ep1s25 Altera Corporation, ep1s25 Datasheet - Page 83
ep1s25
Manufacturer Part Number
ep1s25
Description
Stratix Device Family Data Sheet
Manufacturer
Altera Corporation
Datasheet
1.EP1S25.pdf
(276 pages)
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Figure 2–39. Four-Multipliers Adder Mode
Notes to
(1)
(2)
Altera Corporation
July 2005
These signals are not registered or registered once to match the data path pipeline.
These signals are not registered, registered once, or registered twice for latency to match the data path pipeline.
Data B
Data B
Data B
Data B
Data A
Data A
Data A
Data A
Figure
shiftout B
2–39:
shiftin B
shiftout A
ENA
ENA
ENA
ENA
ENA
ENA
ENA
ENA
D
D
D
D
D
D
D
D
CLRN
CLRN
CLRN
CLRN
CLRN
CLRN
CLRN
CLRN
shiftin A
Q
Q
Q
Q
Q
Q
Q
Q
signa (1)
signb (1)
clock
aclr
ena
ENA
ENA
ENA
ENA
D
D
D
D
CLRN
CLRN
CLRN
CLRN
Q
Q
Q
Q
addnsub1 (2)
addnsub3 (2)
signa (2)
signb (2)
Adder/Subtractor
Adder/Subtractor
Stratix Device Handbook, Volume 1
Summation
D
ENA
CLRN
Stratix Architecture
Q
Data Out
2–69
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