Service manual

HY57V161610E
Rev. 0.2 / Aug. 2003 3
FUNCTIONAL BLOCK DIAGRAM
1Mx16 Synchronous DRAM
Column Addr.
Latch & Counter
Burst Length
Counter
Refresh
Interval Timer
Refresh
Counter
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
Address
Register
I/O ControlTest ModeMode Register
Self Refresh Counter
Column Decoder
Sense AMP & I/O gates
512Kx16
Bank 0
Column Decoder
Sense AMP & I/O gates
512Kx16
Bank 1
RAS
CAS
CS
WE
UDQM
LDQM
CKE
Precharge
Overflow
Column Active
Row Active
Address[0:10]
CLK
BA(A11)
State Machine
Row Decoder
Row Addr. Latch/Predecoder
Auto/Self Refresh
Ref. Addr.[0:11]
Data Input/Output Buffers
Row Addr. Latch/Predecoder
AVR347 harman/kardon
www.freeservicemanuals.info
It`s Free
www.freeservicemanuals.info