AT49BV320C Datasheet, PDF (1/32 Pages) ATMEL Corporation – 32-megabit (2M x 16) 3-volt Only Flash Memory

Features
• Single Voltage Read/Write Operation: 2.65V to 3.6V
• Access Time – 70 ns
• Sector Erase Architecture
– Sixty-three 32K Word (64K Bytes) Sectors with Individual Write Lockout
– Eight 4K Word (8K Bytes) Sectors with Individual Write Lockout
• Fast Word Program Time – 12 µs
• Fast Sector Erase Time – 300 ms
• Suspend/Resume Feature for Erase and Program
– Supports Reading and Programming from Any Sector by Suspending Erase
of a Different Sector
– Supports Reading Any Word by Suspending Programming of Any Other Word
• Low-power Operation
– 12 mA Active
– 13 µA Standby
• VPP Pin for Write Protection
• WP Pin for Sector Protection
• RESET Input for Device Initialization
• Flexible Sector Protection
• TSOP and CBGA Package Options
• Top or Bottom Boot Block Configuration Available
• 128-bit Protection Register
• Minimum 100,000 Erase Cycles
• Common Flash Interface (CFI)
Description
The AT49BV320C(T) is a 2.7-volt 32-megabit Flash memory organized as 2,097,152
words of 16 bits each. The memory is divided into 71 sectors for erase operations.
The device is offered in a 48-lead TSOP and a 47-ball CBGA package. The device has
CE and OE control signals to avoid any bus contention. This device can be read or
reprogrammed using a single power supply, making it ideally suited for in-system
programming.
32-megabit
(2M x 16)
3-volt Only
Flash Memory
AT49BV320C
AT49BV320CT
Pin Configurations
Pin Name
A0 - A20
CE
OE
WE
RESET
VPP
I/O0 - I/O15
NC
VCCQ
WP
Function
Addresses
Chip Enable
Output Enable
Write Enable
Reset
Write Protection
Data Inputs/Outputs
No Connect
Output Power Supply
Write Protect
Rev. 3372D–FLASH–5/04
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