HD74AC670 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – 4 x 4 Register File with 3-State Output

HD74AC670
AC Characteristics: HD74AC670
Item
Symbol V_CC (V)*¹
Propagation delay
t _PLH
3.3
W_E to O_n
5.0
Propagation delay
t _PHL
3.3
W_E to O_n
5.0
Propagation delay
t _PLH
3.3
R_A1 or R_A0 to O_n
5.0
Propagation delay
t _PHL
3.3
R_A1 or R_A0 to O_n
5.0
Propagation delay
t _PLH
3.3
Data to O_n
5.0
Propagation delay
t _PHL
3.3
Data to O_n
5.0
Enable time
t _PZH
3.3
OE to O_n
5.0
Enable time
t _PZL
3.3
OE to O_n
5.0
Disable time
t _PHZ
3.3
OE to O_n
5.0
Disable time
t _PLZ
3.3
OE to O_n
5.0
Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V
Voltage Range 5.0 is 5.0 V ± 0.5 V
Ta = +25°C
C_L = 50 pF
Min Typ
1.0
14.0
1.0
11.5
1.0
13.5
1.0
11.0
1.0
12.5
1.0
10.0
1.0
12.5
1.0
10.0
1.0
12.0
1.0
9.5
1.0
11.5
1.0
9.0
1.0
8.0
1.0
6.0
1.0
10.0
1.0
7.5
1.0
8.0
1.0
6.0
1.0
9.0
1.0
7.0
Max
17.5
13.5
17.0
13.0
15.5
12.0
15.5
12.0
15.0
11.5
14.5
11.0
11.0
8.5
12.0
9.5
11.0
8.5
11.5
9.0
Ta = –40°C to +85°C
C_L = 50 pF
Min
Max
Unit
1.0
19.0
ns
1.0
15.0
1.0
18.5
ns
1.0
14.5
1.0
17.0
ns
1.0
13.0
1.0
17.0
ns
1.0
13.0
1.0
16.5
ns
1.0
12.5
1.0
16.0
ns
1.0
12.0
1.0
12.0
ns
1.0
9.5
1.0
13.0
ns
1.0
10.5
1.0
12.0
ns
1.0
9.5
1.0
12.5
ns
1.0
10.0
5