MC74AC161NG

更新时间： 2024-11-16 13:11:19

品牌	Logo	应用领域
安森美 - ONSEMI		计数器
页数	文件大小	规格书
12页	312K
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中文翻译

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数据手册
替代型号

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MC74AC161NG 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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MC74AC161NG 替代型号

型号	品牌	替代类型	描述	数据表
MC74AC161DG	ONSEMI	完全替代	同步可预置二进制计数器
MC74AC161DR2G	ONSEMI	完全替代	Synchronous Presettable Binary Counter, SOIC 16 LEAD, 2500-REEL
74AC161SCX	FAIRCHILD	类似代替	Synchronous Up Counter

与MC74AC161NG相关器件

型号	品牌	获取价格	描述	数据表
MC74AC162	MOTOROLA	获取价格	Synchronous Presettable BCD Decade Counter
MC74AC162D	MOTOROLA	获取价格	SYNCHRONOUS PRESETTABLE BCD DECADE COUNTER
MC74AC162DC	MOTOROLA	获取价格	AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16, PLASTIC, SOIC-16
MC74AC162DCR2	MOTOROLA	获取价格	Decade Counter, AC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS
MC74AC162DR2	MOTOROLA	获取价格	AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDSO16, PLASTIC, SOIC-16
MC74AC162N	MOTOROLA	获取价格	SYNCHRONOUS PRESETTABLE BCD DECADE COUNTER
MC74AC162NC	MOTOROLA	获取价格	Decade Counter, AC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS
MC74AC163	ONSEMI	获取价格	SYNCHRONOUS PRESETTABLE BINARY COUNTER
MC74AC163D	ONSEMI	获取价格	Synchronous Presettable Binary Counter
MC74AC163DCR1	MOTOROLA	获取价格	AC SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO16, PLASTIC, SOIC-16