HC20K400 Datasheet, PDF (31/36 Pages) Altera Corporation – HardCopy APEX Device Family

Recommended Operating Conditions
Table 10–20. CTT I/O Specifications (Part 2 of 2)
Symbol
Parameter
Conditions
Minimum Typical Maximum Units
V_IL
Low-level input
voltage
I_I
Input pin leakage
0 < V_IN < V_CCIO
–10
current
V_OH
High-level output
I_OH = –8 mA (1)
V_REF + 0.4
voltage
V_OL
Low-level output
I_OL = 8 mA (2)
voltage
I_O
Output leakage
GND ≤V_OUT ≤V_CCIO
–10
current (when output
is high Z)
V_REF – 0.2
V
10
μA
V
V_REF – 0.4
V
10
μA
Notes to Tables 10–5 through 10–20:
(1) The I_OH parameter refers to high-level output current.
(2) The I_OL parameter refers to low-level output current. This parameter applies to open-drain pins as well as output
pins.
(3) V_REF specifies center point of switching range.
Altera Corporation
September 2008
10–11