HD74LV244A 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics
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HD74LV244A Datasheet PDF : 15 Pages
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HD74LV244A
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 Max Min
tPLH
— 3.9 5.5 1.0
tPHL
— 4.9 7.5 1.0
tZH
— 4.5 7.3 1.0
tZL
— 5.6 9.3 1.0
tHZ
— 6.5 12.2 1.0
tLZ
— 8.8 14.2 1.0
Max
6.5
8.5
8.5
10.5
13.5
15.5
Unit Test Conditions
ns
CL = 15 pF
CL = 50 pF
ns
CL = 15 pF
CL = 50 pF
ns
CL = 15 pF
CL = 50 pF
FROM
(Input)
A
OE
OE
TO
(Output)
Y
Y
Y
8
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