WSF128K32 Datasheet, PDF (1/12 Pages) List of Unclassifed Manufacturers – 128K x 32 SRAM/FLASH MODULE

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 • [phone] • www.whiteedc.com