HD74LV245A 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HD74LV245A Datasheet PDF : 15 Pages
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HD74LV245A
Switching Characteristics (cont)
• VCC = 5.0 ± 0.5 V
Ta = 25°C
Ta = –40 to 85°C
Item
Propagation
delay time
Enable time
Disable
time
Symbol Min Typ
tPLH
— 4.3
tPHL
— 5.6
tZH
— 5.7
tZL
Max Min
5.5 1.0
7.5 1.0
8.5 1.0
— 7.0 10.6 1.0
tHZ
— 7.8 12.8 1.0
tLZ
— 10.9 14.7 1.0
Max
6.5
8.5
10.0
Unit Test Conditions
ns CL = 15 pF
CL = 50 pF
ns CL = 15 pF
12.0
14.2
CL = 50 pF
ns CL = 15 pF
16.0
CL = 50 pF
FROM
(Input)
A or B
TO
(Output)
B or A
OE
A or B
OE
A or B
8
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