Flash Cross Reference Guide
Competitor
Density
(bits)
Winbond
Voltage
5V ONLY
5V ONLY
5V ONLY
5V ONLY
5V ONLY
5V ONLY
5V ONLY
12V/ 5V
5V ONLY
5V ONLY
5V ONLY
Speed (ns)
70, 90, 120
70, 90, 120
120, 150
120, 150
45, 70
55, 70
70
120, 150
120, 150
120, 150
120, 150
Description
Uniform 64KB Sector
Uniform 64KB Sector
Page Write Flash
Page Write Flash
Uniform 64KB Sector
Uniform 64KB Sector
Uniform 64KB Sector
Boot Block Flash
Page Write Flash
Page Write Flash
Page Write Flash
Package Type
TSOP (8x20)
PDIP
PDIP
TSOP (8x20)
TSOP (8x20)
PLCC
PDIP
TSOP (8x20)
PDIP
PLCC
TSOP (8x20)
Equivalent Part No.
BM29F040-90TC
BM29F040-90NC
W29C040-90
W29C040T-90
BM29F040-90TC
BM29F040-90AC
BM29F040-90NC
W29C040T-90
W29C040-90
W29C040P-90
W29C040T-90
Note
100% drop-in replacement
100% drop-in replacement
Same package and pinout
Same package and pinout
100% drop-in replacement
100% drop-in replacement
100% drop-in replacement
Same package and pinout, need software changes.
100% drop-in replacement
100% drop-in replacement
100% drop-in replacement
Org.
(bits)
Company
AMD
Part No.
AM29F040B-70/90/120-EC
AM29F040B-70/90/120-PC
AT29C040A-12/15-PC
Atmel
AT29C040A-12/15-TC
4M
512K*8
ST Micro
M29F040B-70-P
M28F411/421-120/150-N
SST28SF040A-120/150-11C-PH
SST
SST28SF040A-120/150-12C-NH
SST28SF040A-120/150-11C-EH
M29F040B-45/70-N
M29F040B-55/70/K
Note: This competitive data was obtained from public sources. There could be minor differences on AC/DC electrical spec and features. Winbond is not responsible for any changes or errors in this information.
Winbond Electronics Corporation America
WECA Headquarters
Southwest Area Sales Office
2727 North First Street
San Jose, CA 95134
U.S.A.
Tel: 408-943-6666
Fax: 408-544-1787
http://www.winbond-usa.com
Winbond Electronics Corp.
Corporate Headquarters
No. 4, Creation Rd. 3,
Science-Based Industrial Park
Hsinchu, Taiwan
Tel: +886-3-5770066
Fax: +886-3-5792668
http://www.winbond.com.tw
Winbond Electronics Corporation America
WECA Europe Office
Mundsburg Tower, 17th Floor
Hamburger Strasse 11
D-22083 Hamburg
Germany
Tel: +49 49 300367-0
Fax: +49-40-300367-10
Winbond Electronics Corporation America
Southeast Area Sales Office
5318 Hwy. 290 West, Suite 400
Austin, TX 78735
U.S.A.
Tel: 830-899-5710
Fax: 830-899-5716
Winbond Electronics Corporation America
Northwest Area Sales Office
7767 Elm Creek Blvd, Suite 300
Maple Grove, MN 55369
U.S.A.
Tel: 763-416-9042
Fax: 763-416-9078
Winbond Electronics Corporation America
Northeast Area Sales Office
1740 Massachusetts Avenue
Boxborough, MA 01719
U.S.A.
Tel 978-264-2088
Fax: 978-264-3277
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