HD74LV245A Datasheet, PDF (8/15 Pages) Hitachi Semiconductor – Octal Bus Transceivers with 3-state Outputs

HD74LV245A
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
t_PLH
— 4.3
t_PHL
— 5.6
t_ZH
— 5.7
t_ZL
Max Min
5.5 1.0
7.5 1.0
8.5 1.0
— 7.0 10.6 1.0
t_HZ
— 7.8 12.8 1.0
t_LZ
— 10.9 14.7 1.0
Max
6.5
8.5
10.0
Unit Test Conditions
ns C_L = 15 pF
C_L = 50 pF
ns C_L = 15 pF
12.0
14.2
C_L = 50 pF
ns C_L = 15 pF
16.0
C_L = 50 pF
FROM
(Input)
A or B
TO
(Output)
B or A
OE
A or B
OE
A or B
8