90
Altera Corporation
APEX 20K Programmable Logic Device Family Data Sheet
Tables 65 through 70 describe fMAX LE Timing Microparameters, fMAX ESB Timing Microparameters, fMAX Routing Delays, Minimum
Pulse Width Timing Parameters, External Timing Parameters, and
External Bidirectional Timing Parameters for EP20K100E APEX
20KE devices.
Table 64. EP20K60E External Bidirectional Timing Parameters
Symbol
-1
-2
-3
Unit
Min
Max
Min
Max
Min
Max
tINSUBIDIR
1.96
1.80
1.60
ns
tINHBIDIR
0.00
ns
tOUTCOBIDIR
2.00
4.84
2.00
5.31
2.00
5.81
ns
tXZBIDIR
6.47
7.44
8.65
ns
tZXBIDIR
6.47
7.44
8.65
ns
tINSUBIDIRPLL
3.44
3.24
-
ns
tINHBIDIRPLL
0.00
-
ns
tOUTCOBIDIRPLL
0.50
3.37
0.50
3.69
-
ns
tXZBIDIRPLL
5.00
5.82
-
ns
tZXBIDIRPLL
5.00
5.82
-
ns
Table 65. EP20K100E Fmax LE Timing Microparameters
Symbol
-1
-2
-3
Unit
Min
Max
Min
Max
Min
Max
tSU
0.25
ns
tH
0.25
ns
tCO
0.28
0.34
ns
tLUT
0.80
0.95
1.13
ns