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AT45BR3214B.pdf Datasheet, PDF (1/40 Pages) – | |||
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Features
⢠32-Mbit DataFlash and 4-Mbit SRAM
⢠Single 62-ball (8 mm x 12 mm x 1.2 mm) CBGA Package
⢠2.7V to 3.3V Operating Voltage
DataFlash
⢠Single 2.7V to 3.3V Supply
⢠Serial Peripheral Interface (SPI) Compatible
⢠20 MHz Max Clock Frequency
⢠Page Program Operation
â Single Cycle Reprogram (Erase and Program)
â 8192 Pages (528 Bytes/Page) Main Memory
⢠Supports Page and Block Erase Operations
⢠Two 528-byte SRAM Data Buffers â Allows Receiving of Data
while Reprogramming of Nonvolatile Memory
⢠Continuous Read Capability through Entire Array
â Ideal for Code Shadowing Applications
⢠Low Power Dissipation
â 4 mA Active Read Current Typical
â 2 µA CMOS Standby Current Typical
⢠Hardware Data Protection Feature
⢠Industrial Temperature Range
SRAM
⢠4-megabit (256K x 16)
⢠2.7V to 3.3V VCC
⢠70 ns Access Time
⢠Fully Static Operation and Tri-state Output
⢠1.2V (Min) Data Retention
⢠Industrial Temperature Range
32-megabit
DataFlash®
+ 4-megabit
SRAM
Stack Memory
AT45BR3214B
Rev. 3356BâDFLASHâ10/04
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