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| MC74HC390A Dual 4-Stage Binary Ripple Counter with / 2 and / 5 Sections High-Performance Silicon-Gate CMOS The MC74HC390A is identical in pinout to the LS390. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. This device consists of two independent 4-bit counters, each composed of a divide-by-two and a divide-by-five section. The divide-by-two and divide-by-five counters have separate clock inputs, and can be cascaded to implement various combinations of / 2 and/or / 5 up to a / 100 counter. Flip-flops internal to the counters are triggered by high-to-low transitions of the clock input. A separate, asynchronous reset is provided for each 4-bit counter. State changes of the Q outputs do not occur simultaneously because of internal ripple delays. Therefore, decoded output signals are subject to decoding spikes and should not be used as clocks or strobes except when gated with the Clock of the HC390A. * Output Drive Capability: 10 LSTTL Loads * Outputs Directly Interface to CMOS, NMOS, and TTL * Operating Voltage Range: 2 to 6 V * Low Input Current: 1 A * High Noise Immunity Characteristic of CMOS Devices * In Compliance with the Requirements Defined by JEDEC Standard No 7A * Chip Complexity: 244 FETs or 61 Equivalent Gates LOGIC DIAGRAM /2 COUNTER 3, 13 http://onsemi.com MARKING DIAGRAMS 16 16 1 PDIP-16 N SUFFIX CASE 648 MC74HC390AN AWLYYWW 1 16 16 1 SO-16 D SUFFIX CASE 751B 1 HC390A AWLYWW 16 TSSOP-16 DT SUFFIX CASE 948F 1 A WL YY WW = Assembly Location = Wafer Lot = Year = Work Week HC 390A ALYW 16 1 PIN ASSIGNMENT CLOCK Aa RESET a 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC CLOCK Ab RESET b QAb CLOCK Bb QBb QCb QDb CLOCK A 1, 15 QA QAa CLOCK Ba QBa 5, 11 CLOCK B 4, 12 /5 COUNTER QB 6, 10 QC 7, 9 QD PIN 16 = VCC PIN 8 = GND QCa QDa GND RESET 2, 14 FUNCTION TABLE Clock A X B X X X Reset H L L Action Reset / 2 and / 5 Increment /2 Increment /5 ORDERING INFORMATION Device MC74HC390AN MC74HC390AD MC74HC390ADR2 MC74HC390ADT MC74HC390ADTR2 Package PDIP-16 SOIC-16 SOIC-16 TSSOP-16 TSSOP-16 Shipping 2000 / Box 48 / Rail 2500 / Reel 96 / Rail 2500 / Reel (c) Semiconductor Components Industries, LLC, 1999 1 March, 2000 - Rev. 2 Publication Order Number: MC74HC390A/D MC74HC390A IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I I II I I IIIIIIIIIIIIIIIIIIIIII I II I I I II I I I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I III I I I I I II I I II I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I III I II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII III I I I I I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I III I I I I I II I I I II I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I IIII I I I I IIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII II I IIII I II I I IIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIII II I II I IIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIII II I IIII II I I IIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIII I II II I I I IIIIIIIIIIIIIIIIIIIIIII IIII IIIIIIIIIIIIIIIIIIIIIII II I II I I III II I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIII II I III II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII IIIII I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII I IIII IIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIII II IIIIIIIIIIIIIIIIIIIIIII MAXIMUM RATINGS* SymbolIIIIIIIIIIIIII Parameter VCC Vin DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) Value Unit - 0.5 to + 7.0III V V V - 0.5 to VCC + 0.5 - 0.5 to VCC + 0.5 20 25 50 750 500 450 Vout Iin DC Output Voltage (Referenced to GND) DC Input Current, per Pin mA mA mA Iout DC Output Current, per Pin ICC PD DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP SOIC Package TSSOP Package mW Tstg TL Storage Temperature - 65 to + 150 260 This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit. For proper operation, Vin and Vout should be constrained to the range GND (Vin or Vout) VCC. