MC74F256D 查看數據表（PDF） - Motorola => Freescale

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MC74F256D

DUAL 4-BIT ADDRESSABLE LATCH

Motorola => Freescale 

MC54/74F256

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions

VIH

VIL

VIK

VOH

VOL

IIH

IIL

IOS

Input HIGH Voltage

Input LOW Voltage

Input Clamp Diode Voltage

Output HIGH Voltage

Output LOW Voltage

Input HIGH Current

Input LOW Current

Output Short Circuit Current

(Note 2)

2.0

54, 74 2.5

74

2.7

– 60

0.8

–1.2

0.5

20

0.1

– 0.6

–150

V

Guaranteed Input HIGH Voltage

V

Guaranteed Input LOW Voltage

V

VCC = MIN, IIN = –18 mA

V

IOL = –1.0 mA VCC = MIN

V

IOL = –1.0 mA VCC = 4.75 V

V

IOL = 20 mA

VCC = MIN

µA

VCC = MAX, VIN = 2.7 V

mA

VCC = MAX, VIN = 7.0 V

mA

VCC = MAX, VIN = 0.5 V

mA

VCC = MAX, VOUT = 0 V

Power Supply Current

ICC

Total, Output HIGH

Total, Output LOW

42

mA

VCC = MAX

60

mA

VCC = MAX

NOTES:

1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.

2. Not more than one output should be shorted at a time, nor for more than 1 second.

FAST AND LS TTL DATA

4-125

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