Functional Block Diagram; 1Mx16 Synchronous Dram - NAD C715 Service Manual

For orignal dab module up to s/n a86c71512400
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FUNCTIONAL BLOCK DIAGRAM

1Mx16 Synchronous DRAM

Refresh
Interval Timer
Address[0:10]
CLK
CKE
BA(A11)
CS
RAS
CAS
WE
UDQM
LDQM
Self Refresh Counter
Refresh
Counter
Address
Precharge
Register
Row Active
Column Active
Burst Length
Counter
Mode Register
512Kx16
Bank 0
Sense AMP & I/O gates
Column Decoder
Column Addr.
Latch & Counter
Overflow
Column Decoder
Sense AMP & I/O gates
512Kx16
Bank 1
Test Mode
2-10
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
I/O Control

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