HD74LV138A Datasheet, PDF (7/13 Pages) Hitachi Semiconductor – 3-to-8 line Decoder / Demultiplexers

HD74LV138A
Switching Characteristics
• V_CC = 2.5 ± 0.2 V
Ta = 25°C
Ta = –40 to 85°C
Item
Propa-
gation
delay
time
Symbol Min Typ Max Min
t_PLH
— 11.7 17.6 1.0
t_PHL
— 14.9 21.4 1.0
— 12.3 19.2 1.0
— 15.7 22.6 1.0
— 11.4 18.2 1.0
Max
21.0
25.0
22.0
26.0
21.0
— 14.8 22.0 1.0 25.0
Unit Test Conditions
ns C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
FROM
(Input)
A, B,
C
TO
(Output)
Y
G1
G2A,
G2B
• V_CC = 3.3 ± 0.3 V
Ta = 25°C
Ta = –40 to 85°C
Item
Propa-
gation
delay
time
Symbol Min Typ
t _PLH
— 8.1
t _PHL
Max Min
11.4 1.0
— 10.3 15.8 1.0
— 8.4 12.8 1.0
— 10.6 16.3 1.0
— 7.8 11.4 1.0
Max
13.5
18.0
15.0
18.5
13.5
— 10.0 14.9 1.0 17.0
Unit Test Conditions
ns C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
FROM
(Input)
A, B,
C
TO
(Output)
Y
G1
G2A,
G2B
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