WMF2M8-XXX5 Datasheet, PDF (1/14 Pages) White Electronic Designs Corporation – 2Mx8 MONOLITHIC FLASH, SMD 5962-97609

White Electronic Designs
WMF2M8-XXX5
2Mx8 MONOLITHIC FLASH, SMD 5962-97609
FEATURES
Access Times of 90, 120, 150ns
Packaging:
• 56 lead, Hermetic Ceramic, 0.520" CSOP
(Package 207). Fits standard 56 SSOP footprint.
• 44 pin Ceramic LCC**
Sector Architecture
• 32 equal size sectors of 64KBytes each
• Any combination of sectors can be erased. Also
supports full chip erase.
100,000 Write/Erase Cycles Minimum
Organized as 2Mx8
Commercial, Industrial, and Military Temperature
Ranges
5V Read and Write. 5V ± 10% Supply.
Low Power CMOS
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.
RESET# pin resets internal state machine to the
read mode.
Multiple Ground Pins for Low Noise Operation
* This data sheet describes a product that is subject to change without
notice.
** Package to be developed.
Note: For programming information refer to Flash Programming 16M5 Application Note.
Fig. 1 – Pin Configuration for WMF2M8-XXX5
56 CSOP
Top View
CS# 1
A12 2
A13 3
A14 4
A15 5
NC 6
NC 7
NC 8
A20 9
A19 10
A18 11
A17 12
A16 13
VCC 14
GND 15
I/O6 16
NC 17
I/O7 18
NC 19
RY/BY# 20
OE# 21
WE# 22
NC 23
NC 24
I/O5 25
NC 26
I/O4 27
VCC 28
56 NC
55 RESET#
54 A11
53 A10
52 A9
51 A1
50 A2
49 A3
48 A4
47 A5
46 A6
45 A7
44 GND
43 A8
42 VCC
41 NC
40 I/O1
39 NC
38 I/O0
37 A0
36 NC
35 NC
34 NC
33 I/O2
32 NC
31 I/O3
30 NC
29 GND
Pin Description
I/O0-7
A0-20
WE#
CS#
OE#
VCC
GND
RY/BY#
RESET#
Data Inputs/Outputs
Address Inputs
Write Enable
Chip Select
Output Enable
Power Supply
Ground
Ready/Busy
Reset
44 CLCC**
Top View
6 5 4 3 2 1 44 43 42 41 40
A7 7
A6 8
A5 9
A4 10
NC 11
NC 12
NC 13
A3 14
A2 15
A1 16
A0 17
39 A16
38 A17
37 A18
36 A19
35 NC
34 NC
33 NC
32 A20
31 WE#
30 OE#
29 RY/BY#
18 19 20 21 22 23 24 25 26 27 28
** Package to be developed.
May 2004
Rev. 6
1
White Electronic Designs Corporation • [phone] • www.wedc.com