參數(shù)資料
型號: MM74C157J
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Quad 2-Input Multiplexers
中文描述: CMOS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16
封裝: CERAMIC, DIP-16
文件頁數(shù): 3/4頁
文件大小: 40K
代理商: MM74C157J
3
www.fairchildsemi.com
M
AC Electrical Characteristics
(Note 2)
T
A
=
25
°
C, C
L
=
50 pF, unless otherwise specified
Symbol
Note 2:
AC Parameters are guaranteed by DC correlated testing.
Note 3:
Capacitance is guaranteed by periodic testing.
Note 4:
C
PD
determines the no load AC power consumption of any CMOS device. For complete explanation, see Family Characteristics, Application Note
AN-90.
Typical Applications
74L Compatibility
Guaranteed Noise Margin
as a Function of V
CC
Parameter
Conditions
Min
Typ
Max
Units
t
pd0
, t
pd1
Propagation Delay from
V
CC
=
5.0V
V
CC
=
10V
V
CC
=
5V
V
CC
=
10V
V
CC
=
5V
V
CC
=
10V
(Note 3)
150
250
ns
Data to Output
Propagation Delay from
Select to Output
70
180
80
110
300
130
ns
ns
ns
t
pd0
, t
pd1
t
pd0
, t
pd1
Propagation Delay from
Enable to Output
Input Capacitance
180
80
5
300
130
ns
ns
pF
C
IN
C
PD
Power Dissipation
Capacitance
(Note 4)
20
pF
相關(guān)PDF資料
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MM74C157N Quad 2-Input Multiplexers
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