at52bc3221a ATMEL Corporation, at52bc3221a Datasheet - Page 3

• Manufacturer Part Number: at52bc3221a
• Description: 32-mbit Flash 8-mbit Psram Stack Memory
• Manufacturer: ATMEL Corporation

3466A–STKD–11/04
Block Diagram
Description
Absolute Maximum Ratings
DC and AC Operating Range
Temperature under Bias................................... -25°C to +85°C
Storage Temperature ..................................... -55°C to +150°C
All Input Voltages
except V
with Respect to Ground ..............................-0.2V to V
Voltage on V
with Respect to Ground ..................................-0.2V to + 6.25V
All Output Voltages
with Respect to Ground ..............................-0.2V to V
Operating Temperature (Case)
V
CC
Power Supply
PP
(including NC Pins)
PP
The AT52BC3221A(T) combines a 32-megabit Flash (2M x 16) and an 8-megabit PSRAM
(organized as 512K x 16) in a stacked 66-ball CBGA package. The stacked modules operate
at 2.7V to 3.3V in the extended temperature range.
RDY/BUSY
RESET
CC
CC
CE
+0.3V
+0.3V
OE
32-Mbit
FLASH
*NOTICE:
WE
ADDRESS
DATA
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.
4/8-Mbit
PSRAM
POE
-25°C - 85°C
2.7V to 3.3V
PWE
PCS1
ZZ
3