EP20K400CF672C7 Altera, EP20K400CF672C7 Datasheet - Page 72

• Manufacturer Part Number: EP20K400CF672C7
• Description: APEX 20KC
• Manufacturer: Altera

APEX 20KC Programmable Logic Device Data Sheet
Note to
(1)
(2)
72
LVDS
CTT
AGP
LVCMOS
LVTTL
2.5 V
1.8 V
PCI
GTl+
SSTL-3 Class I
SSTL-3 Class II
SSTL-2 Class I
SSTL-2 Class II
LVDS
CTT
AGP
Table 42. APEX 20KC Selectable I/O Standard Input Adder Delays (Part 2 of 2)
Table 43. APEX 20KC Selectable I/O Standard Output Adder Delays
These delays report the differences in delays for different I/O standards. Add the delay for the I/O standard that
is used to the external timing parameters.
See
Tables 42
Figure 36
Symbol
Symbol
for more information.
and 43:
Input adder delay for the LVDS I/O standard
Input adder delay for the CTT I/O standard
Input adder delay for the AGP I/O standard
Output adder delay for the LVCMOS I/O standard
Output adder delay for the LVTTL I/O standard
Output adder delay for the 2.5-V I/O standard
Output adder delay for the 1.8-V I/O standard
Output adder delay for the PCI I/O standard
Output adder delay for the GTL+ I/O standard
Output adder delay for the SSTL-3 Class I I/O standard Cload1 = 0 pF
Output adder delay for the SSTL-3 Class II I/O standard Cload1 = 0 pF
Output adder delay for the SSTL-2 Class I I/O standard
Output adder delay for the SSTL-2 Class II I/O standard
Output adder delay for the LVDS I/O standard
Output adder delay for the CTT I/O standard
Output adder delay for the AGP I/O standard
Parameter
Parameter
Note (1)
Cload = 35 pF
Rup = 564.5 Ω
Rdn = 430 Ω
Cload = 35 pF
Rup = 450 Ω
Rdn = 450 Ω
Cload = 35 pF
Rup = 520 Ω
Rdn = 480 Ω
Cload = 10 pF
Rup = 1M Ω
Rdn = 25 Ω
Cload = 30 pF
Rup = 25 Ω
Cload2 = 30 pF
R = 25 Ω
Cload2 = 30 pF
R = 25 Ω
Cload = 4 pF
R=100 Ω
Note (1)
Altera Corporation
Condition
Condition
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)