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HD74LV138A Datasheet, PDF (4/7 Pages) Hitachi Semiconductor – 3-to-8 line Decoder / Demultiplexers | |||
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HD74ALV138A
Switching Characteristics
Item
Propagation
delay time
Ta = 25°C
Ta = â40 to 85°C
Symbol Min Typ Max Min
Max
tPLH/tPHL â 7.5 17.6 1.0
21.0
â 10.0 21.4 1.0
25.0
â 7.5 19.2 1.0
22.0
â 10.0 22.6 1.0
26.0
â 8.0 18.2 1.0
21.0
â 10.5 22.0 1.0
25.0
VCC = 2.5 ± 0.2 V
Test
FROM
TO
Unit Conditions (Input) (Output)
ns CL = 15 pF A, B or C
Y
CL = 50 pF
CL = 15 pF G1
CL = 50 pF
CL = 15 pF G2A or G2B
CL = 50 pF
Item
Propagation
delay time
Ta = 25°C
Ta = â40 to 85°C
Symbol Min Typ Max Min
Max
tPLH/tPHL â
â
5.5 11.4 1.0
7.5 15.8 1.0
13.5
18.0
â 5.5 12.8 1.0
15.0
â 7.5 16.3 1.0
18.5
â 6.0 11.4 1.0
13.5
â 7.5 14.9 1.0
17.0
VCC = 3.3 ± 0.3 V
Test
FROM
TO
Unit Conditions (Input) (Output)
ns CL = 15 pF A, B or C
Y
CL = 50 pF
CL = 15 pF G1
CL = 50 pF
CL = 15 pF G2A or G2B
CL = 50 pF
Item
Propagation
delay time
Ta = 25°C
Ta = â40 to 85°C
Symbol Min Typ Max Min
Max
tPLH/tPHL â 4.0 8.1 1.0
9.5
â 5.5 10.1 1.0
11.5
â 4.0 8.1 1.0
9.5
â 5.5 10.1 1.0
11.5
â 4.5 8.1 1.0
9.5
â 5.5 10.1 1.0
11.5
VCC = 5.0 ± 0.5 V
Test
FROM
TO
Unit Conditions (Input) (Output)
ns CL = 15 pF A, B or C
Y
CL = 50 pF
CL = 15 pF G1
CL = 50 pF
CL = 15 pF G2A or G2B
CL = 50 pF
Operating Characteristics
Item
Power dissipation capacitance
Symbol
CPD
VCC (V)
3.3
5.0
Min
â
â
Ta = 25°C
Typ
Max
16.8
â
19.1
â
CL = 50 pF
Unit Test Conditions
pF
f = 10 MHz
Rev.1.00 Aug. 23.2004, page 4 of 6
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