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused outputs must be left open. v v _C _C Lead Temperature, 1 mm from Case for 10 Seconds Plastic DIP, SOIC or TSSOP Package *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. Derating -- Plastic DIP: - 10 mW/_C from 65_ to 125_C SOIC Package: - 7 mW/_C from 65_ to 125_C TSSOP Package: - 6.1 mW/_C from 65_ to 125_C For high frequency or heavy load considerations, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). RECOMMENDED OPERATING CONDITIONS Symbol VCC Parameter Min 2.0 0 Max 6.0 Unit V V DC Supply Voltage (Referenced to GND) Vin, Vout TA DC Input Voltage, Output Voltage (Referenced to GND) Operating Temperature, All Package Types Input Rise and Fall Time (Figure 1) VCC - 55 0 0 0 0 + 125 1000 600 500 400 _C ns tr, tf VCC = 2.0 V VCC = 3.0 V VCC = 4.5 V VCC = 6.0 V DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) Guaranteed Limit Symbol VIH Parameter Test Conditions VCC V 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 4.5 6.0 3.0 4.5 6.0 - 55 to 25_C 1.5 2.1 3.15 4.2 0.5 0.9 1.35 1.8 1.9 4.4 5.9 v 85_C v 125_C 1.5 2.1 3.15 4.2 0.5 0.9 1.35 1.8 1.9 4.4 5.9 1.5 2.1 3.15 4.2 0.5 0.9 1.35 1.8 1.9 4.4 5.9 Unit V Minimum High-Level Input Voltage Vout = 0.1 V or VCC - 0.1 V |Iout| 20 A v v VIL Maximum Low-Level Input Voltage Vout = 0.1 V or VCC - 0.1 V |Iout| 20 A V VOH Minimum High-Level Output Voltage Vin = VIH or VIL |Iout| 20 A v V Vin = VIH or VIL |Iout| |Iout| |Iout| v 2.4 mA v 4.0 mA v 5.2 mA 2.48 3.98 5.48 2.34 3.84 5.34 2.20 3.70 5.20 http://onsemi.com 2 II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I I III I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII III I I I I I II I I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I III I I I I I II I I I II I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII III I I I I I II I I II II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I III II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I II II I I I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII III I I I I I II I I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I III I I I I I II I I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I III I I I I I II I I I II I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I II I I II I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII I II I I I II I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIII II II I I I I III I I I I I II I I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I I I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I III I I I I I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I I NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). * Used to determine the no-load dynamic power consumption: P D = C PD V CC 2 f + I CC V CC . For load considerations, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tf = tf = 6 ns) DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) Symbol Symbol Cin Maximum Input Capacitance -- 10 10 10 pF 1. For propagation delays with loads other than 50 pF, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). 