WS1M8-100CC WEDC [White Electronic Designs Corporation], WS1M8-100CC Datasheet

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WS1M8-100CC

Manufacturer Part Number
WS1M8-100CC
Description
2x512Kx8 DUALITHICTM SRAM
Manufacturer
WEDC [White Electronic Designs Corporation]
Datasheet
2x512Kx8 DUALITHIC™ SRAM
FEATURES
* This product is under development, is not qualifi ed or characterized and is subject to
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
November 2002
Rev. 2
change without notice.
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.
Pin Confi guration FOR WS1M8-XCX
White Electronic Designs
GND
I/O0
I/O1
I/O2
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Top View
32 DIP
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
A15
A17
WE#
A13
A8
A9
A11
CS2#
A10
CS1#
I/O7
I/O6
I/O5
I/O4
I/O3
CC
1
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 Corporation • (602) 437-1520 • www.wedc.com
A
C S
C S
W E #
0 - 1 8
1 #
2 #
A0-18
I/O0-7
CS1-2#
WE#
V
GND
CC
(1)
(1)
Pin Description
Block Diagram
512K x 8
Address Inputs
Data Input/Output
Chip Selects
Write Enable
+5.0V Power Supply
Ground
I / O
0 - 7
WS1M8-XCX
512K x 8
PRELIMINARY*

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WS1M8-100CC Summary of contents

Page 1

... Volt Power Supply Low Power CMOS TTL Compatible Inputs and Outputs Output Enable Internally tied to GND. * This product is under development, is not qualifi characterized and is subject to change without notice. Pin Confi guration FOR WS1M8-XCX 32 DIP Top View A18 1 32 ...

Page 2

... OH OH DATA RETENTION CHARACTERISTICS -55°C ≤ T ≤ +125°C A Conditions Min CS# ≥ V -0.2V 2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XCX PRELIMINARY TRUTH TABLE WE# Mode Data I/O X Standby High Z H Read Data Out L Write Data In CAPACITANCE T = +25°C ...

Page 3

... Z Notes: (Bipolar Supply programmable from -2V to +7V & Tester Impedance Z0 = 75Ω typically the midpoint & ATE tester includes jig capacitance. 3 WS1M8-XCX PRELIMINARY -85 -100 Max Min Max 100 85 100 0 85 100 -85 -100 Max ...

Page 4

... WRITE CYCLE – CS# CONTROLLED CS WE DATA VALID WRITE CYCLE 2, CS# CONTROLLED 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XCX PRELIMINARY ACS t CLZ DATA VALID HIGH IMPEDANCE READ CYCLE 2 (WE ...

Page 5

... C = Ceramic 0.600" DIP (Package 300) ACCESS TIME (ns) ORGANIZATION, two banks of 512K x 8 SRAM WHITE ELECTRONIC DESIGNS CORP. 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XCX PRELIMINARY 15.04 (0.592) ± 0.3 (0.012) 4.34 (0.171) ± 0.79 (0.031) -55°C to +125°C -40°C to +85°C 0°C to +70°C ...

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