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MC74F657A Datasheet(PDF) 3 Page - Motorola, Inc

Part No. MC74F657A
Description  OCTAL BIDIRECTIONAL TRANSCEIVER WITH 8-BIT PARITY GENERATOR CHECKER (3-STATE OUTPUTS)
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC74F657A Datasheet(HTML) 3 Page - Motorola, Inc

   
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FAST AND LS TTL DATA
MC74F657A, B
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage
VIK
Input Clamp Diode Voltage
–0.73
–1.2
V
VCC = MIN, IIN = –18 mA
Output HIGH Voltage
All Outputs
74
2.4
V
IOH = –3.0 mA
VCC = 4.5 V
VOH
Output HIGH Voltage
2.7
3.4
V
IOH = –3.0 mA
VCC = 4.75 V
Output HIGH Voltage
B0–B7
PARITY,
ERROR
74
2.0
V
IOH = –15 mA
VCC = 4.5 V
Output LOW Voltage
A0–A7
74
0.35
0.5
V
IOL = 24 mA
VCC = MIN
VOL
Output LOW Voltage
B0–B7
PARITY,
ERROR
74
0.4
0.55
V
IOL = 64 mA
VCC = MIN
IIH
Input HIGH Current
T/R, OE, EVEN/ODD
100
µA
VCC = 0 V, VIN = 7.0 V
IIH
Input HIGH Current
A0–A7
2.0
mA
VCC = 5.5 V, VIN = 5.5 V
IIH
Input HIGH Current
B0–B7, PARITY
1.0
mA
VCC = 5.5 V, VIN = 5.5 V
IH
EVEN/ODD
20
µA
VCC = MAX, VIN = 2.7 V
T/R, OE
40
µA
VCC = MAX, VIN = 2.7 V
IIL
Input LOW Current
EVEN/ODD
–20
µA
VCC = MAX, VIN = 0.5 V
IIL
Input LOW Current
T/R, OE
–40
µA
VCC = MAX, VIN = 0.5 V
IIH
+IOZH
Off-State Current HIGH
Level Voltage Applied
A0–A7
B0–B7
PARITY
70
µA
VCC = MAX, VOUT = 2.7 V
IIL
+IOZL
Off-State Current LOW
Level Voltage Applied
B0–B7
PARITY
–70
µA
VCC = MAX, VOUT = 0.5 V
IOZH
Off-State Output Current,
High-Level Voltage Applied
50
µA
VCC = MAX, VOUT = 2.7 V
IOZL
Off-State Output Current,
Low-Level Voltage Applied
ERROR
–50
µA
VCC = MAX, VOUT = 0.5 V
IOS
Output Short Circuit
Current (Note 2)
An Outputs
–60
–150
mA
VCC = MAX, VOUT = 0 V
IOS
Output Short Circuit
Current (Note 2)
PARITY, Bn Outputs,
ERROR
–100
–225
mA
VCC = MAX, VOUT = 0 V
ICC
Total Supply Current
ICCH
90
135
mA
VCC = MAX
ICC
Total Supply Current
ICCL
106
150
mA
VCC = MAX
CC
ICCZ
98
145
CC = MAX
NOTES:
1. For conditions shown as MIN or MAX, use appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at one time, nor for more than 1 second.


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