W39L512 Datasheet | Winbond

64K × 8 CMOS FLASH MEMORY 1. GENERAL DESCRIPTION The W39L512 is a 512Kbit, 3.3-volt only CMOS flash memory organized as 64K × 8 bits. For flexible erase capability, the 512Kbits of data are divided into 16 small even pages with 4 Kbytes. The bytewide (× 8) data appears on DQ7 - DQ0. The device can be programmed and erased in-system with a standard 3.3V power supply. A 12-volt VPP is not required. The unique cell architecture of the W39L512 results in fast program/erase operations with extremely low current consumption (pared to other parable 3.3-volt flash memory products). The device can also be programmed and erased by using standard EPROM programmers. 2. Features - Single 3.3-volt operations - 3.3-volt Read - 3.3-volt Erase - 3.3-volt Program - Fast Program operation: - Byte-by-Byte programming: 50 µS (max.) - Fast Erase operation: 100 m S (max.) - Read access time: 70/90 n S - 16 even pages with 4K bytes - Any individual page can be...