K5D5657ACM Datasheet, PDF (6/74 Pages) Samsung semiconductor – 256Mb NAND and 256Mb Mobile SDRAM

K5D5657ACM-F015
FUNCTIONAL BLOCK DIAGRAM
PrelAimdvinanacrye
MCP MEMORY
RE
ALE
CLE
WP
CE
R/B
WE
Vcc
Vccq
Vss
CLK
CKE
CS
RAS
CAS
WEd
A0~A12
BA0~BA1
LDQM
UDQM
Vdd
Vddq
Vss
Vssq
X-Buffers
Latches
& Decoders
Y-Buffers
Latches
& Decoders
Command
Register
Control Logic
& High Voltage
Generator
256M+8M Bit
NAND flash
ARRAY
(512 + 16)Byte x 65536
page Register & S/A
Y-Gating
I/O Buffers & Latches
Global Buffers
Output
Driver
IO0 to IO7
Bank Select
Data Input Register
4M x 16
4M x 16
4M x 16
4M x 16
Column Decoder
Latency & Burst Length
Programming Register
DQ0d to DQ15d
-6-
Revision 0.1
September 2003