EP20K200C Datasheet, PDF (62/90 Pages) Altera Corporation – Programmable Logic

APEX 20KC Programmable Logic Device Data Sheet
Table 32. SSTL-3 Class II Specifications
Symbol
V_CCIO
V_TT
V_REF
V_IH
V_IL
V_OH
V_OL
Parameter
Conditions
I/O supply voltage
Termination voltage
Reference voltage
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
I_OH = –16 mA (1)
I_OL = 16 mA (2)
Minimum Typical Maximum Units
3.0
3.3
3.6
V
V_REF – 0.05 V_REF V_REF + 0.05
V
1.3
1.5
1.7
V
V_REF + 0.2
V_CCIO + 0.3
V
–0.3
V_REF – 0.2
V
V_TT + 0.8
V
V_TT – 0.8
V
Table 33. HSTL Class I I/O Specifications
Symbol
V_CCIO
V_TT
V_REF
V_IH
V_IL
V_OH
V_OL
Parameter
Conditions
I/O supply voltage
Termination voltage
Reference voltage
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
I_OH = –8 mA (1)
I_OL = 8 mA (2)
Minimum Typical Maximum Units
1.71
1.8
1.89
V
V_REF – 0.05 V_REF V_REF + 0.05
V
0.68
0.75
0.90
V
V_REF + 0.1
V_CCIO + 0.3
V
–0.3
V_REF – 0.1
V
V_CCIO – 0.4
V
0.4
V
62
Altera Corporation