1Mx32 5V NOR FLASH MODULE
WEDF1M32B-XXX5
FEATURES
Access Times of 70, 90, 120ns
Packaging:
• 66 pin, PGA Type, 1.075” square, Hermetic Ceramic HIP
(Package 400)
• 68 lead, 22mm Low Profile CQFP, 3.5mm (0.140”),
(Package 510)
Sector Architecture
• One 16KByte Sectors
• Two 8KByte Sectors
• One 32KByte Sectors
• Fifteen 64KByte Sectors
1,000,000 Erase/Program Cycles
Organized as 1Mx32, user configurable as 2Mx16 or 4Mx8.
Commercial, Industrial and Military Temperature Ranges
5V ± 10% for Read and Write Operations.
Low Power CMOS
Embedded Erase and Program Algorithm
Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation
Weight
WEDF1M32B-XG2UX5 - 8 grams typical
WEDF1M32B-XH1X5 - 13 grams typical
* This product is under development, is not qualified or characterized and is subject to change or
cancellation without notice.
PIN CONFIGURATION FOR WF1M32B-XH1X5
TOP VIEW
1
I/O
8
I/O
9
I/O
10
A
14
A
16
A
11
A
0
A
18
I/O
0
I/O
1
I/O
2
11
22
12
RESET#
CS
2
#
GND
I/O
11
A
10
A
9
A
15
V
CC
CS
1
#
A
19
I/O
3
33
23
I/O
15
I/O
14
I/O
13
I/O
12
OE#
A
17
WE#
I/O
7
I/O
6
I/O
5
I/O
4
I/O
24
I/O
25
I/O
26
A
7
A
12
NC
A
13
A
8
I/O
16
I/O
17
I/O
18
44
34
V
CC
CS
4
#
NC
I/O
27
A
4
A
5
A
6
NC
CS
3
#
GND
I/O
19
55
45
I/O
31
I/O
30
I/O
29
I/O
28
A
1
A
2
A
3
I/O
23
I/O
22
I/O
21
I/O
20
66
56
PIN DESCRIPTION
I/O0-31
A0-19
WE#
CS1-4#
OE#
RESET#
V
CC
GND
NC
Data Inputs/Outputs
Address Inputs
Write Enable
Chip Selects
Output Enable
Reset
Power Supply
Ground
Not Connected
Block Diagram
CS1#
RESET#
WE#
OE#
A0-19
1M x 8
1M x 8
1M x 8
1M x 8
CS2#
CS3#
CS4#
8
8
8
8
I/O0-7
I/O8-15
I/O16-23
I/O24-31
Mercury Corp. - Memory and Storage Solutions • (602) 437-1520 • www.mrcy.com
1
4338.06E-0816-ss-WEDF1M32B-XXX5
MERCURY [ MERCURY UNITED ELECTRONICS INC ]
