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M29W022BT Datasheet(PDF) 1 Page - STMicroelectronics

Part No. M29W022BT
Description  2 Mbit 256Kb x8, Boot Block Low Voltage Single Supply Flash Memory
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29W022BT Datasheet(HTML) 1 Page - STMicroelectronics

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March 2000
M29W022BT
M29W022BB
2 Mbit (256Kb x8, Boot Block)
Low Voltage Single Supply Flash Memory
s
SINGLE 2.7 to 3.6V SUPPLY VOLTAGE for
PROGRAM, ERASE and READ OPERATIONS
s
ACCESS TIME: 55ns
s
PROGRAMMING TIME
–10
µs by Byte typical
s
7 MEMORY BLOCKS
– 1 Boot Block (Top or Bottom Location)
– 2 Parameter and 4 Main Blocks
s
PROGRAM/ERASE CONTROLLER
– Embedded Byte Program algorithm
– Embedded Multi-Block/Chip Erase algorithm
– Status Register Polling and Toggle Bits
s
ERASE SUSPEND and RESUME MODES
– Read and Program another Block during
Erase Suspend
s
UNLOCK BYPASS PROGRAM COMMAND
– Faster Production/Batch Programming
s
LOW POWER CONSUMPTION
– Standby and Automatic Standby
s
100,000 PROGRAM/ERASE CYCLES per
BLOCK
s
20 YEARS DATA RETENTION
– Defectivity below 1 ppm/year
s
ELECTRONIC SIGNATURE
– Manufacturer Code: 20h
– Top Device Code M29W022BT: C4h
– Bottom Device Code M29W022BB: C3h
TSOP32 (NZ)
8 x 14mm
PLCC32 (K)
Figure 1. Logic Diagram
AI02971
18
A0-A17
W
DQ0-DQ7
VCC
M29W022BT
M29W022BB
E
VSS
8
G


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