32C408BRPFS20 データシートの表示（PDF） - MAXWELL TECHNOLOGIES
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32C408BRPFS20 Datasheet PDF : 11 Pages
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4 Megabit (512K x 8-Bit) SRAM
32C408B
CS
H
L
L
L
1. X = don’t care.
TABLE 5. 32408B FUNCTIONAL DESCRIPTION 1
WE
OE
MODE
I/O PIN
X
X
Not Select
High-Z
H
H
Output Disable
High-Z
H
L
Read
DOUT
L
X
Write
DIN
SUPPLY CURRENT
ISB, ISB1
ICC
ICC
ICC
TABLE 6. 32C408B AC CHARACTERISTICS FOR WRITE CYCLE
(VCC=5V +/- 10%, TA = -55 TO +1‘25C, UNLESS OTERWISE SPECIFIED
PARAMETER
SYMBOL
SUBGROUPS
MIN
TYP
MAX
UNIT
Write Cycle Time
-20
-25
-30
tWC
9, 10, 11
ns
20
--
--
25
--
--
30
--
--
Chip Select to End of Write
-20
-25
-30
tCW
9, 10, 11
ns
14
--
--
15
--
--
17
--
--
Address Setup Time
-20
-25
-30
tAS
9, 10, 11
ns
0
--
--
0
--
--
0
--
--
Address Valid to End of Write
-20
-25
-30
tAW
9, 10, 11
ns
14
--
--
15
--
--
17
--
--
Write Pulse Width (OE High)
-20
-25
-30
tWP
9, 10, 11
ns
14
--
--
15
--
--
17
--
--
Write Recovery Time
-20
-25
-30
tWR
9, 10, 11
ns
0
--
--
0
--
--
0
--
--
Write to Output in High-Z
-20
-25
-30
tWHZ
9, 10, 11
ns
--
5
--
--
5
--
--
6
--
05.02.02 Rev 7
All data sheets are subject to change without notice 4
©2002 Maxwell Technologies
All rights reserved.
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