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(R)
HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
DESCRIPTION:
IDT54/74FCT861A/B IDT54/74FCT863A/B
Integrated Device Technology, Inc.
FEATURES:
* Equivalent to AMD's Am29861-64 bipolar registers in pinout/function, speed and output drive over full temperature and voltage supply extremes * IDT54/74FCT861A/863A equivalent to FASTTM speed * IDT54/74FCT861B/863B 25% faster than FAST * High-speed symmetrical bidirectional transceivers * IOL = 48mA (commercial) and 32mA (military) * Clamp diodes on all inputs for ringing suppression * CMOS power levels (1mW typ. static) * TTL input and output level compatible * CMOS output level compatible * Substantially lower input current levels than AMD's bipolar Am29800 Series (5A max.) * Product available in Radiation Tolerant and Radiation Enhanced versions * Military product compliant to MIL-STD-883, Class B
The IDT54/74FCT800 series is built using an advanced dual metal CMOS technology. The IDT54/74FCT860 series bus transceivers provide high-performance bus interface buffering for wide data/address paths or buses carrying parity. The IDT54/74FCT863 9-bit transceivers have NAND-ed output enables for maximum control flexibility. All of the IDT54/74FCT800 high-performance interface family are designed for high-capacitance load drive capability while providing low-capacitance bus loading at both inputs and outputs. All inputs have clamp diodes and all outputs are designed for low-capacitance bus loading in the high- impedance state.
FUNCTIONAL BLOCK DIAGRAMS
IDT54/74FCT861 IDT54/74FCT863
T0
T1 - T9
OER
T0
T1 - T8
OER 1
OER 2
R0
R1 - R9
OET
R0
R1 - R8
OET1
OET 2
2610 drw 01
PRODUCT SELECTOR GUIDE
Device 10-Bit Non-inverting IDT54/74FCT861 9-Bit IDT54/74FCT863
The IDT logo is a registered trademark of Integrated Device Technology, Inc. FAST is a trademark of National Semiconductor Co.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
(c)1994 Integrated Device Technology, Inc.
APRIL 1994
DSC-4620/3
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IDT54/74FCT861A/B, IDT54/74FCT863A/B HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN CONFIGURATIONS
IDT54/74FCT861 10-BIT TRANSCEIVERS
INDEX
OER R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 GND
1 2 3 4 5 6 7 8 9 10 11 12 24 23 22
P24-1, D24-1, E24-1 & SO24-2
21 20 19 18 17 16 15 14 13
DIP/CERPACK/SOIC TOP VIEW
IDT54/74FCT863 9-BIT TRANSCEIVERS
INDEX
OER 1 R0 R1 R2 R3 R4 R5 R6 R7 R8 OER 2 GND
1 2 3 4 5 6 7 8 9 10 11 12 24 23 22
P24-1, D24-1, E24-1 & SO24-2
21 20 19 18 17 16 15 14 13
R8 OER 2 GND NC OET1 OET 2 T8
Vcc T0 T1 T2 T3 T4 T5 T6 T7 T8 OET 2 OET 1
R2 R3 R4 NC R5 R6 R7
R1 R0 OER NC Vcc T0 T1
4 5 6 7 8 9 10 3 2 1 28 27 26 25 24 23 22 21 20
R8 R9 GND NC OET T9 T8
LCC TOP VIEW
Vcc T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 OET
R2 R3 R4 NC R5 R6 R7
R1 R0 OER NC Vcc T0 T1
4 5 6 7 8 9 10 3 2 1 28 27 26 25 24 23 22 21 20
L28-1
11 19 12 13 14 15 16 17 18
T2 T3 T4 NC T5 T6 T7
L28-1
11 19 12 13 14 15 16 17 18
T2 T3 T4 NC T5 T6 T7
2610 drw 02
DIP/CERPACK/SOIC TOP VIEW
LCC TOP VIEW
LOGIC SYMBOLS
IDT54/74FCT861 IDT54/74FCT863
OET
OET1 OET2
10 10
R
T R
9
9
T
OER
OER1 OER2
2610 drw 03
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IDT54/74FCT861A/B, IDT54/74FCT863A/B HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN DESCRIPTION
Name I/O I I I/O I/O I I I/O I/O Description When LOW in conjunction with OET HIGH activates the RECEIVE mode. When LOW in conjunction with OER HIGH activates the TRANSMIT mode. 10-bit RECEIVE input/output. 10-bit TRANSMIT input/output. When LOW in conjunction with OETI HIGH activates the RECEIVE mode. When LOW in conjunction with OERI HIGH activates the TRANSMIT mode. 9-bit RECEIVE input/output. 9-bit TRANSMIT input/output.
