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PDF WS512K16-xxx Data sheet ( Hoja de datos )
| Número de pieza | WS512K16-xxx | |
| Descripción | 512Kx16 SRAM MODULE | |
| Fabricantes | White Electronic Designs Corporation | |
| Logotipo |  |
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White Electronic Designs
WS512K16-XXX
ADVANCED*
512Kx16 SRAM MODULE
FEATURES
Access Times 17, 20, 25, 35ns
MIL-STD-883 Compliant Devices Available
Packaging
• 44 pin Ceramic SOJ (Package 102)
• 44 lead Ceramic Flatpack (Package 209)
Organized as two banks of 256Kx16
Data Byte Control:
Lower Byte (LB#) = I/O1-8
Upper Byte (UB#) = I/O9-16
Data I/O Compatible with 3.3V devices
2V Minimum Data Retention for battery back up
operation
Commercial, Industrial and Military Temperature
Range
5 Volt Power Supply (3.3V parts also available)
Low Power CMOS
TTL Compatible Inputs and Outputs
* This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
PIN CONFIGURATION FOR WS512K16-XXX
44 CSOJ
44 FLATPACK
Top View
A0
A1
A2
A3
A4
CS1#
I/O1
I/O2
I/O3
I/O4
VCC
GND
I/O5
I/O6
I/O7
I/O8
WE#
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44 A17
43 A16
42 A15
41 OE#
40 UB#
39 LB#
38 I/O16
37 I/O15
36 I/O14
35 I/O13
34 GND
33 VCC
32 I/O12
31 I/O11
30 I/O10
29 I/O9
28 CS2#
27 A14
26 A13
25 A12
24 A11
23 A10
www.DataSheet4U.com
Pin Description
A0-17
LB#
UB#
I/O1-16
Address Inputs
Lower-Byte Control (I/O1-8)
Upper-Byte Control (I/O9-16)
Data Input/Output
CS1-2#
OE#
WE#
Chip Select
Output Enable
Write Enable
VCC +5.0V Power
GND Ground
NC No Connection
Block Diagram
A0 - 1 7
W E#
O E#
U B#
L B#
256K x 16
256K x 16
C S1#
C S2#
I/O1-16
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
1 page  
White Electronic Designs
WS512K16-XXX
ADVANCED
PACKAGE 102: 44 LEAD, CERAMIC SOJ
11.3 (0.446)
± 0.2 (0.009)
28.70 (1.13) ± 0.25 (0.010)
0.2 (0.008)
± 0.05 (0.002)
3.96 (0.156) MAX
0.89 (0.035)
Radius TYP
9.55 (0.376)
± 0.25 (0.010)
PIN 1 IDENTIFIER
1.27 (0.050) TYP
26.7 (1.050) TYP
1.27 (0.050)
± 0.25 (0.010)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
PACKAGE 209: 44 LEAD, CERAMIC FLAT PACK
12.95 (0.510)
± 0.13 (0.005)
28.45 (1.120)
± 0.26 (0.010)
3.18 (0.125)
MAX
PIN 1
IDENTIFIER
9.90 (0.390)
± 0.13 (0.005)
0.43 (0.017)
± 0.05 (0.002)
26.67 (1.050) TYP
0.13 (0.005)
± 0.05 (0.002)
1.27 (0.050) TYP
10.16 (0.400)
± 0.51 (0.020)
ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
April 1998
5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet WS512K16-xxx.PDF ] | |
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