EP3SL150F1152C2N Altera, EP3SL150F1152C2N Datasheet - Page 134

• Manufacturer Part Number: EP3SL150F1152C2N
• Description: IC STRATX III FPGA 150K 1152FBGA
• Manufacturer: Altera
• Series: Stratix® IIIr

Specifications of EP3SL150F1152C2N

• Number Of Logic Elements/cells: 142500
• Number Of Labs/clbs: 5700
• Total Ram Bits: 6390
• Number Of I /o: 744
• Voltage - Supply: 0.86 V ~ 1.15 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 1152-FBGA
• For Use With: 544-2568 - KIT DEVELOPMENT STRATIX III
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -
• Other names: 544-2409; EP3SL150F1152C2NES

5–28
Multiply Accumulate Mode
Figure 5–19. Multiply Accumulate Mode for Half-DSP Block
Stratix III Device Handbook, Volume 1
accum_sload
dataa_0[ ]
datab_0[ ]
dataa_1[ ]
datab_1[ ]
dataa_2[ ]
datab_2[ ]
dataa_3[ ]
datab_3[ ]
Half-DSP Block
clock[3..0]
In multiply accumulate mode, the second-stage adder is configured as a 44-bit
accumulator or subtractor. The output of the DSP block is looped back to the
second-stage adder and added or subtracted with the two outputs of the first-stage
adder block according to
to operate in multiply accumulate mode.
ena[3..0]
aclr[3..0]
output_saturate
output_round
Equation
signa
signb
5–3.
Figure 5–19
shows the DSP block configured
Chapter 5: DSP Blocks in Stratix III Devices
chainout_sat_overflow
© March 2010 Altera Corporation
Operational Mode Descriptions
44
result[ ]