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WMS256K16-XFLX Datasheet

  • WMS256K16-XFLX

  • SRAM

  • 7頁

  • ETC

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White Electronic Designs
WMS256K16-XXX
256Kx16 MONOLITHIC SRAM, SMD 5962-96902
FEATURES
鈻?/div>
Access Times 17, 20, 25, 35ns
鈻?/div>
MIL-STD-883 Compliant Devices Available
鈻?/div>
Packaging
聲 44 pin Ceramic SOJ (Package 102)
聲 44 lead Ceramic Flatpack (Package 225)
聲 44 lead Formed Ceramic Flatpack
鈻?/div>
Organized as 256Kx16
鈻?/div>
Data Byte Control:
Lower Byte (LB) = I/O
1-8
Upper Byte (UB) = I/O
9-16
鈻?/div>
2V Minimum Data Retention for battery back up
operation (WMS256K16L-XXX Low Power Version
Only)
鈻?/div>
Commercial, Industrial and Military Temperature
Range
鈻?/div>
5 Volt Power Supply
鈻?/div>
Low Power CMOS
鈻?/div>
TTL Compatible Inputs and Outputs
P
IN
C
ONFIGURATION FOR
WMS256K16-XXX
44 CSOJ
44 F
LATPAC
K
TOP VIEW
A0
A1
A2
A3
A4
CS
I/O1
I/O2
I/O3
I/O4
V
CC
GND
I/O5
I/O6
I/O7
I/O8
WE
A5
A6
A7
A8
A9
P
IN
D
ESCRIPTION
A
0-17
LB
A17
A16
A15
OE
UB
LB
I/O16
I/O15
I/O14
I/O13
GND
V
CC
I/O12
I/O11
I/O10
I/O9
NC
A14
A13
A12
A11
A10
Address Inputs
Lower-Byte Control (I/O
1-8
)
Upper-Byte Control (I/O
9-16
)
Data Input/Output
Chip Select
Output Enable
Write Enable
+5.0V Power
Ground
No Connection
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
UB
I/O
1-16
CS
OE
WE
V
CC
GND
NC
October 2002 Rev. 5
1
White Electronic Designs Corporation 聲 (602) 437-1520 聲 www.whiteedc.com

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