器件名称:
F49B002UA
功能描述:
2 Mbit (256K x 8) 5V Only CMOS Flash Memory
文件大小:
461.76KB 共33页
简 介:
EFST F49B002UA 2 Mbit (256K x 8) 5V Only CMOS Flash Memory 1. FEATURES Single supply voltage 5V ±10% Fast access time: 70/90 ns z Compatible with JEDEC standard - Pin-out, packages and software commands compatible with single-power supply Flash z Low power consumption - 25mA maximum active current - 25uA typical standby current z 100,000 program/erase cycles typically z Command register architecture - Byte programming (10us typical) - Sector Erase( sector structure: 16KB, 8KB, 8KB, 96KB, 128KB ) z Auto Erase (chip & sector) and Auto Program - Sector erase and Chip erase. - Automatically program and verify data at specified address z z z z z End of program or erase detection - Data polling - Toggle bits Boot Sector Architecture - U = Upper Boot Sector Packages available: - 32-pin PDIP - 32-pin PLCC 2. ORDERING INFORMATION Part No F49B002UA-70D F49B002UA-70N Boot Upper Upper Speed 70 ns 70 ns Package PDIP PLCC Part No F49B002UA-90D F49B002UA-90N Boot Upper Upper Speed 90 ns 90 ns Package PDIP PLCC 3. GENERAL DESCRIPTION The F49B002UA is a 2 Megabit, 5V only CMOS Flash memory device organized as 256K bytes of 8 bits. This device is packaged in standard 32-pin PDIP and 32-pin PLCC. It is designed to be programmed and erased both in system and can in standard EPROM programmers. With access times of 70 ns and 90 ns, the F49B002UA allows the operation of high-speed microprocessors. The device has separate chip enable CE , write enable WE , and output enable OE controls. EFST……
