51单片机开发板光盘器件库atmel存储器at28c.pdfVIP

AT28C16 Features • Fast Access Time - 150 ns • Fast Byte Write - 200 µs or 1 ms • Self-Timed Byte Write Cycle Internal Address and Data Latches Internal Control Timer Automatic Clear Before Write • Direct Microprocessor Control DATA POLLING • Low Power 30 mA Active Current 16K (2K x 8) 100 µA CMOS Standby Current • High Reliability CMOS 4 5 Endurance: 10 or 10 Cycles 2 Data Retention: 10 Years E PROM • 5V ± 10% Supply • CMOS & TTL Compatible Inputs and Outputs • JEDEC Approved Byte Wide Pinout • Commercial and Industrial Temperature Ranges Description The AT28C16 is a low-power, high-performance Electrically Erasable and Program- mable Only Memory with easy to use features. The AT28C16 is a 16K memory organized as 2,048 words by 8 bits. The device is manufactured with Atmel’s reliable nonvolatile CMOS technology. The AT28C16 is accessed like a static RAM for the or write cycles without the need of external components. During a byte write, the address and data are latched (continued) Pin Configurations Pin Name Function A0 - A10 Addresses CE Chip Enable OE Output Enable WE Write Enable I/O0 - I/O7 Data Inputs/Outputs NC No Connect DC Don’t Connect PLCC PDIP, SOIC Top View