at49bv320a ATMEL Corporation, at49bv320a Datasheet - Page 4

• Manufacturer Part Number: at49bv320a
• Description: 32-megabit 2m X 16/4m X 8 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

4
Block Diagram
A0 - A20
AT49BV32XA(T)
Y-DECODER
X-DECODER
ADDRESS
BUFFER
LATCH
INPUT
OUTPUT
BUFFER
COMPARATOR
I/O0 - I/O15/A-1
MEMORY
IDENTIFIER
REGISTER
REGISTER
Y-GATING
STATUS
MAIN
DATA
BUFFER
INPUT
WRITE STATE
COMMAND
REGISTER
MACHINE
PROGRAM/ERASE
VOLTAGE SWITCH
3308D–FLASH–5/03
CE
WE
OE
RESET
BYTE
RDY/BUSY
VPP
VCC
GND