M74DW66500B 数据手册 ( 数据表 ) - STMicroelectronics

SUMMARY DESCRIPTION
   The M74DW66500B is a low voltage Multiple Memory Product which combines two memory devices; a 64 Mbit Multiple Bank, Boot Block Flash memory (M29DW640D) and a 32 Mbit Pseudo SRAM. This document should be read in conjunction with the M29DW640D and M69AW048B datasheets.
   Recommended operating conditions do not allow more than one of the internal memory devices to be active at the same time.
   The memory is offered in an LFBGA73 (8 x 11.6mm, 0.8 mm pitch) package and is supplied with all the bits erased (set to ‘1’).

FEATURES SUMMARY
◾ MULTIPLE MEMORY PRODUCT
   – Two 64Mbit (8M x8 or 4M x16), Multiple Bank,
      Page, Boot Block, Flash Memories
   – 32Mbit (2M x 16) Pseudo Static RAM
◾ SUPPLY VOLTAGE
   – VCCF = VCCP = 2.7 to 3.3V
   – VPPF = 12V for Fast Program (optional)
◾ ACCESS TIME: 70, 90ns
◾ LOW POWER CONSUMPTION
◾ ELECTRONIC SIGNATURE
   – Manufacturer Code: 0020h
   – Device Code: 227Eh + 2202h + 2201h