h57v2562gtr Hynix Semiconductor, h57v2562gtr Datasheet - Page 7

• Manufacturer Part Number: h57v2562gtr
• Description: 256mb Synchronous Dram Based 4bank
• Manufacturer: Hynix Semiconductor

FUNCTIONAL BLOCK DIAGRAM
4Mbit x 4banks x 16 I/O Synchronous DRAM
Rev 1.0 / Aug. 2009
LDQM,
UDQM
CKE
CLK
RAS
CAS
BA0
WE
A12
BA1
CS
A0
A1
Bank Select
Refresh
logic & timer
Self refresh
Row Active
Column
Active
Register
Address
Mode Register
Decoder
Internal Row
Column Add
Row
Pre
Decoder
Counter
Column
Counter
Pre
CAS Latency
Counter
Burst
4M x16 Bank3
Synchronous DRAM Memory 256Mbit
4M x16 Bank2
4M x16 Bank1
Data Out Control
4M x16 Bank0
Y decoerders
Memory
Array
Cell
H57V2562GTR Series
Pipe Line
Control
DQ15
DQ0
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