MC74AC161DC

更新时间： 2024-10-01 13:11:19

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		计数器逻辑集成电路光电二极管
页数	文件大小	规格书
12页	312K
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数据手册

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MC74AC161DC 数据手册

SYNCHRONOUS

PRESETTABLE

BINARY COUNTER

The MC74AC161/74ACT161 and MC74AC163/74ACT163 are high-speed

synchronous modulo-16 binary counters. They are synchronously presettable for

application in programmable dividers and have two types of Count Enable inputs

plus a Terminal Count output for versatility in forming synchronous multistage

counters. The MC74AC161/74ACT161 has an asynchronous Master Reset input

that overrides all other inputs and forces the outputs LOW. The MC74AC163/

74ACT163 has a Synchronous Reset input that overrides counting and parallel

loading and allows the outputs to be simultaneously reset on the rising edge of

the clock.

N SUFFIX

CASE 648-08

PLASTIC

• Synchronous Counting and Loading

• High-Speed Synchronous Expansion

• Typical Count Rate of 125 MHz

• Outputs Source/Sink 24 mA

• ′ACT161 and ′ACT163 Have TTL Compatible Inputs

CET

D SUFFIX

CASE 751B-05

PLASTIC

LOGIC SYMBOL

CEP GND

PE P

CEP

2 3

PIN NAMES

CET

*R Q

CEP

CET

Count Enable Parallel Input

Count Enable Trickle Input

Clock Pulse Input

Q Q Q

1 2 3

(′161) Asynchronous Master Reset Input

(′163) Synchronous Reset Input

Parallel Data Inputs

P –P

*MR for

*SR for

′

161

Parallel Enable Input

′

163

Q –Q

Flip-Flop Outputs

Terminal Count Output

FACT DATA

5-1

12 3 4 5 6 7...12

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与MC74AC161DC相关器件

型号	品牌	获取价格	描述	数据表
MC74AC161DCR1	MOTOROLA	获取价格	Binary Counter, AC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS
MC74AC161DG	ROCHESTER	获取价格	Binary Counter, AC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS
MC74AC161DG	ONSEMI	获取价格	同步可预置二进制计数器
MC74AC161DR	MOTOROLA	获取价格	暂无描述
MC74AC161DR2	ONSEMI	获取价格	Synchronous Presettable Binary Counter
MC74AC161DR2	MOTOROLA	获取价格	AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, PLASTIC, SOIC-16
MC74AC161DR2G	ONSEMI	获取价格	Synchronous Presettable Binary Counter, SOIC 16 LEAD, 2500-REEL
MC74AC161DR2R2	MOTOROLA	获取价格	AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16
MC74AC161DT	ONSEMI	获取价格	IC AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, PLASTIC, TSSOP-
MC74AC161DTR2	ONSEMI	获取价格	IC AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, PLASTIC, TSSOP-