參數(shù)資料
型號(hào): 74LVQ157SJ
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Low Voltage Quad 2-Input Multiplexer
中文描述: LVQ SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: 5.30 MM, EIAJ TYPE2, SOP-16
文件頁數(shù): 1/8頁
文件大?。?/td> 60K
代理商: 74LVQ157SJ
74LVQ157
LOW VOLTAGE QUAD 2 CHANNEL MULTIPLEXER
February 1999
ORDER CODES :
74LVQ157M
74LVQ157T
M
(Micro Package)
I
HIGHSPEED:
t
PD
=5 ns(TYP.)at V
CC
= 3.3V
I
COMPATIBLEWITH TTL OUTPUT
I
LOWPOWERDISSIPATION:
I
CC
=4
μ
A(MAX.) at T
A
=25
o
C
I
LOWNOISE:
V
OLP
=0.2V(TYP.)at V
CC
= 3.3V
I
75
TRANSMISSIONLINEOUTPUT DRIVE
CAPABILITY
I
SYMMETRICALOUTPUTIMPEDANCE:
|I
OH
| = I
OL
= 12mA(MIN)
I
PCIBUSLEVELSGUARANTEED AT24mA
I
BALANCEDPROPAGATIONDELAYS:
t
PLH
t
PHL
I
OPERATINGVOLTAGERANGE:
V
CC
(OPR)= 2Vto 3.6V (1.2VData Retention)
I
PINANDFUNCTION COMPATIBLEWITH
74SERIES157
I
IMPROVEDLATCH-UP IMMUNITY
DESCRIPTION
The LVQ157 is a low voltage CMOS QUAD
2-CHANNEL
MULTIPLEXER
sub-micron silicon gate and double-layer metal
wiring C
2
MOS technology. It is ideal for low
power and low noise 3.3Vapplications.
fabricated
with
T
(TSSOPPackage)
It has better speed performance at 3.3V than 5V
LSTTL family combined with the true CMOS low
power consumption.
It consists of four 2-input digital multiplexers with
common select and strobe inputs. When strobe
input is held high selection of data is inhibit and
all the outputs become low. The
decoding determines whether the A or B inputs
get routed to theircorresponding Youtputs.
All
inputs
and
outputs are
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
SELECT
equipped with
PIN CONNECTION AND IEC LOGIC SYMBOLS
1/8
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