2. Information on typical parametric values can be found in Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). tPLH, tPHL tPLH, tPHL tPLH, tPHL tPLH, tPHL tPLH, tPHL tTLH, tTHL VOL tPHL fmax CPD ICC Iin Maximum Quiescent Supply Current (per Package) Maximum Input Leakage Current Maximum Low-Level Output Voltage Power Dissipation Capacitance (Per Counter)* Maximum Output Transition Time, Any Output (Figures 1 and 3) Maximum Propagation Delay, Reset to any Q (Figures 2 and 3) Maximum Propagation Delay, Clock B to QD (Figures 1 and 3) Maximum Propagation Delay, Clock B to QC (Figures 1 and 3) Maximum Propagation Delay, Clock B to QB (Figures 1 and 3) Maximum Propagation Delay, Clock A to QC (QA connected to Clock B) (Figures 1 and 3) Maximum Propagation Delay, Clock A to QA (Figures 1 and 3) Maximum Clock Frequency (50% Duty Cycle) (Figures 1 and 3) Parameter Parameter Vin = VIH or VIL |Iout| 20 A Vin = VCC or GND Iout = 0 A Vin = VCC or GND Vin = VIH or VIL |Iout| |Iout| |Iout| v Test Conditions http://onsemi.com MC74HC390A 3 v 2.4 mA v 4.0 mA v 5.2 mA VCC V VCC V 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 6.0 6.0 3.0 4.5 6.0 2.0 4.5 6.0 - 55 to 25_C - 55 to 25_C Typical @ 25C, VCC = 5.0 V 0.1 0.26 0.26 0.26 200 160 58 49 0.1 0.1 0.1 75 27 15 13 80 48 30 26 70 40 26 22 90 56 37 31 70 40 26 22 70 40 24 20 10 15 30 50 4 Guaranteed Limit Guaranteed Limit 1.0 0.33 0.33 0.33 105 70 46 39 250 185 65 62 0.1 0.1 0.1 9 14 28 45 95 32 19 15 95 65 38 33 80 45 33 28 80 45 33 28 80 45 30 26 40 1.0 0.40 0.40 0.40 180 100 56 48 300 210 70 68 160 110 36 22 19 110 75 44 39 0.1 0.1 0.1 8 12 25 40 90 50 39 33 90 50 39 33 90 50 36 31 v 85_C v 125_C v 85_C v 125_C 35 MHz Unit Unit A A pF ns ns ns ns ns ns ns V MC74HC390A TIMING REQUIREMENTS (Input tr = tf = 6 ns) IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I I I II I I II II II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII III I I I I I II I I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII III I I I I I II I I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I II I I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I III I I I I I II I I I II I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I II I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII I II I I I Guaranteed Limit Symbol trec Parameter VCC V 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 - 55 to 25_C 25 15 10 9 75 27 15 13 75 27 20 18 v 85_C v 125_C 30 20 13 11 95 32 19 15 95 32 24 22 40 30 15 13 Unit ns Minimum Recovery Time, Reset Inactive to Clock A or Clock B (Figure 2) tw Minimum Pulse Width, Clock A, Clock B (Figure 1) 110 36 22 19 110 36 30 28 ns tw Minimum Pulse Width, Reset (Figure 2) ns tf, tf Maximum Input Rise and Fall Times (Figure 1) 1000 800 500 400 1000 800 500 400 1000 800 500 400 ns NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). PIN DESCRIPTIONS INPUTS Clock A (Pins 1, 15) and Clock B (Pins 4, 15) OUTPUTS QA (Pins 3, 13) Clock A is the clock input to the / 2 counter; Clock B is the clock input to the / 5 counter. The internal flip-flops are toggled by high-to-low transitions of the clock input. CONTROL INPUTS Reset (Pins 2, 14) Output of the / 2 counter. QB, QC, QD (Pins 5, 6, 7, 9, 10, 11) Asynchronous reset. A high at the Reset input prevents counting, resets the internal flip-flops, and forces QA through QD low. Outputs of the / 5 counter. QD is the most significant bit. QA is the least significant bit when the counter is connected for BCD output as in Figure 4. QB is the least significant bit when the counter is operating in the bi-quinary mode as in Figure 5. SWITCHING WAVEFORMS tf 90% 50% 10% 10% tw 1/fmax tPLH Q 90% 50% 10% tTLH tTHL CLOCK tPHL Q tr VCC GND RESET tPHL 50% trec 50% GND 50% GND tw VCC CLOCK VCC Figure 1. Figure 2. http://onsemi.com 4 MC74HC390A TEST CIRCUIT TEST POINT OUTPUT DEVICE UNDER TEST CL* *Includes all probe and jig capacitance Figure 