29W040 Datasheet - STMicroelectronics

29W040 4 Mbit 512Kb x8 / Uniform Block Low Voltage Single Supply Flash Memory

The M29W040 is a non-volatile memory that may be erased electrically at the block level, and programmed Byte-by-Byte. The interface is directly compatible with most microprocessors. PLCC32, TSOP32 (8 x 20mm)and TSOP32 (8 x 14mm) packages are available. Both normal and reverse pin outs are available .

M29W040 4 Mbit (512Kb x8, Uniform Block) Low Voltage Single Supply Flash Memory NOT FOR NEW DESIGN M29W040 is replaced by the M29W040B 2.7V to 3.6V SUPPLY VOLTAGE for PROGRAM, ERASE and READ OPERATIONS FAST ACCESS TIME: 100ns BYTE PROGRAMMING TIME: 12µs typical ERASE TIME Block: 1.5 sec typical Chip: 2.5 sec typical PROGRAM/ERASE CONTROLLER (P/E.C.) Program Byte-by-Byte Data Polling and Toggle bits Protocol for P/E.C. Status MEMORY ERASE in BLOCKS

29W040 Features

* write cycle is initiated. See Note 4. RBP (3) 3+ Read Block Protection until a new write cycle is

29W040 Datasheet (205.61 KB)