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WF4M32-150H2M5 Datasheet PDF : 15 Pages
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WF4M32-XXX5
HI-RELIABILITY PRODUCT
4MX32 5V FLASH MODULE, SMD 5962-97612 (pending) PRELIMINARY*
FEATURES
s Access Times of 100, 120, 150ns
s Packaging:
• 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.
• 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 (Fig. 3)
s Sector Architecture
• 32 equal size sectors of 64KBytes per each 2Mx8 chip
• Any combination of sectors can be erased. Also supports
full chip erase.
s Minimum 100,000 Write/Erase Cycles Minimum
s Organized as 4Mx32
s User configurable as 8Mx16 or 16Mx8 in HIP and G4T
packages.
s Commercial, Industrial, and Military Temperature Ranges
s 5 Volt Read and Write. 5V ± 10% Supply.
s Low Power CMOS
s Data Polling and Toggle Bit feature for detection of program
or erase cycle completion.
s Supports reading or programming data to a sector not being
erased.
s RESET pin resets internal state machine to the read mode.
s Built-in Decoupling Caps and Multiple Ground Pins for Low
Noise Operation, Separate Power and Ground Planes to
improve noise immunity
* 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
TOP VIEW
1
12
23
34
45
56
I/O8
RESET I/O15
I/O24
VCC
I/O31
I/O9
CS2
I/O14
I/O25
CS4 I/O30
I/O10 GND I/O13
I/O26
NC I/O29
A14
I/O11 I/O12
A16
A10
OE
A11
A9
A17
A7 I/O27
A12
A4
A21
A5
I/O28
A1
A2
BLOCK DIAGRAM
CS1
CS2
A21
PIN DESCRIPTION
I/O0-31 Data Inputs/Outputs
A0-21
Address Inputs
WE
Write Enables
CS1-4
Chip Selects
OE
Output Enable
VCC
Power Supply
GND
Ground
RESET
Reset
C S3
CS4
A0
A15
WE
A18
VCC
I/O7
I/O0
CS1
I/O6
I/O1
A19
I/O5
I/O2
I/O3
I/O4
11
22
33
A13
A6
A3
A8
A20 I/O23
I/O16
CS3 I/O22
I/O17 GND I/O21
I/O18 I/O19 I/O20
44
55
66
OE
WE
A0-20
RESET
2M x 8
2M x 8
2M x 8
2M x 8
2Mx 8
2M x 8
2M x 8
2M x 8
I/O0-7
I/O8-15
I/O16-23
I/O24-31
May1999 Rev. 2
1
White Electronic Designs Corporation • Phoenix, AZ • (602) 437-1520
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