AT49BV8011 Datasheet, PDF (1/18 Pages) ATMEL Corporation – 8-megabit (512K x 16/1M x 8) 3-volt Only Flash Memory

Features
• Single Supply for Read and Write: 2.7V to 3.3V (BV), 3.0V to 3.3V (LV)
• Access Time – 90 ns
• Sector Erase Architecture
Fourteen 32K Word (64K Byte) Sectors with Individual Write Lockout
Two 16K Word (32K Byte) Sectors with Individual Write Lockout
Two 8K Word (16K Byte) Sectors with Individual Write Lockout
Four 4K Word (8K Byte) Sectors with Individual Write Lockout
• Fast Word Program Time – 20 µs
• Fast Sector Erase Time – 200 ms
• Dual Plane Organization, Permitting Concurrent Read while Program/Erase
Memory Plane A: Four 4K Word, Two 8K Word and Two 16K Word Sectors
Memory Plane B: Fourteen 32K Word Sectors
• Erase Suspend Capability
– Supports Reading/Programming Data from Any Sector by Suspending Erase of
Any Different Sector
• Low-power Operation
– 25 mA Active
– 10 µA Standby
• Data Polling, Toggle Bit, Ready/Busy for End of Program Detection
• Optional VPP Pin for Fast Programming
• RESET Input for Device Initialization
• Sector Program Unlock Command
• TSOP and CBGA Package Options
• Top or Bottom Boot Block Configuration Available
Description
The AT49BV/LV8011(T) is a 2.7- to 3.3-volt 8-megabit Flash memory organized as
524,288 words of 16 bits each or 1,048,576 bytes of 8 bits each. The x16 data
appears on I/O0 - I/O15; the x8 data appears on I/O0 - I/O7. The memory is divided
into 22 sectors for erase operations. The device is offered in 48-pin TSOP and 48-ball
CBGA packages. The device has CE, and OE control signals to avoid any bus
Pin Configurations
(continued)
Pin Name
A0 - A18
CE
OE
WE
RESET
RDY/BUSY
VPP
I/O0 - I/O14
I/O15 (A-1)
BYTE
NC
VCCQ
Function
Addresses
Chip Enable
Output Enable
Write Enable
Reset
READY/BUSY Output
Optional Power Supply for Faster
Program/Erase Operations
Data Inputs/Outputs
I/O15 (Data Input/Output, Word Mode)
A-1 (LSB Address Input, Byte Mode)
Selects Byte or Word Mode
No Connect
Output Power Supply
8-megabit
(512K x 16/1M x 8)
3-volt Only
Flash Memory
AT49BV8011
AT49BV8011T
AT49LV8011
AT49LV8011T
Rev. 1265E–01/00
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