參數(shù)資料
型號(hào): M74HC158
廠商: 意法半導(dǎo)體
英文描述: Quad 2 Channel Multiplexer(四2通道多路復(fù)用器(反相))
中文描述: 四2通道多路復(fù)用(四2通道多路復(fù)用器(反相))
文件頁(yè)數(shù): 6/11頁(yè)
文件大小: 251K
代理商: M74HC158
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
30
-55 to 125
o
C
54HC
Min.
Max.
75
15
13
100
20
17
125
25
21
115
23
20
10
Max.
95
19
16
125
25
21
155
31
26
145
29
25
10
Max.
110
22
19
150
30
26
190
38
32
175
35
30
10
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
ns
8
7
t
PLH
t
PHL
Propagation
Delay Time
(A, B - Y)
30
12
10
50
16
14
36
12
10
5
47
ns
t
PLH
t
PHL
Propagation
Delay Time
(SELECT - Y)
ns
t
PLH
t
PHL
Propagation
Delay Time
(STROBE - Y)
ns
C
IN
Input Capacitance
Power Dissipation
Capacitance
pF
C
PD
(*)
pF
(*) C
PD
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by thefollowingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
/4(per channel)
SWITCHING CHARACTERISTICS TEST CIR-
CUIT
TEST CIRCUIT I
CC
(Opr.)
INPUT WAVEFORMIS THE SAME AS THATIN CASE OF
SWITCHINGCHARACTERISTICSTEST.
M54/M74HC157 M54/M74HC158
6/11
相關(guān)PDF資料
PDF描述
M74HC157 Quad 2 Channel Multiplexer(四2通道多路復(fù)用器)
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