AT49BV3218 Datasheet, PDF (3/25 Pages) ATMEL Corporation – 32-megabit (2M x 16/4M x 8) 3-volt Only Flash Memory

Block Diagram
I/O0 - I/O15/A-1
AT49BV/LV3218(T)
OUTPUT
BUFFER
INPUT
BUFFER
A0 - A20
INPUT
BUFFER
ADDRESS
LATCH
Y-DECODER
X-DECODER
IDENTIFIER
REGISTER
STATUS
REGISTER
DATA
COMPARATOR
Y-GATING
PLANE B
SECTORS
COMMAND
REGISTER
WRITE STATE
MACHINE
PROGRAM/ERASE
VOLTAGE SWITCH
CE
WE
OE
RESET
BYTE
RDY/BUSY
VPP
VCC
GND
PLANE A SECTORS
3
2452F–FLASH–10/02