29F040 - STMicroelectronics

29F040 4 Mbit 512Kb x8 / Uniform Block Single Supply Flash Memory

The M29F040 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 and TSOP32 (8 x 20mm) packages are available. Both normal and reverse pin outs are available for the TSOP32 package. Organisation The Flash Memory organisation is 512K x8 .

Features

mm Figure 1. Logic Diagram VCC 19 A0-A18 8 DQ0-DQ7 W E G M29F040 VSS AI01372 November 1999 This is information on a product still in production but not recommended for new designs. 1/31 M29F040 Figure 2A. LCC Pin Connections Figure 2B. TSOP Pin Connections 1 32 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 A14 A13 A8 A9 A11 G A10 E DQ7 9 M29F040 25 17 AI01378 A11 A9 A8 A13 A14 A17 W VCC A18 A16 A15 A12 A7 A6 A5 A4 A12 A15 A16 A18 VCC W A17 1 32 8 9 M29F040 (Normal) 25 24 16 17 AI01379 G A10 E DQ7 DQ6 DQ5 DQ4 DQ3 VSS DQ2 DQ1 DQ0 A0 A1 A2 A3 Figure 2C. TSOP Reverse Pin Connections DQ1.