HD74LV540A Datasheet, PDF (6/14 Pages) Hitachi Semiconductor – Octal Inverted Buffers / Drivers with 3-state Outputs

HD74LV540A
Switching Characteristics
• V_CC = 2.5 ± 0.2 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min Typ Max Min
Propa- t_PLH
gation
delay
t_PHL
time
— 7.4 12.0 1.0
— 9.3 16.8 1.0
Enable t_ZH
time
t_ZL
— 8.2 17.4 1.0
— 9.6 22.2 1.0
Disable t_HZ
time
t_LZ
— 7.5 16.0 1.0
— 10.5 22.3 1.0
Max
14.5
18.5
21.0
25.5
19.0
25.5
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
• V_CC = 3.3 ± 0.3 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min Typ Max Min
Propa- t_PLH
gation
delay
t_PHL
time
— 5.3 7.0 1.0
— 6.8 10.5 1.0
Enable t_ZH
time
t_ZL
— 6.2 10.5 1.0
— 7.6 14.0 1.0
Disable t_HZ
time
t_LZ
— 5.3 10.5 1.0
— 7.0 15.4 1.0
Max
8.5
12.0
12.5
16.0
12.5
17.5
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
TO
(Output)
Y
OE
Y
OE
Y
FROM
(Input)
A
TO
(Output)
Y
OE
Y
OE
Y
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