IDT1028S12Y Integrated Device Technology, Inc., IDT1028S12Y Datasheet - Page 4

• Manufacturer Part Number: IDT1028S12Y
• Description: 256K X 4 Static RAM Corner PWR & GND Pinout
• Manufacturer: Integrated Device Technology, Inc.

(V
NOTE:
1. This parameter guaranteed with the AC load (Figure 2) by device characterization, but is not production tested.
Read Cycle
t
t
t
t
t
t
t
t
t
t
t
Write Cycle
t
t
t
t
t
t
t
t
t
t
RC
AA
ACS
CLZ
CHZ
OE
OLZ
OHZ
OH
PU
PD
WC
AW
CW
AS
WP
WR
DW
DH
OW
WHZ
IDT71028 CMOS Static RAM
1 Meg (256K x 4-Bit)
CC
Symbol
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
= 5.0V ± 10%, Commercial and Industrial Temperature Ranges)
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
Chip Select to Power-Up Time
Chip Deselect to Power-Down Time
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
Parameter
Min.
—
—
—
—
12
12
10
10
10
4
3
0
0
0
0
0
0
7
0
3
0
71028S12
6.42
4
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
12
12
—
12
6
6
5
5
Min.
15
—
—
—
—
15
12
12
12
4
3
0
0
0
0
0
0
8
0
3
0
Commercial and Industrial Temperature Ranges
71028S15
Max.
—
15
15
—
—
—
—
15
—
—
—
—
—
—
—
—
—
7
7
5
5
Min.
20
—
—
—
—
20
15
15
15
3
0
0
0
4
0
0
0
9
0
4
0
71028S20
Max.
—
20
20
—
—
—
—
20
—
—
—
—
—
—
—
—
—
8
8
7
8
2966 tbl 09
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns