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

White Electronic Designs

WSF128K16-XXX

May 2003

Rev. 6

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

128Kx16 SRAM/FLASH MODULE, SMD 5962-96900

FEATURES

Access Times of 35ns (SRAM) and 70ns (FLASH)

Access Times of 70ns (SRAM) and 120ns (FLASH)

Packaging

• 66-pin, PGA Type, 1.075 inch square HIP,

Hermetic Ceramic HIP (Package 400)

• 66-pin, PGA Type, 1.185 inch square HIP,

Hermetic Ceramic HIP (Package 401)

inch) square (Package 519). Designed to fit

JEDEC 68 lead 0.990” CQFJ footprint (FIGURE 2)

• 68 lead, Hermetic CQFP (G1T), 22.4mm (0.880

inch) square (Package 524)

128Kx16 SRAM

128Kx16 5V FLASH

Organized as 128Kx16 of SRAM and 128Kx16 of

Flash Memory with separate Data Buses

Both blocks of memory are User Configurable as

256Kx8

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

• WSF128K16-XHX — 13 grams typical

• WSF128K16-H1X — 13 grams typical

• WSF128K16-XG1TX — 5 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.

Note: For programming information refer to Flash Programming 1M5 Application Note.

Note 1: Package not recommended for new designs

Block Diagram

Pin Description

FD0-15

Flash Data Inputs/Outputs

SD0-15

SRAM Data Inputs/Outputs

A0-16

Address Inputs

SWE1-2#

SRAM Write Enable

SCS1-2#

SRAM Chip Selects

OE#

Output Enable

Power Supply

GND

Ground

NC

Not Connected

FWE1-2#

Flash Write Enable

FCS1-2#

Flash Chip Select

Top View

FIGURE1 PIN CONFIGURATION FOR WSF128K16-XHX AND WSF128K16-XH1X

112

23

34

45

56

11

22

33

44

55

66

NC

OE#

NC

GND

NC

GND

NC

128K x 8

SRAM

128K x 8

SRAM

128K x 8

FLASH

128K x 8

FLASH

8

8

8

8

OE#