74AC161FCX

更新时间： 2024-11-11 13:04:51

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		计数器
页数	文件大小	规格书
11页	118K
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数据手册

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74AC161FCX 数据手册

November 1988

Revised November 1999

74AC161 • 74ACT161

Synchronous Presettable Binary Counter

General Description

Features

The AC/ACT161 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

AC/ACT161 has an asynchronous Master Reset input that

overrides all other inputs and forces the outputs LOW.

■ I_CCreduced by 50%

■ Synchronous counting and loading

■ High-speed synchronous expansion

■ Typical count rate of 125 MHz

■ Outputs source/sink 24 mA

■ ACT161 has TTL-compatible inputs

Ordering Code:

Order Number Package Number

Package Description

74AC161SC

74AC161SJ

M16A

M16D

MTC16

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body

16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

74AC161MTC

74AC161PC

74ACT161SC

74ACT161SJ

74ACT161MTC

74ACT161PC

16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body

16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

M16A

M16D

MTC16

N16E

16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Connection Diagram

Logic Symbols

IEEE/IEC

Pin Descriptions

Pin Names

Description

CEP

CET

Count Enable Parallel Input

Count Enable Trickle Input

Clock Pulse Input

Asynchronous Master Reset Input

P₀–P₃

Parallel Data Inputs

Parallel Enable Inputs

Flip-Flop Outputs

Q₀–Q₃

Terminal Count Output

FACT is a trademark of Fairchild Semiconductor Corporation.

DS009931

www.fairchildsemi.com

12 3 4 5 6 7...11

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74AC161FCXR	FAIRCHILD	获取价格	Binary Counter, AC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS
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74AC161MTR	ETC	获取价格	Synchronous Up Counter
74AC161PC	FAIRCHILD	获取价格	Synchronous Presettable Binary Counter
74AC161PC_NL	FAIRCHILD	获取价格	Binary Counter, AC Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS
74AC161PCQR	ETC	获取价格	Synchronous Up Counter
74AC161SC	FAIRCHILD	获取价格	Synchronous Presettable Binary Counter