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Altera Stratix - Page 265

Altera Stratix
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Altera Corporation 6–7
July 2005 Stratix Device Handbook, Volume 2
DSP Blocks in Stratix & Stratix GX Devices
Figure 6–4. Shift Register Chain
CLRN
D
Q
ENA
Data A
Data B
A[n] × B[n]
CLRN
D
Q
ENA
CLRN
D
Q
ENA
CLRN
D
Q
ENA
shiftouta
shiftoutb
A[n - 1] × B[n - 1]
CLRN
D
Q
ENA
CLRN
D Q
ENA
CLRN
D
Q
ENA
shiftouta
shiftoutb
A[n - 2] × B[n - 2]
CLRN
D
Q
ENA
CLRN
D
Q
ENA
DSP Block 0
DSP Block 1
shiftouta
shiftoutb

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