HD74LV2G157A Datasheet, PDF (7/11 Pages) Hitachi Semiconductor – 2-channel Multiplexer

HD74LV2G157A
Switching Characteristics
• V_CC = 1.8 ± 0.15 V
Item
Symbol
Propagation t
PLH
delay time t
PHL
T_a = 25°C
Min Typ
— 18.5
— 25.5
— 24.0
— 27.0
— 22.5
— 24.5
Max
31.5
41.0
35.0
44.0
31.5
41.0
T_a = –40 to 85°C Unit Test
FROM
Min Max
Conditions (Input)
1.0 35.0 ns C = 15 pF A or B
L
1.0 44.5
C = 50 pF
L
1.0
39.0 ns C_L = 15 pF SEL
1.0 48.0
C_L = 50 pF
1.0
36.0 ns C_L = 15 pF STB
1.0 45.0
C_L = 50 pF
TO
(Output)
Y
Y
Y
• V_CC = 2.5 ± 0.2 V
Item
Symbol
Propagation t
PLH
delay time t
PHL
T_a = 25°C
Min Typ
— 9.8
— 13.3
— 15.5
— 15.7
— 15.8
— 14.8
Max
15.9
18.8
19.4
22.3
19.8
22.7
T_a = –40 to 85°C Unit Test
FROM
Min Max
Conditions (Input)
1.0 19.5 ns C = 15 pF A or B
L
1.0 22.0
C = 50 pF
L
1.0
23.5 ns C_L = 15 pF SEL
1.0 26.0
C_L = 50 pF
1.0
24.0 ns C_L = 15 pF STB
1.0 26.5
C_L = 50 pF
TO
(Output)
Y
Y
Y
• V_CC = 3.3 ± 0.3 V
Item
Symbol
Propagation t
PLH
delay time t
PHL
T = 25°C
a
Min Typ
— 6.2
— 8.7
— 8.4
— 10.9
— 8.7
— 11.2
Max
9.7
13.2
13.2
16.7
13.6
17.1
T_a = –40 to 85°C Unit Test
FROM
Min Max
Conditions (Input)
1.0 11.5 ns C = 15 pF A or B
L
1.0 15.0
C = 50 pF
L
1.0
15.5 ns C_L = 15 pF SEL
1.0 19.0
C_L = 50 pF
1.0
16.0 ns C_L = 15 pF STB
1.0 19.5
C_L = 50 pF
TO
(Output)
Y
Y
Y
Rev.2, Jul. 2001, page 7 of 11