74LS156 查看數據表（PDF） - Renesas Electronics
零件编号
产品描述 (功能)
生产厂家
74LS156
Renesas Electronics
74LS156 Datasheet PDF : 7 Pages
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HD74LS156
Switching Characteristics
Item
Propagation
delay time
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Inputs
A, B, 2C,
1G or 2G
A, B, 2C,
1G or 2G
A or B
A or B
1C
1C
Output
Y
Level of
logic
2
Y
2
Y
3
Y
3
Y
3
Y
3
min.
—
—
—
—
—
—
(VCC = 5 V, Ta = 25°C)
typ. max. Unit Condition
25
40
34
51
31
46
ns
CL = 15 pF,
RL = 2 kΩ
34
51
32
48
32
48
Testing Method
Test Circuit
VCC
4.5V
P.G.
Zout = 50Ω
Input
1Y0
1G 1Y1
1C 1Y2
B 1Y3
A 2Y0
2C 2Y1
2G 2Y2
2Y3
Note: CL includes probe and jig capacitance.
RL
Output
CL
Rev.3.00, Jul.13.2005, page 4 of 6
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