WS1M8-XCX Datasheet, PDF (1/5 Pages) White Electronic Designs Corporation – 2x512Kx8 DUALITHICTM SRAM

White Electronic Designs
2x512Kx8 DUALITHIC™ SRAM
FEATURES
Access Times 70, 85, 100ns
Evolutionary, Corner Power/Ground Pinout
Packaging:
• 32 pin, Hermetic Ceramic DIP (Package 300)
Organized as two banks of 512Kx8
Commercial, Industrial and Military Temperature
Ranges
5 Volt Power Supply
Low Power CMOS
TTL Compatible Inputs and Outputs
Output Enable Internally tied to GND.
* ^{This product is under development, is not qualified or characterized and is subject to}
change without notice.
WS1M8-XCX
PRELIMINARY*
Pin Configuration FOR WS1M8-XCX
32 DIP
Top View
A18 1
A16 2
A14 3
A12 4
A7 5
A6 6
A5 7
A4 8
A3 9
A2 10
A1 11
A0 12
I/O0 13
I/O1 14
I/O2 15
GND 16
32 VCC
31 A15
30 A17
29 WE#
28 A13
27 A8
26 A9
25 A11
24 CS2#
23 A10
22 CS1#
21 I/O7
20 I/O6
19 I/O5
18 I/O4
17 I/O3
Pin Description
A0-18 Address Inputs
I/O0-7 Data Input/Output
CS1-2# Chip Selects
WE#
Write Enable
VCC
+5.0V Power Supply
GND
Ground
Block Diagram
I/O0-7
WE#
A0-18
512K x 8
512K x 8
C S 1 # ⁽¹⁾
(1)
CS2#
NOTE:
1. CS1# and CS2# are used to select the lower and upper 512Kx8 of
the device. CS1# and CS2# must not be enabled at the same time.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
November 2002
Rev. 2
1
White Electronic Designs Corporation • [phone] • www.wedc.com