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Part Name
Description
HY57V56820CLT View Datasheet(PDF) - Hynix Semiconductor
Part Name
Description
Manufacturer
HY57V56820CLT
4 Banks x 8M x 8Bit Synchronous DRAM
Hynix Semiconductor
HY57V56820CLT Datasheet PDF : 12 Pages
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FUNCTIONAL BLOCK DIAGRAM
8Mbit x 4banks x 8 I/O Synchronous DRAM
HY57V56820C(L)T
Self refresh logic
& timer
Internal Row
counter
CLK
CKE
CS
RAS
CAS
WE
DQM
Row active
Row
Pre
Decoders
refresh
Column
Active
Column
Pre
Decoders
8Mx8 Bank3
8Mx8 Bank2
8Mx8 Bank1
8Mx8 Bank0
Memory
Cell
Array
Y decoders
Bank Select
Column Add
Counter
A0
Address
A1
Registers
Burst
Counter
DQ0
DQ1
DQ6
DQ7
A12
BA0
BA1
Mode Registers
CAS Latency
Data Out Control
Pipe Line Control
Rev. 0.4 / July 2003
3
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