2610 tbl 01
FUNCTION TABLE(1)
IDT54/74FCT861/863 (Non-inverting)
Inputs Outputs TI N/A N/A L H X RI N/A N/A L H Z TI L H N/A N/A Z Function Transmitting Transmitting Receiving Receiving High Z
IDT54/74FCT861
OER OET
RI TI
OET OER
L L H H H H H L L H
RI L H N/A N/A X
IDT54/74FCT863
OERI OETI
RI TI
NOTE: 2610 tbl 02 1. H = HIGH, L = LOW, Z = High Impedance, X = Don't Care, N/A = Not Applicable.
ABSOLUTE MAXIMUM RATINGS(1)
Symbol Rating VTERM(2) Terminal Voltage with Respect to GND VTERM(3) Terminal Voltage with Respect to GND TA Operating Temperature TBIAS Temperature Under Bias TSTG Storage Temperature PT Power Dissipation DC Output Current IOUT Commercial Military Unit -0.5 to +7.0 -0.5 to +7.0 V
CAPACITANCE (TA = +25C, f = 1.0MHz)
Symbol CIN CI/O Parameter(1) Input Capacitance I/O Capacitance Conditions Typ. VIN = 0V VOUT = 0V 6 8 Max. 10 12 Unit pF pF
-0.5 to VCC
-0.5 to VCC
V
NOTE: 2610 tbl 04 1. This parameter is guaranteed by characterization but not tested.
0 to +70 -55 to +125 -55 to +125 0.5 120
-55 to +125 -65 to +135 -65 to +150 0.5 120
C C C W mA
NOTES: 2610 tbl 03 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. No terminal voltage may exceed VCC by +0.5V unless otherwise noted. 2. Inputs and VCC terminals only. 3. Outputs and I/O terminals only.
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IDT54/74FCT861A/B, IDT54/74FCT863A/B HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: VLC = 0.2V, VHC = VCC - 0.2V Commercial: TA = 0C to +70C, VCC = 5.0V 5%; Military: TA = -55C to +125C, VCC = 5.0V 10%
Symbol VIH VIL IIH IIL IIH IIL VIK IOS VOH Parameter Input HIGH Level Input LOW Level Input HIGH Current (Except I/O pins) Input LOW Current (Except I/O pins) Input HIGH Current (I/O pins Only) Input LOW Current (I/O pins Only) Clamp Diode Voltage Short Circuit Current Output HIGH Voltage VCC = Min., IN = -18mA VCC = Max.(3), VO = GND VCC = 3V, VIN = VLC or VHC, IOH = -32A VCC = Min. VIN = VIH or VIL VOL Output LOW Voltage IOH = -300A IOH = -15mA MIL. IOH = -24mA COM'L. VCC = 3V, VIN = VLC or VHC, IOL = 300A VCC = Min. VIN = VIH or VIL IOL = 300A IOL = 32mA MIL.(5) IOL = 48mA COM'L.(5) VCC = Max. Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max. VI = VCC VI = 2.7V VI = 0.5V VI = GND VI = VCC VI = 2.7V VI = 0.5V VI = GND Min. 2.0 -- -- -- -- -- -- -- -- -- -- -75 VHC VHC 2.4 2.4 -- -- -- -- Typ.(2) -- -- -- -- -- -- -- -- -- -- -0.7 -120 VCC VCC 4.3 4.3 GND GND 0.3 0.3 Max. -- 0.8 5 5(4) -5(4) -5 15 15(4) -15(4) -15 -1.2 -- -- -- -- -- VLC VLC(4) 0.5 0.5 V V mA V A Unit V V A
NOTES: 2610 tbl 05 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5.0V, +25C ambient and maximum loading. 3. Not more than one output should be shorted at one time. Duration of the short circuit test should not exceed one second. 4. This parameter is guaranteed but not tested. 5. These are maximum IOL values per output, for 10 outputs turned on simultaneously. Total maximum IOL (all outputs) is 480mA for commercial and 320mA for military. Derate IOL for number of outputs exceeding 10 turned on simultaneously.
