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M29W002BT

ST Microelectronics
Part Number M29W002BT
Manufacturer ST Microelectronics
Description 2 Mbit 256Kb x8 / Boot Block Low Voltage Single Supply Flash Memory
Published Apr 26, 2005
Detailed Description M29W002BT M29W002BB 2 Mbit (256Kb x8, Boot Block) Low Voltage Single Supply Flash Memory PRELIMINARY DATA s SINGLE 2.7 ...
Datasheet PDF File M29W002BT PDF File

M29W002BT
M29W002BT

Overview
M29W002BT M29W002BB 2 Mbit (256Kb x8, Boot Block) Low Voltage Single Supply Flash Memory PRELIMINARY DATA s SINGLE 2.
7 to 3.
6V SUPPLY VOLTAGE for PROGRAM, ERASE and READ OPERATIONS ACCESS TIME: 55ns PROGRAMMING TIME – 10µs by Byte typical 7 MEMORY BLOCKS – 1 Boot Block (Top or Bottom Location) – 2 Parameter and 4 Main Blocks s s s s PROGRAM/ERASE CONTROLLER – Embedded Byte Program algorithm – Embedded Multi-Block/Chip Erase algorithm – Status Register Polling and Toggle Bits – Ready/Busy Output Pin TSOP40 (N) 10 x 20mm s ERASE SUSPEND and RESUME MODES – Read and Program another Block during Erase Suspend Figure 1.
Logic Diagram s TEMPORARY BLOCK UNPROTECTION MODE UNLOCK BYPASS PROGRAM COMMAND – Faster Production/Batch Programming LOW POWER CONSUMPTION – Standby and Automatic Standby A0-A17 W E G RP M29W002BT M29W002BB RB 18 VCC s s 8 DQ0-DQ7 s 100,000 PROGRAM/ERASE CYCLES per BLOCK 20 YEARS DATA RETENTION – Defectivity below 1 ppm/year ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Top Device Code M29W002BT: 40h – Bottom Device Code M29W002BB: C2h s s VSS AI02955 March 2000 This is preliminary information on a new product now in development or undergoing evaluation.
Details are subject to change without notice.
1/20 M29W002BT, M29W002BB Figure 2.
TSOP Connections Table 1.
Signal Names A0-A17 DQ0-DQ7 Address Inputs Data Inputs/Outputs Chip Enable Output Enable Write Enable Reset/Block Temporary Unprotect Ready/Busy Output Supply Voltage Ground Not Connected Internally A16 A15 A14 A13 A12 A11 A9 A8 W RP NC RB NC A7 A6 A5 A4 A3 A2 A1 1 40 10 M29W002BT 31 11 M29W002BB 30 20 21 AI02956 A17 VSS NC NC A10 DQ7 DQ6 DQ5 DQ4 VCC VCC NC DQ3 DQ2 DQ1 DQ0 G VSS E A0 E G W RP RB VCC VSS NC SUMMARY DESCRIPTION The M29W002B is a 2 Mbit (256Kb x8) non-volatile memory that can be read, erased and reprogrammed.
These operations can be performed using a single low voltage (2.
7 to 3.
6V) supply.
On power-up the memory defaults to its Read mode where it can be ...


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