HD74LV2G245A Datasheet, PDF (6/11 Pages) Renesas Technology Corp – Dual Bus Transceivers with 3-state Outputs

HD74LV2G245A
Switching Characteristics
• V_CC = 1.8 ± 0.15 V
Item
Symbol
Propagation t_PLH
delay time t_PHL
Enable time t_ZH
t_ZL
Disable time t_HZ
t_LZ
T_a = 25°C
Min Typ
— 14.0
— 20.5
— 21.5
— 28.0
— 16.5
— 25.0
Max
25.0
34.0
38.0
50.0
26.0
34.0
T_a = –40 to 85°C Unit Test
FROM
Min Max
Conditions (Input)
1.0 27.0 ns C_L = 15 pF A or B
1.0 36.5
C_L = 50 pF
1.0 40.5 ns C_L = 15 pF OE
1.0 53.5
C_L = 50 pF
1.0 28.0 ns C_L = 15 pF OE
1.0 36.0
C_L = 50 pF
TO
(Output)
B or A
A or B
A or B
• V_CC = 2.5 ± 0.2 V
Item
Symbol
Propagation t_PLH
delay time t_PHL
Enable time t_ZH
t_ZL
Disable time t_HZ
t_LZ
T_a = 25°C
Min Typ
— 8.3
— 11.2
— 11.8
— 14.1
— 11.8
— 17.6
Max
13.0
15.9
19.9
22.7
18.1
23.1
T_a = –40 to 85°C Unit Test
FROM
Min Max
Conditions (Input)
1.0 15.0 ns C_L = 15 pF A or B
1.0 18.0
C_L = 50 pF
1.0 22.0 ns C_L = 15 pF OE
1.0 26.0
C_L = 50 pF
1.0 20.0 ns C_L = 15 pF OE
1.0 25.0
C_L = 50 pF
TO
(Output)
B or A
A or B
A or B
• V_CC = 3.3 ± 0.3 V
Item
Symbol
Propagation t_PLH
delay time t_PHL
Enable time t_ZH
t_ZL
Disable time t_HZ
t_LZ
T_a = 25°C
Min Typ
— 5.9
— 7.9
— 8.2
— 9.9
— 9.6
— 13.9
Max
8.4
11.9
13.2
16.7
16.5
19.8
T_a = –40 to 85°C Unit Test
FROM
Min Max
Conditions (Input)
1.0 10.0 ns C_L = 15 pF A or B
1.0 13.5
C_L = 50 pF
1.0 15.5 ns C_L = 15 pF OE
1.0 19.0
C_L = 50 pF
1.0 19.5 ns C_L = 15 pF OE
1.0 22.0
C_L = 50 pF
TO
(Output)
B or A
A or B
A or B
Rev.4.00, Oct.01.2003, page 6 of 10