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| QUAD 3-STATE BUFFERS VCC 14 E 13 D 12 O 11 E 10 D 9 O 8 SN54/74LS125A SN54/74LS126A QUAD 3-STATE BUFFERS LOW POWER SCHOTTKY 1 E 2 D 3 O 4 E 5 D 6 O 7 GND LS125A VCC 14 E 13 D 12 O 11 E 10 D 9 O 8 14 1 J SUFFIX CERAMIC CASE 632-08 14 1 N SUFFIX PLASTIC CASE 646-06 1 E 2 D 3 O 4 E 5 D 6 O 7 GND 14 1 LS126A D SUFFIX SOIC CASE 751A-02 TRUTH TABLES LS125A INPUTS E L L H D L H X OUTPUT L H (Z) INPUTS E H H L D L H X OUTPUT L H (Z) LS126A ORDERING INFORMATION SN54LSXXXJ SN74LSXXXN SN74LSXXXD Ceramic Plastic SOIC L = LOW Voltage Level H = HIGH Voltage Level X = Don't Care (Z) = High Impedance (off) GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL Supply Voltage Operating Ambient Temperature Range Output Current -- High Output Current -- Low Parameter 54 74 54 74 54 74 54 74 Min 4.5 4.75 - 55 0 Typ 5.0 5.0 25 25 Max 5.5 5.25 125 70 - 1.0 - 2.6 12 24 Unit V C mA mA FAST AND LS TTL DATA 5-207 SN54/74LS125A * SN54/74LS126A DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol VIH VIL VIK VOH Parameter Input HIGH Voltage 54 Input LOW Voltage 74 Input Clamp Diode Voltage 54 Output HIGH Voltage 74 54, 74 VOL IOZH IOZL IIH IIL IOS ICC Output LOW Voltage 74 Output Off Current HIGH Output Off Current LOW Input HIGH Current 0.1 Input LOW Current Short Circuit Current (Note 1) LS125A Power Supply Current LS126A 22 - 40 - 0.4 -225 20 mA VCC = MAX 0.35 0.5 20 - 20 20 V A A A mA mA mA 2.4 0.25 0.4 V V 2.4 - 0.65 0.8 - 1.5 V V Min 2.0 0.7 V Typ Max Unit V Test Conditions Guaranteed Input HIGH Voltage for All Inputs Guaranteed Input LOW Voltage for All Inputs VCC = MIN, IIN = - 18 mA VCC = MIN, IOH = MAX, VIN = VIH or VIL per Truth Table IOL = 12 mA IOL = 24 mA VCC = VCC MIN, VIN = VIL or VIH per Truth Table VCC = MAX, VOUT = 2.4 V VCC = MAX, VOUT = 0.4 V VCC = MAX, VIN = 2.7 V VCC = MAX, VIN = 7.0 V VCC = MAX, VIN = 0.4 V VCC = MAX VIN = 0 V, VE = 4.5 V VIN = 0 V, VE = 0 V Note 1: Not more than one output should be shorted at a time, nor for more than 1 second. AC CHARACTERISTICS (TA = 25C) Limits Symbol tPLH tPLH tPHL tPHL tPZH Output Enable Time to HIGH Level Output Enable Time to LOW Level Output Disable Time from HIGH Level Output Disable Time from LOW Level Propagation Delay, Data to Output Parameter LS125A LS126A LS125A LS126A LS125A LS126A LS125A LS126A LS125A LS126A LS125A LS126A Min Typ 9.0 9.0 7.0 8.0 12 16 15 21 Max 15 15 ns 18 18 20 ns 25 25 ns 35 20 ns 25 20 ns 25 FIgures 3, 5 Figures 4, 5 VCC = 5.0 V CL = 5.0 pF RL = 667 Figures 3, 5 Figures 4, 5 VCC = 5.0 V CL = 45 pF RL = 667 Figure 2 Unit Test Conditions tPZL tPHZ tPLZ FAST AND LS TTL DATA 5-208 SN54/74LS125A * SN54/74LS126A V IN 1.3 V 1.3 V V IN 1.3 V 1.3 V t PLH t PHL t PHL t PLH 1.3 V V OUT V OUT 1.3 V 1.3 V 1.3 V Figure 1 Figure 2 V E V E 1.3 V V E 1.3 V V E 1.3 V 1.3 V t PZL t PLZ t PZH t PHZ >V V OUT 1.3 V 1.3 V V OL V OUT OH 1.3 V 1.3 V 0.5 V 0.5 V Figure 3 Figure 4 V CC R L SW1 TO OUTPUT UNDER TEST 5 k C L SW2 Figure 5 SWITCH POSITIONS SYMBOL tPZH tPZL tPLZ tPHZ SW1 Open Closed Closed Closed SW2 Closed Open Closed Closed FAST AND LS TTL DATA 5-209 Case 751A-02 D Suffix 14-Pin Plastic SO-14 -A14 8 NOTES: 1. DIMENSIONS A" AND B" ARE DATUMS AND T" IS A DATUM SURFACE. 2. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 3. 4. CONTROLLING DIMENSION: MILLIMETER. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 5. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 6. 751A 01 IS OBSOLETE, NEW STANDARD 751A 02. -B1 7 P 7 PL 0.25 (0.010) M B M G C SEATING PLANE R X 45 D 14 PL 0.25 (0.010) M K T B S M F J A S DIM A B C D F G J K M P R MILLIMETERS MIN MAX 8.55 3.80 1.35 0.35 0.40 8.75 4.00 1.75 0.49 1.25 INCHES MIN MAX 0.337 0.150 0.054 0.014 0.016 0.344 0.157 0.068 0.019 0.049 1.27 BSC 0.19 0.10 0 5.80 0.25 0.25 0.25 7 6.20 0.50 0.050 BSC 0.008 0.004 0 0.229 0.010 0.009 0.009 7 0.244 0.019 Case 632-08 J Suffix 14-Pin Ceramic Dual In-Line -A14 8 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. -B1 7 3. DIMENSION L TO CENTER OF LEAD WHEN FORMED PARALLEL. 4. DIM F MAY NARROW TO 0.76 (0.030) WHERE THE LEAD ENTERS THE CERAMIC BODY. 5. 632 01 THRU 07 OBSOLETE, NEW STANDARD C L 632 08. -TSEATING PLANE K F D 14 PL 0.25 (0.010) M G T A S N J 14 PL M 0.25 (0.010) M T B S DIM A B C D F G J K L M N MILLIMETERS MIN MAX 19.05 6.23 3.94 0.39 1.40 19.94 7.11 5.08 0.50 1.65 INCHES MIN MAX 0.750 0.245 0.155 0.015 0.055 0.785 0.280 0.200 0.020 0.065 2.54 BSC 0.21 3.18 0.38 4.31 0.100 BSC 0.008 0.125 0.015 0.170 7.62 BSC 0 0.51 15 1.01 0.300 BSC 0 0.020 15 0.040 Case 646-06 N Suffix 14-Pin Plastic NOTES: 1. LEADS WITHIN 0.13 mm (0.005) RADIUS OF TRUE POSITION AT SEATING PLANE AT MAXIMUM MATERIAL CONDITION. 14 8 B 1 7 2. DIMENSION L" TO CENTER OF LEADS WHEN FORMED PARALLEL. 3. DIMENSION B" DOES NOT INCLUDE MOLD FLASH. 4. 5. ROUNDED CORNERS OPTIONAL. 646 05 OBSOLETE, NEW STANDARD 646 06. A F C N H G D SEATING PLANE NOTE 4 L J K M DIM A B C D F G H J K L M N MILLIMETERS MIN MAX 18.16 6.10 3.69 0.38 1.02 19.56 6.60 4.69 0.53 1.78 INCHES MIN MAX 0.715 0.240 0.145 0.015 0.040 0.770 0.260 0.185 0.021 0.070 2.54 BSC 1.32 0.20 2.92 2.41 0.38 3.43 0.100 BSC 0.052 0.008 0.115 0.095 0.015 0.135 7.62 BSC 0 0.39 10 1.01 0.300 BSC 0 0.015 10 0.039 FAST AND LS TTL DATA 5-210 Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different applications. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Literature Distribution Centers: USA: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036. EUROPE: Motorola Ltd.; European Literature Centre; 88 Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England. JAPAN: Nippon Motorola Ltd.; 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong. FAST AND LS TTL DATA 5-211 |
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