M74HC157TTR 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
M74HC157TTR Datasheet PDF : 9 Pages
| |||
M74HC157
DC SPECIFICATIONS
Test Condition
Symbol
Parameter
VCC
(V)
VIH High Level Input
2.0
Voltage
4.5
6.0
VIL Low Level Input
2.0
Voltage
4.5
6.0
VOH High Level Output 2.0
Voltage
4.5
6.0
4.5
6.0
VOL Low Level Output 2.0
Voltage
4.5
6.0
4.5
6.0
II
Input Leakage
Current
6.0
ICC
Quiescent Supply
Current
6.0
* : Applicable only to DIR, G, G input
IO=-20 µA
IO=-20 µA
IO=-20 µA
IO=-4.0 mA
IO=-5.2 mA
IO=20 µA
IO=20 µA
IO=20 µA
IO=4.0 mA
IO=5.2 mA
VI = VCC or GND
VI = VCC or GND
Value
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
1.5
1.5
1.5
3.15
3.15
3.15
V
4.2
4.2
4.2
0.5
0.5
0.5
1.35
1.35
1.35 V
1.8
1.8
1.8
1.9 2.0
1.9
1.9
4.4 4.5
4.4
4.4
5.9 6.0
5.9
5.9
V
4.18 4.31
4.13
4.10
5.68 5.8
5.63
5.60
0.0 0.1
0.1
0.1
0.0 0.1
0.1
0.1
0.0 0.1
0.1
0.1 V
0.17 0.26
0.33
0.40
0.18 0.26
0.33
0.40
± 0.1
±1
± 1 µA
4
40
80 µA
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition
Symbol
Parameter
VCC
(V)
tTLH tTHL Output Transition 2.0
Time
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (A, B - Y)
4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (SELECT - Y) 4.5
6.0
tPLH tPHL Propagation Delay 2.0
Time (STROBE -Y) 4.5
6.0
Value
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
30 75
95
110
8 15
19
22 ns
7 13
16
19
30 100
125
150
12 20
25
30 ns
10 17
21
26
50 125
155
190
16 25
31
38 ns
14 21
26
32
36 115
145
175
12 23
29
35 ns
10 20
25
30
4/9
Share Link: 