TC74HCT688AP(F)

更新时间： 2024-11-23 13:14:27

品牌	Logo	应用领域
东芝 - TOSHIBA		/
页数	文件大小	规格书
7页	289K
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中文翻译

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数据手册

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TC74HCT688AP(F) 数据手册

TC74HCT688AP/AF

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74HCT688AP,TC74HCT688AF

8-Bit Equality Comparator

The TC74HCT688A is a high speed CMOS 8-BIT EQUALITY

COMPARATOR fabricated with silicon gate C²MOS technology.

TC74HCT688AP

It achieves the high speed operation similar to equivalent

LSTTL while maintaining the CMOS low power dissipation.

This device may be used as a level converter for interfacing

TTL or NMOS to High Speed CMOS. The inputs are compatible

with TTL, NMOS and CMOS output voltage leveles.

The TC74HCT688A compares two 8-bit binary or BCD words

applied inputs P ~P , and inputs Q ~Q , and indicates whether

or not they are equal.

A signal active low enable is provided to facilitate cascading of

several packege to compare of words greater than 8 bits.

All inputs are equipped with protection circuits against atatic

discharge or transient excess voltage.

TC74HCT688AF

Features

•

High speed: t = 17 ns (typ.) at V

= 5 V

Low power dissipation: I

= 4 μA (max) at Ta = 25°C

Compatible with TTL outputs: V = 2.0 V (min)

Weight

= 0.8 V (max)

DIP20-P-300-2.54A

SOP20-P-300-1.27A

: 1.30 g (typ.)

: 0.22 g (typ.)

•

Output drive capability: 10 LSTTL loads

Symmetrical output impedance: |I | = I

= 4 mA (min)

∼

−

Balanced propagation delays: t

pHL

pLH

Pin and function compatible with 74LS688

Pin Assignment

2007-10-01

12 3 4 5 6 7

中文翻译

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