參數(shù)資料
型號(hào): M54HC157C1R
廠商: 意法半導(dǎo)體
英文描述: HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER
中文描述: HC158四2通道多刑事調(diào)查。 HC157四2通道多
文件頁數(shù): 1/11頁
文件大?。?/td> 251K
代理商: M54HC157C1R
M54HC157/158
M74HC157/158
February 1993
HC158 QUAD 2 CHANNEL MULTIPLEXER (INV.)
LOWPOWER DISSIPATION
I
CC
= 4
μ
A (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.)
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
WIDE OPERATING VOLTAGE RANGE
V
CC
(OPR) = 2 V TO6 V
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS157/158
HC157 QUAD 2 CHANNEL MULTIPLEXER
B1R
(Plastic Package)
ORDER CODES :
M54HCXXXF1R
M74HCXXXB1R
M74HCXXXM1R
M74HCXXXC1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTIONS
(top view)
NC =
No Internal
Connection
HC158
HC157
DESCRIPTION
The M54/74HC157 and the M54/74HC158 are high
speed
CMOS
QUAD
PLEXER’s fabricated with silicongate C
2
MOStech-
nology. They achieve the high speed operation
similar to equivalent LSTTL while maintaining the
CMOS low powerdissipation.
These devices consist of four 2-input digital multi-
plexerswith 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 M74HC157and
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.
.
HIGH SPEED
t
PD
= 10 ns(TYP.) AT V
CC
= 5 V
2-CHANNEL
MULTI-
1/11
相關(guān)PDF資料
PDF描述
M54HC157F1R HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER
M54HC157M1R HC158 QUAD 2 CHANNEL MULTIPLEXER INV. HC157 QUAD 2 CHANNEL MULTIPLEXER
M54HC161F1R SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
M54HC161 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
M54HC161M1R SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
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