Datasheet > M74HC157F1R

M74HC157F1R

更新时间： 2024-11-26 22:17:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		复用器
页数	文件大小	规格书
11页	253K
描述
HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER

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数据手册

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M74HC157F1R 数据手册

M54HC157/158

M74HC157/158

HC157 QUAD 2 CHANNEL MULTIPLEXER

HC158 QUAD 2 CHANNEL MULTIPLEXER (INV.)

HIGH SPEED

t_PD= 10 ns (TYP.) AT V_CC= 5 V

LOW POWER DISSIPATION

I_CC= 4 µA (MAX.) AT T_A= 25 °C

HIGH NOISE IMMUNITY

V_NIH= V_NIL= 28 % V_CC(MIN.)

OUTPUT DRIVE CAPABILITY

10 LSTTL LOADS

SYMMETRICAL OUTPUT IMPEDANCE

IOH = I_OL= 4 mA (MIN.)

BALANCED PROPAGATION DELAYS

t_PLH= t_PHL

WIDE OPERATING VOLTAGE RANGE

B1R

(Plastic Package)

F1R

(Ceramic Package)

M1R

(Micro Package)

C1R

(Chip Carrier)

V_CC(OPR) = 2 V TO 6 V

PIN AND FUNCTION COMPATIBLE

WITH 54/74LS157/158

ORDER CODES :

M54HCXXXF1R

M74HCXXXB1R

M74HCXXXM1R

M74HCXXXC1R

PIN CONNECTIONS (top view)

HC157

DESCRIPTION

The M54/74HC157 and the M54/74HC158 are high

speed CMOS QUAD 2-CHANNEL MULTI-

PLEXER’s fabricated with silicon gate C²MOS tech-

nology. They achieve the high speed operation

similar to equivalent LSTTL while maintaining the

CMOS low power dissipation.

HC158

These devices consist of four 2-input digital multi-

plexers with common select and strobe inputs. The

HC158 is an inverting multiplexer while the HC157

is a non-inverting multiplexer. When the STROBE

input is held High, selection of data is inhibited and

all the outputs become Low in the M74HC157 and

High in the M74HC158. The SELECT decoding

determines whether the A or B inputs get routed to

their corresponding Y outputs. All inputs are

equipped with protection circuits against static dis-

charge and transient excess voltage.

NC =

No Internal

Connection

February 1993

1/11

12 3 4 5 6 7...11

中文翻译

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与M74HC157F1R相关器件

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M74HC158F1R	STMICROELECTRONICS	获取价格	HCT157 QUAD 2 CHANNEL MULTIPLEXER HCT158 QUAD 2 CHANNEL MULTIPLEXER INV.