M28R400CB

M28R400CT M28R400CB 4 Mbit (256Kb x16, Boot Block) 1.8V Supply Flash Memory FEATURES SUMMARY ■ SUPPLY VOLTAGE – VDD = 1.65V to 2.2V Core Power Supply – VDDQ= 1.65V to 2.2V for Input/Output – VPP = 12V for fast Program (optional) ■ ACCESS TIMES: 90ns, 120ns ■ PROGRAMMING TIME – 10µs typical – Double Word Programming Option ■ COMMON FLASH INTERFACE – 64 bit Security Code ■ MEMORY BLOCKS – Parameter Blocks (Top or Bottom location) – Main Blocks ■ BLOCK LOCKING – All blocks locked at Power Up – Any combination of blocks can be locked – WP for Block Lock-Down ■ SECURITY – 64 bit user Programmable OTP cells – 64 bit unique device identifier – One Parameter Block Permanently Lockable ■ AUTOMATIC STAND-BY MODE ■ PROGRAM and ERASE SUSPEND ■ 100,000 PROGRAM/ERASE CYCLES per BLOCK ■ ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Top Device Code, M28R400CT: 882Ah – Bottom Device Code, M28R400CB: 882Bh Figure 1. Package FBGA TFBGA46 (ZB) 6...