at52br3244 ATMEL Corporation, at52br3244 Datasheet - Page 3

• Manufacturer Part Number: at52br3244
• Description: 32-megabit 2m X 16 Flash +4-megabit 256k X 16 / 8-megabit 512k X 16 Sram Stack Memory
• Manufacturer: ATMEL Corporation

Description
The AT52BR3244(T) combines a 32-megabit Flash (2M x 16) and a 4-megabit SRAM in a stacked 66-ball CBGA package.
The AT52BR3248(T) combines a 32-megabit Flash (2M x 16) and a 8-megabit SRAM in a stacked 66-ball CBGA package.
The devices operate at 2.7V to 3.3V in the industrial temperature range. They use a 32-megabit Flash with dual plane
architecture for concurrent read/write operations. It is organized as 24M + 8M for planes A and B, respectively. The
4-megabit SRAM is organized as 256K x 16, while the 8-megabit SRAM is organized as 512K x 16.
Block Diagram
Absolute Maximum Ratings
DC and AC Operating Range
2471E–STKD–10/02
Temperature under Bias .................................. -40°C to +85°C
Storage Temperature ..................................... -55°C to +150°C
All Input Voltages
except V
(including NC Pins)
with Respect to Ground .....................................-0.2V to +3.3V
Voltage on V
with Respect to Ground ..................................-0.2V to + 6.25V
Voltage on RESET
with Respect to Ground ...................................-0.2V to +13.5V
All Output Voltages
with Respect to Ground .....................................-0.2V to +0.2V
Operating Temperature (Case)
V
CC
Power Supply
PP
and RESET
PP
RDY/BUSY
RESET
Industrial
CE
OE
32-Mbit
FLASH
WE
ADDRESS
AT52BR3244(T)-85, -90
DATA
-40°C - 85°C
2.7V to 3.3V
*NOTICE:
4/8-Mbit
SRAM
SOE
AT52BR3244(T)/3248(T)
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability.
SWE
SCS1
SCS2
AT52BR3248(T)-85, -90
-40°C - 85°C
2.7V to 3.3V
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