AT45BR3214B.pdf Datasheet, PDF (3/40 Pages) –

Block Diagram
AT45BR3214B
SI WP ADDRESS
SOE SWE
RESET
CS
SCK
RDY/BUSY
32-Mbit
DataFlash
4-Mbit
SRAM
SCS1
SCS2
SO
DATA (I/O0 - I/O15)
Description
The AT45BR3214B combines a 32-megabit DataFlash (32M x 1) and a 4-megabit
SRAM (organized as 256K x 16) in a stacked 62-ball CBGA package. The stacked mod-
ule operates at 2.7V to 3.3V in the industrial temperature range.
Absolute Maximum Ratings
Temperature under Bias .................................. -40°C to +85°C
Storage Temperature ..................................... -55°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground .....................................-0.2V to +3.3V
All Output Voltages
with Respect to Ground .....................................-0.2V to +0.2V
*NOTICE:
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.
DC and AC Operating Range
Operating Temperature (Case)
V_CC Power Supply
Industrial
AT45BR3214B
-40°C - 85°C
2.7V to 3.3V
3
3356B–DFLASH–10/04