
Preliminary Data Sheet
September 2001
High-Voltage Ringing SLIC for VoIP Applications
L9500A
Agere Systems Inc.
17
Electrical Characteristics
(continued)
Table 14. Logic Inputs and Outputs (V
CC
= 5 V)
Table 15. Logic Inputs and Outputs (V
CC
= 3.3 V)
Table 16. Ground Start
Parameter
Symbol
V
IL
V
IH
Min
Typ
Max
Unit
Input Voltages:
Low Level
High Level
Input Current:
Low Level (V
CC
= 5.25 V, V
I
= 0.4 V)
High Level (V
CC
= 5.25 V, V
I
= 2.4 V)
Output Voltages (open collector with internal pull-up resistor):
Low Level (V
CC
= 4.75 V, I
OL
= 360
μ
A)
High Level (V
CC
= 4.75 V, I
OH
= –20
μ
A)
–0.5
2.0
0.4
2.4
0.7
V
CC
V
V
I
IL
I
IH
—
—
—
—
±100
±75
μ
A
μ
A
V
OL
V
OH
0
2.4
0.2
—
0.4
V
CC
V
V
Parameter
Symbol
V
IL
V
IH
Min
Typ
Max
Unit
Input Voltages:
Low Level
High Level
Input Current:
Low Level (V
CC
= 3.46 V, V
I
= 0.4 V)
High Level (V
CC
= 3.46 V, V
I
= 2.4 V)
Output Voltages (open collector with internal 60 k
pull-up resistor):
Low Level (V
CC
= 3.13 V, I
OL
= 360
μ
A)
High Level (V
CC
= 3.13 V, I
OH
= –5
μ
A)
–0.5
2.0
0.2
2.5
0.5
V
CC
V
V
I
IL
I
IH
—
—
—
—
±50
±50
μ
A
μ
A
V
OL
V
OH
0
2.2
0.2
—
0.5
V
CC
V
V
Parameter
Min
150
—
Typ
—
13
Max
—
—
Unit
k
mA
Tip Open Mode—Tip Input Impedance
Threshold
Hysteresis:
V
CC
= 5 V
V
CC
= 3.3 V
—
—
2
2
—
—
mA
mA