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WSF2816-39H1MA

128KX16 SRAM/512KX16 FLASH MODULE

White Electronic Designs => Micro Semi 

WSF2816-39XX

HI-RELIABILITY PRODUCT

128KX16 SRAM/512KX16 FLASH MODULE

FEATURES

s Access Times of 35ns (SRAM) and 90ns (FLASH)

s Packaging

• 66 pin, PGA Type, 1.075" square HIP, Hermetic

Ceramic HIP (Package 400)

• 68 lead, Hermetic CQFP (G2U), 22.4mm (0.880") square

(Package 510) 3.56mm (0.140") height. Designed to fit

JEDEC 68 lead 0.990” CQFJ footprint (Fig. 2)

s 128Kx16 SRAM

s 512Kx16 5V FLASH

s Organized as 128Kx16 of SRAM and 512Kx16 of Flash

Memory with separate Data Buses

s Both blocks of memory are User Configurable as 256Kx8

s Low Power CMOS

s Commercial, Industrial and Military Temperature Ranges

s TTL Compatible Inputs and Outputs

s Built-in Decoupling Caps and Multiple Ground Pins for

Low Noise Operation

s Weight:

WSF2816-39G2UX - 8 grams typical

WSF2816-39H1X - 13 grams typical

FLASH MEMORY FEATURES

s 100,000 Erase/Program Cycles

s Sector Architecture

• 8 equal size sectors of 64K bytes each

• Any combination of sectors can be concurrently erased.

Also supports full chip erase

s 5 Volt Programming; 5V ± 10% Supply

s Embedded Erase and Program Algorithms

s Hardware Write Protection

Note: For programming information refer to Flash Programming 4M5

Application Note.

FIG. 1 PIN CONFIGURATION FOR WSF2816-39H1X

TOP VIEW

1

12

23

34

45

56

SD8

SWE2 SD15

FD8

VCC

FD15

SD9

SCS2 SD14

FD9 FCS2 FD14

SD10 GND

SD13

FD10 FWE2 FD13

A13

SD11

SD12

A6

FD11

FD12

A14

A10

OE

A7

A3

A0

A15

A11

A17

NC

A4

A1

A16

A12

SWE1

A8

A5

A2

A18

VCC

SD7

A9 FWE1

FD7

SD0

SCS1 SD6

FD0 FCS1

FD6

PIN DESCRIPTION

FD0-15 Flash Data Inputs/Outputs

SD0-15 SRAM Data Inputs/Outputs

A0-18

Address Inputs

SWE1-2 SRAM Write Enable

SCS1-2 SRAM Chip Selects

OE

Output Enable

VCC

Power Supply

GND

Ground

NC

Not Connected

FWE1-2 Flash Write Enable

FCS1-2 Flash Chip Select

SD1

NC

SD5

SD2

SD3

SD4

11

22

33

FD1 GND

FD5

FD2

FD3

FD4

44

55

66

OE

A0-18

BLOCK DIAGRAM

S W E1 S CS1

S W E2 S CS2

F W E1 F CS1

128K x 8

SRAM

128K x 8

SRAM

512K x 8

FLASH

F W E2 F CS2

512K x 8

FLASH

8

SD0-7

8

SD8-15

8

FD0-7

8

FD8-15

June 2000 Rev. 4

1

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

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