ST75C530 - ST75C540
IV - ELECTRICAL SPECIFICATIONS (continued)
IV.6 - AC Electrical Characteristics
SCS
WRITE CYCLE
SA[0..6]
SR/W
1
3
2
5
SDS
WR
RD
SD[0..7]
SINTR
GIO(ou t),
RELAY
GIO(in)
67
IN
8
9
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Description
Address and Control Set-up Time
Address and Control Hold Time
Write Enable Low State
Read Enable Low State
Access Inhibition High State
Data Set-up Time
Data Hold Time
GIO Output, Relay, SINTR Clear Delay
GIO Output Hold Time
Read Data Access Time
Data Valid to Tristate Time
Data Hold Time
GIO Input Delay Time
GIO Input Hold Time
12/84
READ CYCLE
1
4
2
11
10
12
OUT
13
14
Min. Typ. Max. Unit
5
ns
20
ns
45
ns
45
ns
70
ns
10
ns
5
ns
50
ns
0
ns
35
ns
15
ns
5
ns
40
ns
0
ns