ep1k30 Altera Corporation, ep1k30 Datasheet - Page 51

• Manufacturer Part Number: ep1k30
• Description: Programmable Logic Device Family
• Manufacturer: Altera Corporation

Altera Corporation
Figure 24. ACEX 1K Device Timing Model
Figure 25. ACEX 1K Device LE Timing Model
Clock/Input
Dedicated
Control-In
Data-In
Carry-In
Figure 24
to and from the various elements of the ACEX 1K device.
Figures 25
and functions within the LE, IOE, EAB, and bidirectional timing models.
Packed Register
Register Control
Carry Chain
t
t
t
t
t
t
t
t
t
LUT Delay
PACKED
LUT
RLUT
CLUT
C
EN
CGEN
CGENR
CICO
shows the overall timing model, which maps the possible paths
Delay
Delay
Delay
through
t
Element
Cascade-In
LABCARRY
Carry-Out
Logic
ACEX 1K Programmable Logic Device Family Data Sheet
28
show the delays that correspond to various paths
Interconnect
Cascade-Out
t
LABCASC
t
CASC
Embedded Array
Block
Register
Delays
t
t
t
t
t
t
COMB
H
PRE
CLR
CO
SU
Data-Out
I/O Element
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