WS128K32N-35G2TCE WEDC [White Electronic Designs Corporation], WS128K32N-35G2TCE Datasheet

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WS128K32N-35G2TCE

Manufacturer Part Number
WS128K32N-35G2TCE
Description
128Kx32 SRAM MULTICHIP PACKAGE, RADIATION TOLLERANT
Manufacturer
WEDC [White Electronic Designs Corporation]
Datasheet
128Kx32 SRAM MULTICHIP PACKAGE, RADIATION TOLLERANT
December 2000
Rev. 0
FEATURES
Access Times of 35, 45, 55ns
Packaging
• 68 lead, 22.4mm CQFP (G2T), 4.57mm (0.180"),
Organized as 128Kx32; User Confi gurable as
256Kx16 or 512Kx8
Low Power Data Retention
Commercial, Industrial and Military Temperature
Ranges
5V Power Supply
Low Power CMOS
GND
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
(Package 509)
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61
White Electronic Designs
FIGURE 1 – PIN CONFIGURATION FOR WS128K32N-XG2TXE
Top View
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
GND
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
The White 68 lead G2T CQFP fi lls
the same fi t and function as the
JEDEC 68 lead CQFJ or 68 PLCC.
But the G2T has the TCE and lead
inspection advantage of the CQFP
form.
1
* This product is under development, is not qualifi ed or characterized and is subject to
change or cancellation without notice.
TTL Compatible Inputs and Outputs
Built in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight
Radiation tolerant with epitaxial layer on die.
6T memory cells provide excellent protection
against soft errors
WS128K32-XG2TXE – 8 grams typical
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
A
OE#
0-16
128K x 8
I/O
WE
8
WS128K32-XG2TXE
0-7
1
# CS
I/O
A
WE
CS
OE#
V
GND
NC
1
0-16
CC
#
Block Diagram
Pin Description
0-31
1-4
1-4
#
#
128K x 8
WE
I/O
8
8-15
2
Data Inputs/Outputs
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
Not Connected
#
CS
2
#
128K x 8
I/O
WE
8
16-23
3
#
CS
ADVANCED*
3
#
128K x 8
I/O
WE
8
24-31
4
#
CS
4
#

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WS128K32N-35G2TCE Summary of contents

Page 1

... Organized as 128Kx32; User Confi gurable as 256Kx16 or 512Kx8 Low Power Data Retention Commercial, Industrial and Military Temperature Ranges 5V Power Supply Low Power CMOS FIGURE 1 – PIN CONFIGURATION FOR WS128K32N-XG2TXE Top View I I/O 11 ...

Page 2

White Electronic Designs ABSOLUTE MAXIMUM RATINGS Parameter Symbol Operating Temperature T A Storage Temperature T STG Signal Voltage Relative to GND V G Junction Temperature T J Supply Voltage V CC RECOMMENDED OPERATING CONDITIONS Parameter Symbol Min Supply Voltage V ...

Page 3

White Electronic Designs Parameter Symbol Read Cycle Read Cycle Time t RC Address Access Time t Output Hold from Address Change t OH Chip Select Access Time t ACS Output Enable to Output Valid t OE Chip Select to Output ...

Page 4

White Electronic Designs FIGURE 3 – TIMING WAVEFORM - READ CYCLE READ CYCLE 1, (CS FIGURE 4 – WRITE CYCLE - WE# CONTROLLED CS# WE# FIGURE 5 – WRITE CYCLE - CS# CONTROLLED December 2000 Rev. ...

Page 5

White Electronic Designs PACKAGE 510: 68 LEAD, CERAMIC QUAD FLAT PACK, CQFP (G2T) 25.15 (0.990) ± 0.26 (0.010) SQ 22.36 (0.880) ± 0.26 (0.010) SQ Pin 1 1.27 (0.050) TYP 0.38 (0.015) ± 0.05 (0.002) 20.3 (0.800) REF 0.940" TYP ...

Page 6

White Electronic Designs W S 128K XXX December 2000 Rev. 0 ORDERING INFORMATION LEAD FINISH: Blank = Gold plated leads A = Solder dip leads E = Epitaxial Layer on die DEVICE GRADE: ...

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