MC74AC161(2002) 查看數據表（PDF） - ON Semiconductor

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MC74AC161
(Rev.:2002)

Synchronous Presettable Binary Counter

ON Semiconductor 

MC74AC161, MC74ACT161, MC74AC163, MC74ACT163

PE

′161 ′163

CEP

CET

′163

ONLY

P0

P1

P2

P3

TC

CP

MR ′161

SR ′163

CP ′161

ONLY

Q0

CP

D CP D

CD Q Q

Q0

DETAIL A

DETAIL A

DETAIL A

Q0

Q1

Q2

NOTE:

This diagram is provided only for the understanding of logic

operations and should not be used to estimate propagation

delays.

Figure 4. Logic Diagram

DETAIL A

Q3

MAXIMUM RATINGS*

Symbol

Parameter

Value

Unit

VCC

VIN

VOUT

IIN

IOUT

ICC

Tstg

DC Supply Voltage (Referenced to GND)

DC Input Voltage (Referenced to GND)

DC Output Voltage (Referenced to GND)

DC Input Current, per Pin

DC Output Sink/Source Current, per Pin

DC VCC or GND Current per Output Pin

Storage Temperature

–0.5 to +7.0

V

–0.5 to VCC +0.5

V

–0.5 to VCC +0.5

V

±20

mA

±50

mA

±50

mA

–65 to +150

°C

*Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recom-

mended Operating Conditions.

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