WSF128K32-27H2MA datasheet(1/12 Pages) ETC1

Part #	WSF128K32-27H2MA

Description	128K x 32 SRAM/FLASH MODULE

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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com

WSF128K32-XH2X

White Electronic Designs

128KX32 SRAM/FLASH MODULE PRELIMINARY*

FEATURES

■ Access Times of 25ns (SRAM) and 70, 90 and 120ns

(FLASH)

■ Packaging:

66-pin, PGA Type, 1.385 inch square HIP, Hermetic

Ceramic HIP (Package 402)

■ 128Kx32 SRAM

■ 128Kx32 5V Flash

■ Organized as 128Kx32 of SRAM and 128Kx32 of

Flash Memory with common Data Bus

■ Low Power CMOS

■ Commercial, Industrial and Military Temperature Ranges

■ TTL Compatible Inputs and Outputs

■ Built-in Decoupling Caps and Multiple Ground Pins

for Low Noise Operation

■ Weight - 13 grams typical

FLASH MEMORY FEATURES

■ 10,000 Erase/Program Cycles

■ Sector Architecture

8 equal size sectors of 16K bytes each

Any combination of sectors can be concurrently

erased. Also supports full chip erase

■ 5 Volt Programming; 5V ± 10% Supply

■ Embedded Erase and Program Algorithms

■ Hardware Write Protection

■ Page Program Operation and Internal Program

Control Time.

* This data sheet describes a product under development, not fully

characterized, and is subject to change without notice.

Note: Programming information available upon request.

FIG. 1 PIN CONFIGURATION FOR WSF128K32-XH2X

BLOCK DIAGRAM

PIN DESCRIPTION

D0-31

Data Inputs/Outputs

A0-16

Address Inputs

SWE1-4 SRAM Write Enables

SCS

SRAM Chip Select

OE

Output Enable

VCC

Power Supply

GND

Ground

NC

Not Connected

FWE1-4

Flash Write Enables

FCS

Flash Chip Select

I/O8

I/O9

I/O10

A14

A16

A11

A0

NC

I/O0

I/O1

I/O2

FWE2

SWE2

GND

I/O11

A10

A9

A15

VCC

FCS

SCS

I/O3

I/O15

I/O14

I/O13

I/O12

OE

NC

FWE1

I/O7

I/O6

I/O5

I/O4

I/O24

I/O25

I/O26

A7

A12

SWE1

A13

A8

I/O16

I/O17

I/O18

VCC

SWE4

FWE4

I/O27

A4

A5

A6

FWE3

SWE3

GND

I/O19

I/O31

I/O30

I/O29

I/O28

A1

A2

A3

I/O23

I/O22

I/O21

I/O20

11

22

33

44

55

66

1

12

23

34

45

56

TOP VIEW

OE

FCS

SCS

A 0-16

FWE 1

SWE 1

128K x 8 Flash

128K x 8 SRAM

I/O0-7

FWE 2

SWE 2

128K x 8 Flash

128K x 8 SRAM

I/O8-15

FWE 3

SWE 3

128K x 8 Flash

128K x 8 SRAM

I/O16-23

FWE 4

SWE 4

128K x 8 Flash

128K x 8 SRAM

I/O24-31

October 2002 Rev. 4

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