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IDT54/74FCT861A/B, IDT54/74FCT863A/B HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
VLC = 0.2V; VHC = VCC - 0.2V
Symbol ICC ICC ICCD Parameter Quiescent Power Supply Current Quiescent Power Supply Current TTL Inputs HIGH Dynamic Power Supply Current(4) Test Conditions(1) VCC = Max. VIN VHC ; VIN VLC VCC = Max. VIN = 3.4V(3) VCC = Max., Outputs Open OER or OET = GND One Input Toggling 50% Duty Cycle VCC = Max., Outputs Open fi = 10MHz 50% Duty Cycle VIN VHC VIN VLC Min. -- -- -- Typ.(2) 0.2 0.5 0.15 Max. 1.5 2.0 0.25 Unit mA mA mA/ MHz
IC
Total Power Supply Current(6)
VIN VHC VIN VLC (FCT) VIN = 3.4V VIN = GND VIN VHC VIN VLC (FCT) VIN = 3.4V VIN = GND
--
1.7
4.0
mA
OER or OET = GND One Bit Toggling
VCC = Max., Outputs Open fi = 2.5MHz 50% Duty Cycle
-- --
2.0 3.2
5.0 6.5(5)
OER or OET = GND
Eight Bits Toggling
--
5.2
14.5(5)
2610 tbl 06
NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5.0V, +25C ambient. 3. Per TTL driven input (VIN = 3.4V); all other inputs at VCC or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply calculations. 5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT +IINPUTS + IDYNAMIC IC = ICC + ICCDHNT + ICCD(fCP/2 + fiNi) ICC = Quiescent Current ICC = Power Supply Current for a TTL High Input (VIN = 3.4V) DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fi = Input Frequency Ni = Number of Inputs at fi All currents are in milliamps and all frequencies are in megahertz.
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IDT54/74FCT861A/B, IDT54/74FCT863A/B HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
FCT861A/863A Com'l. Symbol tPLH tPHL Parameter Propagation Delay RI to TI or TI to RI FCT861/863 Output Enable Time OET to TI or OER to RI Condition(1) CL = 50pF RL = 500 CL = 300pF(3) RL = 500 CL = 50pF RL = 500 CL = 300pF(3) RL = 500 CL = 5pF(3) RL = 500 CL = 50pF RL = 500 Min.(2) 1.5 1.5 1.5 1.5 1.5 1.5 Max. 8.0 15.0 12.0 20.0 9.0 10.0 Mil. Min.(2) 1.5 1.5 1.5 1.5 1.5 1.5 Max. 9.0 17.0 13.0 22.0 9.0 10.0 Min.(2) 1.5 1.5 1.5 1.5 1.5 1.5 FCT861B/863B Com'l. Max. 6.0 13.0 8.0 15.0 6.0 7.0 Mil. Min. (2) 1.5 1.5 1.5 1.5 1.5 1.5 Max. 6.5 14.0 9.0 16.0 7.0 8.0
2610 tbl 07
Unit ns
tPZH tPZL
ns
tPHZ tPLZ
Output Disable Time OET to TI or OER to RI
ns
NOTES: 1. See test circuits and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This condition guaranteed but not tested.
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IDT54/74FCT861A/B, IDT54/74FCT863A/B HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS TEST CIRCUITS FOR ALL OUTPUTS
VCC 500 VIN Pulse Generator RT D.U.T. 50pF CL 500 VOUT 7.0V
SWITCH POSITION
Test Open Drain Disable Low Enable Low All Other Tests Switch Closed Open
DEFINITIONS: 2610 tbl 08 CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
SET-UP, HOLD AND RELEASE TIMES
3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V
PULSE WIDTH
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL PRESET CLEAR CLOCK ENABLE ETC. tSU
tH
LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
1.5V
tREM
1.5V
tSU
tH
PROPAGATION DELAY
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL 3V 1.5V 0V VOH 1.5V VOL 3V 1.5V 0V
ENABLE AND DISABLE TIMES
ENABLE CONTROL INPUT tPZL OUTPUT NORMALLY LOW OUTPUT NORMALLY HIGH SWITCH CLOSED tPZH SWITCH OPEN 1.5V 0V 3.5V 1.5V tPHZ 0.3V VOH 0V
2610 drw 03
DISABLE 3V 1.5V 0V 3.5V 0.3V VOL
tPLZ
NOTES: 1. Diagram shown for input Control Enable-LOW and input Control DisableHIGH 2. Pulse Generator for All Pulses: Rate 1.0MHz; tF 2.5ns; tR 2.5ns
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IDT54/74FCT861A/B, IDT54/74FCT863A/B HIGH-PERFORMANCE CMOS BUS TRANSCEIVERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
ORDERING INFORMATION
IDT
XX
FCT XXXX Device Type
X Package
X Process
Temperature Range
Blank B P D E L SO 861A 863A 861B 863B 54 74
Commercial MIL-STD-883, Class B Plastic DIP CERDIP CERPACK Leadless Chip Carrier Small Outline IC 10-Bit Non-inverting Transceiver 9-Bit Non-inverting Transceiver
-55C to +125C 0 to +70C
2610 drw 04
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