Altera Stratix - Page 279

Altera Corporation 6–21
July 2005 Stratix Device Handbook, Volume 2
DSP Blocks in Stratix & Stratix GX Devices
Figure 6–11. 36-Bit Multiplier
CLRN
D
Q
ENA
A[17..0]
A[17..0]
B[17..0]
B[17..0]
A[35..18]
A[35..18]
B[35..18]
B[35..18]
signa
signb
CLRN
D
Q
ENA
CLRN
D
Q
ENA
CLRN
D
Q
ENA
CLRN
D
Q
ENA
CLRN
D Q
ENA
CLRN
D
Q
ENA
CLRN
D Q
ENA
CLRN
D
Q
ENA
CLRN
D
Q
ENA
CLRN
D Q
ENA
CLRN
D
Q
ENA
CLRN
D
Q
ENA
Data Out
Partial
Product
Summation
Block
A
B
C
D