ws1m8-xxx ETC-unknow, ws1m8-xxx Datasheet

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ws1m8-xxx

Manufacturer Part Number
ws1m8-xxx
Description
2x512kx8 Dualithictm Sram
Manufacturer
ETC-unknow
Datasheet
FEATURES
White Electronic Designs Corp. reserves the right to change products or specifi cations without notice.
July 2004
Rev. 5
2x512Kx8 DUALITHIC™ SRAM
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.
PIN CONFIGURATION FOR WS1M8-XDJX
Access Times 17, 20, 25, 35, 45, 55ns
Revolutionary, Center Power/Ground Pinout
Packaging:
• 32 pin, Her met ic Ceramic DIP (Package 300)
• 36 lead Ceramic SOJ (Package 100)
• 36 lead Ceramic Flatpack (Package 226)
A0-18
I/O0-7
CS1-2#
OE#
WE#
V
GND
White Electronic Designs
CS1#
CC
GND
WE#
I/O0
I/O1
V
I/O2
I/O3
A 0 - 1 8
C S 1 #
C S 2 #
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
CC
W E #
AND WS1M8-XFX
O E #
Pin Description
Block Diagram
(1)
(1)
TOP VIEW
36 CSOJ
36 FLATPACK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Address Inputs
Data Input/Output
Chip Selects
Output Enable
Write Enable
+5.0V Power
Ground
512K x 8
I / O 0 - 7
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
512K x 8
NC
A18
A17
A16
A15
OE#
I/O7
I/O6
GND
V
I/O5
I/O4
A14
A13
A12
A11
A10
CS2#
CC
1
PIN CONFIGURATION FOR WS1M8-XCX
Organized as two banks of 512Kx8
Commercial, Industrial and Military Temperature Ranges
5 Volt Power Supply
Low Power CMOS
TTL Compatible Inputs and Outputs
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
A0-18
I/O0-7
CS1-2#
WE#
V
GND
CC
A 0 - 1 8
C S
C S
GND
W E #
I/O0
I/O1
I/O2
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
1 #
2 #
Pin Description
Block Diagram
(1)
(1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TOP VIEW
32 DIP
Address Inputs
Data Input/Output
Chip Selects
Write Enable
+5.0V Power
Ground
512K x 8
I / O 0 - 7
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
WS1M8-XXX
512K x 8
V
A15
A17
WE#
A13
A8
A9
A11
CS2#
A10
CS1#
I/O7
I/O6
I/O5
I/O4
I/O3
CC

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ws1m8-xxx Summary of contents

Page 1

... PIN CONFIGURATION FOR WS1M8-XCX NC A18 A17 A16 A15 OE# I/O7 I/O6 GND V CC I/O5 I/O4 A14 A13 A12 A11 A10 CS2# 512K White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XXX 32 DIP TOP VIEW A18 A16 2 31 A15 A14 3 30 A17 A12 ...

Page 2

... 5MHz 5 6mA -4.0mA OH 2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XXX TRUTH TABLE WE# Mode Data I Standby High Read Data Out X L Write Data Out Disable High Z ...

Page 3

... Tester Impedance Ω typically the midpoint & I are adjusted to simulate a typical resistive load cir cuit ATE tester includes jig capacitance. 3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XXX -25 -35 -45 -55 Max Min Max Min Max Min 35 ...

Page 4

... CS WE# t WHZ WRITE CYCLE 1, WE# CONTROLLED WRITE CYCLE – CS# CONTROLLED CS WE# t WRITE CYCLE 2, CS# CONTROLLED 4 WS1M8-XXX ACS t CLZ OLZ DATA VALID HIGH IMPEDANCE READ CYCLE 2 (WE ...

Page 5

... TYP 3.18 (0.125) MAX 0.127 (0.005) ± 0.05 (0.002) 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XXX 4.76 (0.184) MAX 0.89 (0.035) Radius TYP 9.55 (0.376) ± 0.25 (0.010) 1.27 (0.050) ± 0.25 (0.010) PIN 1 IDENTIFIER 12.7 (0.500) ± 0.5 (0.020) 5.1 (0.200) ± ...

Page 6

... Lead Ceramic Flatpack (Package 226) ACCESS TIME (ns) IMPROVEMENT MARK: Blank = Standard Power ORGANIZATION, two banks of 512K x 8 SRAM WHITE ELECTRONIC DESIGNS CORP. 6 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS1M8-XXX 15.04 (0.592) ± 0.3 (0.012) 4.34 (0.171) ± 0.79 (0.031) -40°C to +85°C 0°C to +70°C ...

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