IN74LS161N 查看數據表（PDF） - IK Semicon Co., Ltd

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IN74LS161N

Synchronous 4 Bit Counters; Binary, Direct Reset

IK Semicon Co., Ltd 

IN74LS161

DC ELECTRICAL CHARACTERISTICS over full operating conditions

Guaranteed Limit

Symbol

Parameter

Test Conditions

Min

Max Unit

VIK Input Clamp Voltage

VCC = min, IIN = -18 mA

-1.5

V

VOH High Level Output Voltage VCC = min, IOH = -0.4 mA

2.7

V

VOL Low Level Output Voltage VCC = min, IOL = 4 mA

0.4

V

VCC = min, IOL = 8 mA

0.5

IIH

High Level Input Current

VCC = max Data or enable P

20

μA

VIN =2.7 V Load, clock or

40

enable T

Reset

20

VCC = max Data or enable P

0.1 mA

VIN =7.0 V Load, clock or

0.2

enable T

Reset

0.1

IIL

Low Level Input Current

VCC = max Data or enable P

-0.4 mA

VIN =0.4 V Load, clock or

-0.8

enable T

Reset

IO

Output Short Circuit Current VCC = max, VO = 0 V

(Note 1)

-20

-100 mA

ICC Supply All outputs high VCC = max (Note 2)

Current

31

mA

All outputs low VCC = max (Note 3)

32

Note 1: Not more than one output should be shorted at a time, and the duration should not exceed one second.

Note 2: ICCH is measured with the load high, then again with the load low, with all other inputs high and all outputs

open.

Note 3: ICCL is measured with the clock input high, then again with the clock input low, with all other inputs low and all

outputs open.

Rev. 00

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