L9214A/G
Low-Cost Ringing SLIC
Preliminary Data Sheet
October 2001
Electrical Characteristics (continued)
Table 13. Logic Inputs and Outputs (VCC = 5.0 V)
Parameter
Symbol
Min
Typ
Max
Unit
Input Voltages:
Low Level
High Level
VIL
VIH
–0.5
2.0
0.4
2.4
0.7
VCC
V
V
Input Current:
Low Level (VCC = 5.25 V, VI = 0.4 V)
High Level (VCC = 5.25 V, VI = 2.4 V)
IIL
IIH
—
—
—
—
±250
±250
µA
µA
Output Voltages (open collector with internal pull-up resistor):
Low Level (VCC = 4.75 V, IOL = 200 µA)
High Level (VCC = 4.75 V, IOH = –10 µA)
VOL
VOH
0
2.4
0.2
—
0.4
VCC
V
V
Table 14. Logic Inputs and Outputs (VCC = 3.3 V)
Parameter
Symbol
Min
Typ
Max
Unit
Input Voltages:
Low Level
High Level
VIL
VIH
–0.5
2.0
0.2
2.5
0.5
VCC
V
V
Input Current:
Low Level (VCC = 3.46 V, VI = 0.4 V)
High Level (VCC = 3.46 V, VI = 2.4 V)
IIL
IIH
—
—
—
—
±250
±250
µA
µA
Output Voltages (open collector with internal pull-up resistor):
Low Level (VCC = 3.13 V, IOL = 200 µA)
High Level (VCC = 3.13 V, IOH = –5 µA)
VOL
VOH
0
2.2
0.2
—
0.5
VCC
V
V
Table 15. Ringing Specifications
Parameter
Min
Typ
Max
Unit
Ring Signal Isolation:
PT/PR to VITR
Ring Mode
—
60
—
dB
Ringing Voltage (5 REN 1386 Ω + 40 µF load, 200 Ω loop, 2 x 30 Ω protection
resistors, –69 V battery, 1.2 crest factor)1
40
40
40
40
—
—
—
—
—
—
—
—
Vrms
Vrms
Vrms
Vrms
Ringing Voltage (3 REN 2330 Ω + 24 µF load, 600 Ω loop, 2 x 30 Ω protection
resistors, –69 V battery, 1.2 crest factor)1
Ringing Voltage (2 REN 3500 Ω + 16 µF load, 1000 Ω loop, 2 x 30 Ω protec-
tion resistors, –69 V battery, 1.2 crest factor)1
Ringing Voltage (2 REN 3500 Ω + 1.8 µF load, 500 Ω loop, 2 x 30 Ω protection
resistors, –69 V battery, 1.2 crest factor)2
Ring Signal Distortion:
5 REN 1386 Ω, 40 µF Load, 200 Ω Loop
3 REN 2330 Ω, 24 µF Load, 600 Ω Loop
2 REN 3500 Ω, 16 µF Load, 1000 Ω Loop
2 REN 3500 Ω, 1.8 µF Load, 500 Ω Loop
—
—
—
—
5
5
5
5
—
—
—
10
%
%
%
%
1. Voltage is measured across both resistive and capacitive elements of the ringer load.
2. Voltage is measured only across the resistive element of the ringer load.
20
Agere Systems Inc.
AGERE [ AGERE SYSTEMS ]
