EP3SE50F780I3N Altera, EP3SE50F780I3N Datasheet - Page 124

• Manufacturer Part Number: EP3SE50F780I3N
• Description: Stratix III
• Manufacturer: Altera

Operational Mode Descriptions
Figure 5–12. Double Mode Shown for Half-DSP Block
5–24
Stratix III Device Handbook, Volume 1
dataa_0[35..18]
datab_0[35..18]
datab_0[35..18]
dataa_0[35..18]
datab_0[17..0]
dataa_0[17..0]
dataa_0[17..0]
datab_0[17..0]
clock[3..0]
ena[3..0]
aclr[3..0]
Half-DSP Block
in shifters and adders, a special Double mode (partial 54 × 54 multiplier)
is available that is a slight modification to the basic 36 × 36 Multiplier
mode. This is shown in
signa
signb
+
+
Figure 5–12
and
+
Figure
5–13.
Altera Corporation
72
October 2007
result[ ]