HD74LV244A Datasheet, PDF (8/15 Pages) Hitachi Semiconductor – Octal Buffers / Drivers with 3-state Outputs

HD74LV244A
Switching Characteristics (cont)
• V_CC = 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
t_PLH
— 3.9 5.5 1.0
t_PHL
— 4.9 7.5 1.0
t_ZH
— 4.5 7.3 1.0
t_ZL
— 5.6 9.3 1.0
t_HZ
— 6.5 12.2 1.0
t_LZ
— 8.8 14.2 1.0
Max
6.5
8.5
8.5
10.5
13.5
15.5
Unit Test Conditions
ns
C_L = 15 pF
C_L = 50 pF
ns
C_L = 15 pF
C_L = 50 pF
ns
C_L = 15 pF
C_L = 50 pF
FROM
(Input)
A
OE
OE
TO
(Output)
Y
Y
Y
8