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WSF512K32-XXX Datasheet, PDF (1/14 Pages) White Electronic Designs Corporation – 512KX32 SRAM / FLASH MODULE
White Electronic Designs
WSF512K32-XXX
512KX32 SRAM / FLASH MODULE
FEATURES
Access Times of 25ns (SRAM) and 70, 90ns
(FLASH)
Built in Decoupling Caps and Multiple Ground Pins
for Low Noise Operation
Weight - 13 grams typical
Packaging
• 66 pin, PGA Type, 1.385" square HIP, Hermetic
Ceramic HIP (Package 402)
• 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.
FLASH MEMORY FEATURES
100,000 Erase/Program Cycles
Sector Architecture
• 8 equal size sectors of 64KBytes each
• Any combination of sectors can be concurrently
erased. Also supports full chip erase
512Kx32 SRAM
5 Volt Programming; 5V ± 10% Supply
512Kx32 5V Flash
Embedded Erase and Program Algorithms
Organized as 512Kx32 of SRAM and 512Kx32 of
Flash Memory with common Data Bus
Low Power CMOS
Commercial, Industrial and Military Temperature
Ranges
Hardware Write Protection
Page Program Operation and Internal Program
Control Time.
* This product is subject to change without notice.
Note: Programming information available upon request.
TTL Compatible Inputs and Outputs
Figure 1 – PIN CONFIGURATION FOR WSF512K32-29H2X
Top View
1
12
23
I/O8
FWE2# I/O15
I/O9
SWE2# I/O14
I/O10 GND
I/O13
A14
I/O11
I/O12
A16
A10
OE#
A11
A9
A17
34
45
56
I/O24
VCC I/O31
I/O25 SWE4# I/O30
I/O26 FWE4# I/O29
A7
I/O27
I/O28
A12
A4
A1
SWE1#
A5
A2
Pin Description
I/O0-31
A0-18
SWE1-4#
SCS#
OE#
VCC
GND
NC
FWE1-4#
FCS#
Data Inputs/Outputs
Address Inputs
SRAM Write Enables
SRAM Chip Select
Output Enable
Power Supply
Ground
Not Connected
Flash Write Enables
Flash Chip Select
A0
A15
FWE1#
A18
VCC
I/O7
I/O0
FCS# I/O6
I/O1
SCS# I/O5
I/O2
I/O3
I/O4
11
22
33
A13
A6
A3
A8 FWE3# I/O23
I/O16 SWE3# I/O22
I/O17
GND I/O21
I/O18
I/O19
I/O20
44
55
66
OE#
A0-18
SCS#
FCS#
FWE1# SWE1#
Block Diagram
FWE2# SWE2#
FWE3# SWE3#
FWE4# SWE4#
512K x 8 Flash
512K x 8 SRAM
512K x 8 Flash
512K x 8 SRAM
512K x 8 Flash
512K x 8 SRAM
512K x 8 Flash
512K x 8 SRAM
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