HC20K400 Datasheet, PDF (30/36 Pages) Altera Corporation – HardCopy APEX Device Family

HardCopy Series Handbook, Volume 1
Table 10–18. LVPECL Specifications (Part 2 of 2)
Symbol
V_OL
V_ID
V_OD
t_r, t_f
t_DSKEW
t_O
R_L
Parameter
High-level output
voltage
Input voltage
differential
Output voltage
differential
Rise and fall time
(20 to 80%)
Differential skew
Output load
Receiver differential
input resistor
Minimum
2,275
400
625
85
Typical
600
800
150
100
Maximum
2,420
950
950
325
25
Units
mV
mV
mV
ps
ps
Ω
Ω
Table 10–19. 3.3-V AGP I/O Specifications
Symbol
V_{C CIO}
V_{R EF}
V_IH
V_IL
V_OH
V_OL
I_I
Parameter
I/O supply voltage
Reference voltage
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
Input pin leakage
current
Conditions
I_OUT = –500 μA
I_OUT = 1500 μA
0 < V_IN < V_CCIO
Minimum
3.15
0.39 × V_CCIO
0.5 × V_CCIO
Typical
3.3
Maximum
3.45
0.41 × V_CCIO
V_CCIO + 0.5
Units
V
V
V
0.3 × V_CCIO
V
0.9 × V_CCIO
3.6
V
0.1 × V_CCIO
V
–10
10
μΑ
Table 10–20. CTT I/O Specifications (Part 1 of 2)
Symbol
Parameter
V_{C CIO}
V_TT/V_REF (3)
V_IH
I/O supply voltage
Termination and
reference voltage
High-level input
voltage
Conditions
Minimum
3.0
1.35
Typical
3.3
1.5
Maximum
3.6
1.65
Units
V
V
V_REF + 0.2
V
10–10
Altera Corporation
September 2008