參數(shù)資料
型號(hào)： 74AC157SJX
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Quad 2-Input Multiplexer
中文描述： AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝： 5.30 MM, EIAJ TYPE2, SOP-16
文件頁(yè)數(shù)： 1/9頁(yè)
文件大小： 81K
代理商： 74AC157SJX
74AC157
QUAD 2 CHANNEL MULTIPLEXER
PRELIMINARY DATA
May 1997
I
HIGH SPEED:t
PD
= 4 ns(TYP.) atV
CC
= 5V
I
LOWPOWER DISSIPATION:
I
CC
= 8
μ
A (MAX.) at T
A
=25
o
C
I
HIGH NOISEIMMUNITY:
V
NIH
=V
NIL
=28%V
CC
(MIN.)
I
50
TRANSMISSIONLINEDRIVING
CAPABILITY
I
SYMMETRICALOUTPUT IMPEDANCE:
|I
OH
| = I
OL
=24 mA (MIN)
I
BALANCED PROPAGATIONDELAYS:
t
PLH
t
PHL
I
OPERATINGVOLTAGERANGE:
V
CC
(OPR)= 2Vto6V
I
PIN AND FUNCTION COMPATIBLEWITH
74SERIES157
I
IMPROVEDLATCH-UP IMMUNITY
DESCRIPTION
The AC157 is an high-speed CMOS QUAD
2-CHANNEL
MULTIPLEXER
sub-micron silicon gate and double-layer metal
wiring C
2
MOS technology. It is ideal for low
power
applications
maintaining
operation similar to equivalent Bipolar Schottky
TTL.
fabricated
with
high
speed
It consists of four 2-input digital multiplexers with
common select and strobe inputs. It is a
non-inverting multiplexer. When the STROBE
input is held high selection of data is inhibit and
all the outputs become low. The SELECT
decoding determines whether the A or B inputs
get routed to theircorrespondingY outputs.
All
inputs and
outputs
protectioncircuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
are
equipped with
PINCONNECTION AND IEC LOGICSYMBOLS
M
(Micro Package)
B
(Plastic Package)
ORDER CODES :
74AC157B
74AC157M
1/9
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