WSF512K32-XXX
White Electronic Designs
512KX32 SRAM / FLASH MODULE
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Built in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight - 13 grams typical
FEATURES
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Access Times of 25ns (SRAM) and 70, 90ns
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(FLASH)
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Packaging
FLASH MEMORY FEATURES
• 66 pin, PGA Type, 1.385" square HIP, Hermetic
Ceramic HIP (Package 402)
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100,000 Erase/Program Cycles
Sector Architecture
• 68 lead, Hermetic CQFP (G2T), 22.4mm (0.880")
square (Package 509) 4.57mm (0.180") height.
Designed to fit JEDEC 68 lead 0.990" CQFJ
footprint (Figure 2). Package to be developed.
• 8 equal size sectors of 64KBytes each
• Any combination of sectors can be concurrently
erased. Also supports full chip erase
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5 Volt Programming; 5V 10ꢀ Supply
Embedded Erase and Program Algorithms
Hardware Write Protection
Page Program Operation and Internal Program
Control Time.
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512Kx32 SRAM
512Kx32 5V Flash
Organized as 512Kx32 of SRAM and 512Kx32 of
Flash Memory with common Data Bus
Low Power CMOS
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* This product is subject to change without notice.
Note: Programming information available upon request.
Commercial, Industrial and Military Temperature
Ranges
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TTL Compatible Inputs and Outputs
Figure 1 – PIN CONFIGURATION FOR WSF512K32-29H2X
Pin Description
Top View
I/O0-31
Data Inputs/Outputs
Address Inputs
SRAM Write Enables
SRAM Chip Select
Output Enable
Power Supply
Ground
Not Connected
Flash Write Enables
Flash Chip Select
1
12
23
34
45
56
A0-18
SWE1-4#
SCS#
OE#
VCC
GND
NC
FWE1-4#
FCS#
I/O8
I/O9
I/O10
A14
A16
A11
A0
FWE2#
SWE2#
GND
I/O11
A10
I/O15
I/O24
I/O25
I/O26
A7
VCC
SWE4#
FWE4#
I/O27
A4
I/O31
I/O30
I/O29
I/O28
A1
I/O14
I/O13
I/O12
OE#
A12
A9
A17
SWE1#
A13
A5
A2
A15
FWE1#
I/O7
A6
A3
Block Diagram
FWE
1
#
SWE
1
#
FWE
2
#
SWE
2
#
FWE
3
#
SWE
3
#
FWE4# SWE4#
A18
I/O0
I/O1
I/O2
VCC
FCS#
SCS#
I/O3
A8
FWE3#
SWE3#
GND
I/O23
I/O22
I/O21
I/O20
OE#
A0-18
SCS#
FCS#
I/O6
I/O16
I/O17
I/O18
I/O5
512K x 8 Flash
512K x 8 Flash
512K x 8 Flash
512K x 8 Flash
512K x 8 SRAM
512K x 8 SRAM
512K x 8 SRAM
512K x 8 SRAM
I/O4
I/O19
11
22
33
44
55
66
I/O0-7
I/O8-15
I/O16-23
I/O24-31
May 2006
Rev. 9
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com