WSF41632-22XX Datasheet, PDF (1/14 Pages) White Electronic Designs Corporation – 128KX32 SRAM & 512Kx32 FLASH MIXED MODULE

White Electronic Designs
WSF41632-22XX
PRELIMINARY*
128KX32 SRAM & 512Kx32 FLASH MIXED MODULE
FEATURES
Access times of 25ns (SRAM) and 120ns (FLASH)
Packaging
Built-in decoupling caps and multiple ground pins
for low noise operation
Weight - 13 grams typical
• 66 pin, PGA Type, 1.385" square HIP, hermetic
ceramic HIP (Package 402)
• 68 lead, hermetic CQFP (G2T), 22.4mm (0.880")
square (Package 509) 4.57mm (0.180") height
Designed to fit JEDEC 68 lead 0.990" CQFJ
footprint (FIGURE 2). Package to be developed.
128Kx32 SRAM
FLASH MEMORY FEATURES
100,000 erase/program cycles minimum
Sector architecture
• 8 equal size sectors of 64KBytes each
• Any combination of sectors can be concurrently
erased. Also supports full chip erase
512Kx32 5V Flash
5V programming; 5V ± 10% supply
Organized as 128Kx32 of SRAM and 512Kx32 of
Flash Memory with common data bus
Low power CMOS
Commercial, industrial and military temperature
ranges
Embedded erase and program algorithms
Hardware write protection
Page program operation and internal program
control time.
Note: For programming information refer to flash programming 4M5 application note.
TTL compatible inputs and outputs
* This product is under development, is not qualified or characterized and is subject to
change without notice.
PIN CONFIGURATION FOR WSF41632-22H2X
Top View
1
12
23
I/O8
FWE2# I/O15
34
45
56
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
Pin Description
D0-31 Data Inputs/Outputs
A0-18 Address Inputs
SWE#1-4 SRAM Write Enables
SCS# SRAM Chip Select
OE#
Output Enable
VCC
Power Supply
GND
Ground
NC
Not Connected
FWE#1-4 Flash Write Enables
FCS
Flash Chip Select
A11
A9
A17
A0
A15
FWE1#
A18
VCC
I/O7
I/O0
FCS#
I/O6
I/O1
SCS# I/O5
SWE1#
A5
A2
A13
A6
A3
A8 FWE3#
I/O23
I/O16 SWE3#
I/O22
I/O17
GND
I/O21
Block Diagram
OE#
A0-18
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
I/O2
I/O3
I/O4
I/O18
I/O19
I/O20
11
22
33
44
55
66
I/O0-7
I/O8-15
I/O16-23
I/O24-31
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
October, 2002
Rev. 4
1
White Electronic Designs Corporation • [phone] • www.wedc.com