Datasheet > TC74VHC157FT_12

TC74VHC157FT_12

更新时间： 2024-11-16 12:23:03

品牌	Logo	应用领域
东芝 - TOSHIBA		复用器
页数	文件大小	规格书
10页	226K
描述
Quad 2-Channel Multiplexer

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数据手册

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TC74VHC157FT_12 数据手册

TC74VHC157F/FT/FK

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74VHC157F,TC74VHC157FT,TC74VHC157FK

Quad 2-Channel Multiplexer

TC74VHC157F

TC74VHC157FT

TC74VHC157FK

The TC74VHC157 is an advanced high speed CMOS QUAD

2-CHANNEL MULTIPLEXER fabricated with silicon gate

C²MOS technology.

It achieves the high speed operation similar to equivalent

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

It consists of four 2-input digital multiplexers with common

select and strobe inputs.

When the STROBE input is held “H” level, selection of data is

inhibited and all the outputs become “L” level.

The SELECT decoding determines whether the A or B inputs

get routed to their corresponding Y outputs.

An Input protection circuit ensures that 0 to 5.5 V can be

applied to the input pins without regard to the supply voltage.

This device can be used to interface 5 V to 3 V systems and on

two supply systems such as battery back up. This circuit prevents

device destruction due to mismatched supply and input voltages.

Features

•

High speed: t = 4.1 ns (typ.) at V

= 5 V

Low power dissipation: I

= 4 μA (max) at Ta = 25°C

High noise immunity: V

= V

= 28% V

(min)

NIH

NIL

Power down protection is provided on all inputs.

∼

−

Balanced propagation delays: t

pHL

pLH

Wide operating voltage range: V

= 2 V to 5.5 V

CC (opr)

Low noise: V

= 0.8 V (max)

OLP

Pin and function compatible with 74ALS157

Weight

SOP16-P-300-1.27A

: 0.18 g (typ.)

TSSOP16-P-0044-0.65A : 0.06 g (typ.)

VSSOP16-P-0030-0.50

: 0.02 g (typ.)

2012-02-29

12 3 4 5 6 7...10

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