89C1632
16 Megabit (512K x 32-Bit) MCM SRAM
TABLE 8. 89C1632 FUNCTIONAL DESCRIPTION
CS
WE
OE
MODE
I/O PIN
SUPPLY CURRENT
1
1
H
L
L
L
X
X
Not Select
Output Disable
Read
High-Z
High-Z
DOUT
ISB, ISB1
ICC
H
H
L
H
L
ICC
1
X
Write
D
ICC
IN
1. X = don’t care.
TABLE 9. 89C1632 WRITE CYCLE
(VCC = 5.0 + 10%, TA = -55 TO +125 °C, UNLESS OTHERWISE NOTED)
PARAMETER
SYMBOL
SUBGROUPS
MIN
TYP
MAX
UNITS
Write Cycle Time
tWC
9, 10, 11
ns
-20
-25
-30
20
25
30
--
--
--
Chip Select to End of Write
tCW
9, 10, 11
9, 10, 11
9, 10, 11
9, 10, 11
9, 10, 11
9, 10, 11
ns
ns
ns
ns
ns
ns
-20
-25
-30
14
17
20
--
--
--
Address Set-up Time
tAS
-20
-25
-30
0
0
0
--
--
--
Address Valid to End of Write
tAW
tWP
tWP1
tWR
-20
-25
-30
14
17
20
--
--
--
Write Pulse Width (OE High)
-20
-25
-30
14
17
20
--
--
--
Write Pulse Width (OE Low)
-20
-25
-30
20
25
30
--
--
--
Write Recovery Time
-20
-25
-30
0
0
0
--
--
--
01.10.05 Rev 3
All data sheets are subject to change without notice
5
©2005 Maxwell Technologies.
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
