AT52BR6408A Datasheet, PDF (1/37 Pages) ATMEL Corporation – 64-Mbit Flash, 8-Mbit SRAM (x16 I/O)

Stack Module Features
• 64-Mbit Flash + 8-Mbit SRAM
• Power Supply of 2.7V to 3.1V
• Data I/O x16
• 66-ball CBGA Package
64-Mbit Flash Features
• 64-megabit (4M x 16) Flash Memory
• 2.7V - 3.1V Read/Write
• High Performance
– Asynchronous Access Time – 70, 85 ns
• Sector Erase Architecture
– Eight 4K Word Sectors with Individual Write Lockout
– 32K Word Main Sectors with Individual Write Lockout
• Typical Sector Erase Time: 32K Word Sectors – 500 ms; 4K Word Sectors – 100 ms
• 64M, Four Plane Organization, Permitting Concurrent Read in Any of Three Planes not
Being Programmed/Erased
– Memory Plane A: 16M of Memory Including Eight 4K Word Sectors
– Memory Plane B: 16M of Memory Consisting of 32K Word Sectors
– Memory Plane C: 16M of Memory Consisting of 32K Word Sectors
– Memory Plane D: 16M of Memory Consisting of 32K Word Sectors
• Suspend/Resume Feature for Erase and Program
– Supports Reading and Programming Data from Any Sector by Suspending Erase
of a Different Sector
– Supports Reading Any Word by Suspending Programming of Any Other Word
• Low-power Operation
– 30 mA Active
– 10 µA Standby
• 1.8V I/O Option Reduces Overall System Power
• Data Polling and Toggle Bit for End of Program Detection
• VPP Pin for Write Protection and Accelerated Program/Erase Operations
• RESET Input for Device Initialization
• Top or Bottom Boot Block Configuration Available
• 128-bit Protection Register
• Common Flash Interface (CFI)
64-Mbit Flash,
8-Mbit SRAM
(x16 I/O)
AT52BR6408A
AT52BR6408AT
Preliminary
8-Mbit SRAM Features
• 8-Mbit (512K x 16)
• 2.7V to 3.1V V_CC Operation
• 70 ns Access Time
• Low-power
– 2 mA Typical (Active)
– 1 µA Typical (Standby)
• Industrial Temperature Range
Stack Module Description
The AT52BR6408A(T) consists of a 64-Mbit Flash stacked with an 8-Mbit SRAM in a
single CBGA package.
Stack Module Memory Contents
Device
Memory Combination
AT52BR6408A(T)
64M Flash + 8M SRAM
Flash Read Access
Asynchronous, Page Mode
Rev. 3425A–STKD–1/04
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