
IDT71V124SA, 3.3V CMOS Static RAM
1 Meg (128K x 8-Bit) Center Power & Ground Pinout
Commercial and Industrial Temperature Ranges
AC Electrical Characteristics
(V DD = Min. to Max., Commercial and Industrial Temperature Ranges)
71V124SA10
71V124SA12
71V124SA15
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
READ CYCLE
t OLZ
t RC
t AA
t ACS
t CLZ (1)
t CHZ (1)
t OE
(1)
t OHZ (1)
t OH
Read Cycle Time
Address Access Time
Chip Select Access Time
Chip Select to Output in Low-Z
Chip Deselect to Output in High-Z
Output Enable to Output Valid
Output Enable to Output in Low-Z
Output Disable to Output in High-Z
Output Hold from Address Change
10
____
____
4
0
____
0
0
4
____
10
10
____
5
5
____
5
____
12
____
____
4
0
____
0
0
4
____
12
12
____
6
6
____
5
____
15
____
____
4
0
____
0
0
4
____
15
15
____
7
7
____
5
____
ns
ns
ns
ns
ns
ns
ns
ns
ns
WRITE CYCLE
t WC
t AW
t CW
t AS
t WP
t WR
t DW
t DH
t OW (2)
t WHZ (2)
Write Cycle Time
Address Valid to End-of-Write
Chip Select to End-of-Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
Data Valid to End-of-Write
Data Hold Time
Output Active from End-of-Write
Write Enable to Output in High-Z
10
7
7
0
7
0
5
0
3
0
____
____
____
____
____
____
____
____
____
5
12
8
8
0
8
0
6
0
3
0
____
____
____
____
____
____
____
____
____
5
15
10
10
0
10
0
7
0
3
0
____
____
____
____
____
____
____
____
____
5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES:
1. This parameter guaranteed with the AC load (Figure 2) by device characterization, but is not production tested.
4
3873 tbl 08