WF4M32-XXX5
White Electronic Designs
PRELIMINARY*
4MX32 5V FLASH MODULE
FEATURES
!
!
Organized as 4Mx32
!
Access Times of 100, 120, 150ns
User configurable as 8Mx16 or 16Mx8 in HIP and
G4T packages.
!
Packaging:
!
Commercial, Industrial, and Extended
Temperature Ranges
• 66 pin, PGA Type, 1.385" square, Hermetic
Ceramic HIP (Package 402).
• 68 lead, 40mm Low Profile CQFP ( Package
502 ), 3.5mm (0.140") height.
!
!
!
5 Volt Read and Write. 5V ± 10% Supply.
Low Power CMOS
• 68 lead, Hermetic CQFP (G2T), 22.4mm
(0.880") square (Package 509) 4.57mm
(0.180") height. Designed to fit JEDEC 68
lead 0.990CQFJ footprint (Fig. 3)
Data Polling and Toggle Bit feature for detection
of program or erase cycle completion.
!
!
!
Supports reading or programming data to a
sector not being erased.
!
!
Sector Architecture
RESET pin resets internal state machine to the
read mode.
• 32 equal size sectors of 64KBytes per each
2Mx8 chip
Built-in Decoupling Caps and Multiple Ground
Pins for Low Noise Operation, Separate Power
and Ground Planes to improve noise immunity
• Any combination of sectors can be erased. Also
supports full chip erase.
Minimum 100,000 Write/Erase Cycles Minimum
*This data sheet describes a product under development, not fully
characterized, and is subject to change without notice.
Note:
For programming information refer to Flash Programming 16M5
Application Note.
FIG. 1 PIN CONFIGURATION FOR WF4M32-XH2X5
PIN DESCRIPTION
TOP VIEW
I/O0-31 Data Inputs/Outputs
1
12
23
34
45
56
A0-21
WE
Address Inputs
Write Enables
Chip Selects
Output Enable
Power Supply
Ground
I/O
8
9
RESET
I/O15
I/O14
I/O13
I/O12
OE
I/O24
I/O25
I/O26
V
CC
I/O31
I/O30
I/O29
I/O28
CS1-4
OE
I/O
CS
2
CS4
I/O10
GND
I/O11
NC
VCC
GND
RESET
A
A
A
A
A
14
16
11
0
A
7
I/O27
Reset
A
A
A
V
10
A
A
A
12
21
13
A
A
A
4
5
6
A1
A2
A3
9
A
17
BLOCK DIAGRAM
15
CC
WE
CS
CS
3
CS
4
1
CS
2
A
21
18
I/O
I/O
I/O
I/O
7
A
8
A20
CS
I/O23
I/O22
I/O21
I/O20
I/O0
I/O1
I/O2
CS
1
6
5
4
I/O16
I/O17
I/O18
3
OE
WE
A19
GND
I/O19
A
0-20
RESET
2M x 8
2M x 8
2Mx 8
2M x 8
I/O3
2M x 8
2M x 8
2M x 8
2M x 8
11
22
33
44
55
66
I/O16-23
I/O24-31
I/O0-7
I/O8-15
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
December2003 Rev.5