ep1k30 Altera Corporation, ep1k30 Datasheet - Page 54

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

ACEX 1K Programmable Logic Device Family Data Sheet
Figure 30. EAB Synchronous Timing Waveforms
54
t
t
t
t
t
t
t
t
LUT
CLUT
RLUT
PACKED
EN
CICO
CGEN
CGENR
Table 22. LE Timing Microparameters (Part 1 of 2)
EAB Synchronous Read
EAB Synchronous Write (EAB Output Registers Used)
Data-Out
Data-Out
Symbol
Address
Address
Data-In
CLK
CLK
WE
WE
a0
t
EABDATASU
a0
LUT delay for data-in
LUT delay for carry-in
LUT delay for LE register feedback
Data-in to packed register delay
LE register enable delay
Carry-in to carry-out delay
Data-in to carry-out delay
LE register feedback to carry-out delay
t
EABWESU
din1
a1
Tables 22
parameters.
dout0
a1
t
through
EABDATAH
t
EABDATASU
dout1
Parameter
din2
26
a2
describe the ACEX 1K device internal timing
t
t
EABDATAH
t
EABDATACO
EABWCREG
Note (1)
din1
din3
t
a3
EABWEH
t
a2
EABDATACO
t
EABRCREG
din2
d1
Altera Corporation
din3
a2
Conditions
a3
d2
din2