IDT71028S15Y IDT [Integrated Device Technology], IDT71028S15Y Datasheet - Page 4

• Manufacturer Part Number: IDT71028S15Y
• Description: CMOS STATIC RAM 1 MEG (256K x 4-BIT)
• Manufacturer: IDT [Integrated Device Technology]

IDT71028
CMOS STATIC RAM 1 MEG (256K x 4-BIT)
AC ELECTRICAL CHARACTERISTICS
NOTES:
1. 12ns specification is preliminary.
2. This parameter guaranteed with the AC load (Figure 2) by device characterization, but is not production tested.
Symbol
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
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
Parameter
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
(V
CC
= 5.0V
9.4
71028S12
Min. Max.
10%, Commercial Temperature Range)
12
12
10
10
10
—
—
—
—
3
0
0
0
4
0
0
0
7
0
3
0
12
12
12
—
—
—
—
—
—
—
—
—
—
—
—
—
—
6
6
5
5
(1)
Min. Max. Min.
71028S15
15
—
—
—
—
15
12
12
12
3
0
0
0
4
0
0
0
8
0
3
0
15
15
15
—
—
—
—
—
—
—
—
—
—
—
—
—
—
7
7
5
5
COMMERCIAL TEMPERATURE RANGE
71028S17
17
17
13
13
13
—
—
—
—
3
0
0
0
4
0
0
0
9
0
3
0
Max. Min. Max.
—
17
17
—
—
—
—
17
—
—
—
—
—
—
—
—
—
8
8
6
7
71028S20
20
—
—
—
—
20
15
15
15
3
0
0
0
4
0
0
0
9
0
4
0
20
20
20
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
8
7
8
2966 tbl 08
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4