M28W431 Overview
The M28W431 Flash memory is a non-volatile memorythat may be erased electricallyat the block level and programmed by byte. The interface is directly patible with most microprocessors. The device is offered in TSOP40 (10 x 20mm) package. Signal Names A0-A18 DQ0-DQ7 E G W WP RP VPP VCC VSS B28W431/808 plete data available on DATA-on-DISC CD-ROM or at .st. VCC VPP 19 A0-A18 RP W E M28W431 8 DQ0-DQ7 Address Inputs Data Input / Outputs Chip Enable Output Enable Write Enable Write Protect Reset/Power Down/Boot Block Unlock Program & Erase Supply Voltage Supply Voltage Ground G WP VSS AI01714B 1/2 .. M28W431 TSOP Pin Connections Ordering Information Scheme For a list of available options or for further information on any aspect of this device, please contact the STMicroelectronics Sales Office nearestto you.