EP2AGX125EF29I5N Datasheet, PDF (57/78 Pages) Altera Corporation – Device Datasheet for Arria II Devices

Chapter 1: Device Datasheet for Arria II Devices
Switching Characteristics
1–57
DSP Block Specifications
Table 1–46 lists the DSP block performance specifications for Arria II GX devices.
Table 1–46. DSP Block Performance Specifications for Arria II GX Devices (Note 1)
Mode
Resources
Used
Number of
Multipliers
C4
Performance
I3
C5,I5
Unit
C6
9 × 9-bit multiplier
1
380
310
300
250
MHz
12 × 12-bit multiplier
1
380
310
300
250
MHz
18 × 18-bit multiplier
1
380
310
300
250
MHz
36 × 36-bit multiplier
1
350
270
270
220
MHz
18 × 36-bit high-precision multiplier
adder mode
1
350
270
270
220
MHz
18 × 18-bit multiply accumulator
4
380
310
300
250
MHz
18 × 18-bit multiply adder
4
380
310
300
250
MHz
18 × 18-bit multiply adder-signed full
precision
2
380
310
300
250
MHz
18 × 18-bit multiply adder with
loopback (2)
2
275
220
220
180
MHz
36-bit shift (32-bit data)
1
350
270
270
220
MHz
Double mode
1
350
270
270
220
MHz
Notes to Table 1–46:
(1) Maximum is for a fully-pipelined block with Round and Saturation disabled.
(2) Maximum is for loopback input registers disabled, Round and Saturation disabled, pipeline and output registers enabled.
Table 1–47 lists the DSP block performance specifications for Arria II GZ devices.
Table 1–47. DSP Block Performance Specifications for Arria II GZ Devices (Note 1) (Part 1 of 2)
Mode
Resources
Used
Performance
Unit
Number of
Multipliers
–3
–4
9 × 9-bit multiplier
1
460
400
MHz
12 × 12-bit multiplier
1
500
440
MHz
18 × 18-bit multiplier
1
550
480
MHz
36 × 36-bit multiplier
1
440
380
MHz
18 × 18-bit multiply accumulator
4
440
380
MHz
18 × 18-bit multiply adder
4
470
410
MHz
18 × 18-bit multiply adder-signed full
precision
2
450
390
MHz
18 × 18-bit multiply adder with
loopback (2)
2
350
310
MHz
36-bit shift (32-bit data)
1
440
380
MHz
July 2012 Altera Corporation
Arria II Device Handbook Volume 3: Device Datasheet and Addendum