WSF128K32 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

WSF128K32

128K X 32 SRAM/FLASH MODULE

Unspecified 

White Electronic Designs WSF128K32-XH2X

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

TOP VIEW

1

12

23

34

45

56

I/O8

FWE2 I/O15

I/O24

VCC

I/O31

I/O9

SWE2 I/O14

I/O25 SWE4

I/O30

I/O10

GND

I/O13

I/O26 FWE4

I/O29

A14

I/O11

I/O12

A7

I/O27

I/O28

A16

A10

OE

A12

A4

A1

A11

A9

NC

SWE1

A5

A2

A0

A15

FWE1

A13

A6

A3

NC

VCC

I/O7

A8 FWE3

I/O23

PIN DESCRIPTION

D0-31

A0-16

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

BLOCK DIAGRAM

I/O0

FCS

I/O6

I/O1

SCS

I/O5

I/O2

I/O3

I/O4

11

22

33

I/O16 SWE3

I/O22

I/O17 GND

I/O21

I/O18

I/O19

I/O20

44

55

66

OE

A0-16

SCS

FCS

FWE1 SWE1

FWE2 SWE2

FWE3 SWE3

FWE4 SWE4

128K x 8 Flash

128K x 8 SRAM

128K x 8 Flash

128K x 8 SRAM

128K x 8 Flash

128K x 8 SRAM

128K x 8 Flash

128K x 8 SRAM

October 2002 Rev. 4

I/O0-7

I/O8-15

I/O16-23

I/O24-31

1

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

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