AT49BV8192A-11CI集成电路（IC）的存储器规格书PDF中文资料

描述 Description

The AT49BV008A(T) and AT49BV8192A(T) are 3-volt, 8-megabit Flash memories organized as 1,048,576 words of 8 bits each or 512K words of 16 bits each. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the devices offer access times to 90 ns with power dissipation of just 67 mW at 2.7V read. When deselected, the CMOS standby current is less than 50 µA.

特性 Features

• Single-voltage Read/Write Operation: 2.7V to 3.6V (BV), 3.0V to 3.6V (LV)

• Fast Read Access Time – 90 ns

• Internal Erase/Program Control

• Sector Architecture

– One 8K Word (16K Bytes) Boot Block with Programming Lockout

– Two 4K Word (8K Bytes) Parameter Blocks

– One 496K Word (992K Bytes) Main Memory Array Block

• Fast Sector Erase Time – 10 seconds

• Byte-by-byte or Word-by-word Programming – 30 µs Typical

• Hardware Data Protection

• Data Polling for End of Program Detection

• Low Power Dissipation

– 25 mA Active Current

– 50 µA CMOS Standby Current

• Typical 10,000 Write Cycles