ws128k32-xg2txe White Electronic Designs Corporation, ws128k32-xg2txe Datasheet

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ws128k32-xg2txe

Manufacturer Part Number
ws128k32-xg2txe
Description
128kx32 Sram Multichip Package, Radiation Tollerant
Manufacturer
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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ws128k32-xg2txe Summary of contents

Page 1

... TTL Compatible Inputs and Outputs Built in Decoupling Caps and Multiple Ground Pins for Low Noise Operation Weight WS128K32-XG2TXE – 8 grams typical Radiation tolerant with epitaxial layer on die. 6T memory cells provide excellent protection against soft errors * This product is under development, is not qualifi characterized and is subject to change or cancellation without notice ...

Page 2

... ≥ V -0.2V CCDR ≥ V -0.2V CDR ≤ 0. White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS128K32-XG2TXE TRUTH TABLE WE# Mode Data I Standby High Read Data Out X L Write Data Out Disable High Z CAPACITANCE T = +25°C ...

Page 3

... Output Timing Reference Level V 1.5V Z Notes: (Bipolar Supply programmable from -2V to +7V & Tester Impedance Z0 = 75Ω typically the midpoint & ATE tester includes jig capacitance. 3 WS128K32-XG2TXE -45 -55 Max Min Max -45 ...

Page 4

... FIGURE 4 – WRITE CYCLE - WE# CONTROLLED CS# WE# FIGURE 5 – WRITE CYCLE - CS# CONTROLLED December 2000 Rev. 0 CS# OE WRITE CYCLE 1, WE# CONTROLLED WS32K32-XHX CS# WE# WRITE CYCLE 2, CS# CONTROLLED 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS128K32-XG2TXE ADVANCED READ CYCLE 2 (WE ...

Page 5

... SQ Pin 1 1.27 (0.050) TYP 0.38 (0.015) ± 0.05 (0.002) 20.3 (0.800) REF 0.940" TYP ALL LINEAR DIMENSIONS ARE MILLIMETERS AND PARENTHETICALLY IN INCHES December 2000 Rev. 0 WS128K32-XG2TXE 4.57 (0.180) MAX 0.27 (0.011) ± 0.04 (0.002) 0.25 (0.010) REF 24.03 (0.946) R 0.25 ± 0.26 (0.010) (0.010) 1° / 7° 1.0 (0.040) ± 0.127 (0.005) 23.87 (0 ...

Page 6

... Connect at pin 8, 21, 28 and 39 in HIP for Upgrades ORGANIZATION, 128Kx32 User confi gurable as 256Kx16 or 512Kx8 SRAM WHITE ELECTRONIC DESIGNS CORPORATION * Low Power Data Retention only available in G2T Package Type 6 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com WS128K32-XG2TXE ADVANCED ...

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