3. EXPANDED LOGIC DIAGRAM CLOCK A 1, 15 C D R Q Q 3, 13 QA CLOCK B 4, 12 D C R Q Q 5, 11 QB C D R Q Q 6, 10 Q C C D RESET 2, 14 R Q 7, 9 Q D TIMING DIAGRAM (QA Connected to Clock B) 0 CLOCK A RESET QA QB QC QD 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 http://onsemi.com 5 MC74HC390A APPLICATIONS INFORMATION Each half of the MC54/74HC390A has independent / 2 and / 5 sections (except for the Reset function). The / 2 and / 5 counters can be connected to give BCD or bi-quinary (2-5) count sequences. If Output QA is connected to the Clock B input (Figure 4), a decade divider with BCD output is obtained. The function table for the BCD count sequence is given in Table 1. To obtain a bi-quinary count sequence, the input signals connected to the Clock B input, and output QD is connected to the Clock A input (Figure 5). QA provides a 50% duty cycle output. The bi-quinary count sequence function table is given in Table 2. Table 1. BCD Count Sequence* Output Count 0 1 2 3 4 5 6 7 8 9 QD L L L L L L L L H H QC L L L L H H H H L L QB L L H H L L H H L L QA L H L H L H L H L H Table 2. Bi-Quinary Count Sequence** Output Count 0 1 2 3 4 8 9 10 11 12 QA L L L L L H H H H H QD L L L L H L L L L H QC L L H H L L L H H L QB L H L H L L H L H L *QA connected to Clock B input. ** QD connected to Clock A input. CONNECTION DIAGRAMS CLOCK A 1, 15 /2 COUNTER 3, 13 QA 1, 15 CLOCK A /2 COUNTER 3, 13 QA CLOCK B 4, 12 5, 11 /5 COUNTER 6, 10 7, 9 QB QC QD CLOCK B 4, 12 /5 COUNTER 5, 11 6, 10 7, 9 QB QC QD RESET 2, 14 2, 14 RESET Figure 4. BCD Count Figure 5. Bi-Quinary Count http://onsemi.com 6 MC74HC390A PACKAGE DIMENSIONS PDIP-16 N SUFFIX CASE 648-08 ISSUE R -A - 16 9 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. DIM A B C D F G H J K L M S INCHES MILLIMETERS MIN MAX MIN MAX 0.740 0.770 18.80 19.55 0.250 0.270 6.85 6.35 0.145 0.175 4.44 3.69 0.015 0.021 0.53 0.39 0.040 0.070 1.77 1.02 0.100 BSC 2.54 BSC 0.050 BSC 1.27 BSC 0.008 0.015 0.38 0.21 0.110 0.130 3.30 2.80 0.295 0.305 7.74 7.50 10 0 10 0 0.020 0.040 1.01 0.51 B 1 8 F S C L -T - H G D 16 PL 0.25 (0.010) M SEATING PLANE K J TA M M SOIC-16 D SUFFIX CASE 751B-05 ISSUE J -A - 16 9 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. DIM A B C D F G J K M P R MILLIMETERS MIN MAX 9.80 10.00 4.00 3.80 1.75 1.35 0.49 0.35 1.25 0.40 1.27 BSC 0.25 0.19 0.25 0.10 7 0 6.20 5.80 0.50 0.25 INCHES MIN MAX 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 BSC 0.008 0.009 0.004 0.009 0 7 0.229 0.244 0.010 0.019 -B - 1 8 P 8 PL 0.25 (0.010) M B M G F K C -T SEATING - PLANE R X 45 M D 16 PL 0.25 (0.010) M J T B S A S http://onsemi.com 7 MC74HC390A PACKAGE DIMENSIONS TSSOP-16 DT SUFFIX CASE 948F-01 ISSUE O 16X K REF 0.10 (0.004) 0.15 (0.006) T U S M TU S V S K K1 16 2X L/2 9 J1 B -U- L PIN 1 IDENT. 1 8 SECTION N-N J N 0.25 (0.010) 0.15 (0.006) T U S A -V- N F DETAIL E NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH. PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.25 (0.010) PER SIDE. 5. DIMENSION K DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE K DIMENSION AT MAXIMUM MATERIAL CONDITION. 6. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 7. DIMENSION A AND B ARE TO BE DETERMINED AT DATUM PLANE -W-. MILLIMETERS MIN MAX 4.90 5.10 4.30 4.50 --- 1.20 0.05 0.15 0.50 0.75 0.65 BSC 0.18 0.28 0.09 0.20 0.09 0.16 0.19 0.30 0.19 0.25 6.40 BSC 0_ 8_ INCHES MIN MAX 0.193 0.200 0.169 0.177 --- 0.047 0.002 0.006 0.020 0.030 0.026 BSC 0.007 0.011 0.004 0.008 0.004 0.006 0.007 0.012 0.007 0.010 0.252 BSC 0_ 8_ C 0.10 (0.004) -T- SEATING PLANE H D G DETAIL E ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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