MM74HC393

更新时间： 2024-10-27 23:02:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		计数器
页数	文件大小	规格书
7页	87K
描述
Dual 4-Bit Binary Counter

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数据手册

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MM74HC393 数据手册

September 1983

Revised February 1999

MM74HC393

Dual 4-Bit Binary Counter

as well as pin equivalent to the 74LS393. All inputs are pro-

tected from damage due to static discharge by diodes to

General Description

The MM74HC393 counter circuits contain independent rip-

ple carry counters and utilize advanced silicon-gate CMOS

technology. The MM74HC393 contains two 4-bit ripple

carry binary counters, which can be cascaded to create a

single divide-by-256 counter.

_CCand ground.

Features

■ Typical operating frequency: 50 MHz

Each of the two 4-bit counters is incremented on the HIGH-

to-LOW transition (negative edge) of the clock input, and

each has an independent clear input. When clear is set

HIGH all four bits of each counter are set to a low level.

This enables count truncation and allows the implementa-

tion of divide-by-N counter configurations.

■ Typical propagation delay: 13 ns (Ck to Q_A)

■ Wide operating supply voltage range: 2–6V

■ Low input current: <1 µA

■ Low quiescent supply current: 80 µA maximum (74HC

Series)

■ Fanout of 10 LS-TTL loads

Each of the counters outputs can drive 10 low power

Schottky TTL equivalent loads. This counter is functionally

Ordering Code:

Order Number Package Number

Package Description

MM74HC393M

MM74HC393SJ

MM74HC393MTC

MM74HC393N

M14A

M14D

MTC14

N14A

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow

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

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

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

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

Connection Diagram

Pin Assignments for DIP, SOIC, SOP and TSSOP

Top View

DS005337.prf

www.fairchildsemi.com

12 3 4 5 6 7

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与MM74HC393相关器件

型号	品牌	获取价格	描述	数据表
MM74HC393_05	FAIRCHILD	获取价格	Dual 4-Bit Binary Counter
MM74HC393CW	FAIRCHILD	获取价格	Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 4-Bit, Up Direction,
MM74HC393J	NSC	获取价格	IC HC/UH SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, CDIP14, DIP-14, Cou
MM74HC393J/A+	ETC	获取价格	Asynchronous Up Counter
MM74HC393M	FAIRCHILD	获取价格	Dual 4-Bit Binary Counter
MM74HC393M/A+	ETC	获取价格	Asynchronous Up Counter
MM74HC393M_NL	FAIRCHILD	获取价格	Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 4-Bit, Up Direction,
MM74HC393MTC	FAIRCHILD	获取价格	Dual 4-Bit Binary Counter
MM74HC393MTCX	FAIRCHILD	获取价格	Binary Counter, HC/UH Series, Asynchronous, Negative Edge Triggered, 4-Bit, Up Direction,
MM74HC393MX	TI	获取价格	HC/UH SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO14, PLASTIC, SO-14