LUCL9218AAR-D AGERE [Agere Systems], LUCL9218AAR-D Datasheet - Page 12

• Manufacturer Part Number: LUCL9218AAR-D
• Description: Low-Cost Line Interface
• Manufacturer: AGERE [Agere Systems]

L9218A/G Low-Cost Line Interface
Electrical Characteristics
Table 8. Logic Inputs and Outputs
All outputs are open collectors with internal, 30 k
way to power up in disconnect state.
Ring Trip Requirements
12
12
Input Voltages:
Input Currents:
Output Voltages (open collector with internal pull-up resistor):
Ringing signal:
— Voltage, minimum 35 Vrms, maximum 100 Vrms.
— Frequency, 17 Hz to 33 Hz.
— Crest factor, 1.2 to 1.6.
Ring trip:
— 100 ms (typical)
Pretrip:
— The circuits in Figure 3 will not cause ring trip.
Low Level (permissible range)
High Level (permissible range)
Low Level (V
High Level (V
Low Level (V
High Level (V
CC
CC
CC
CC
= 5.25 V, V
= 4.75 V, I
= 5.25 V, V
= 4.75 V, I
Parameter
OL
OH
I
I
= 0.4 V)
= 2.4 V)
= 200 A)
= –20 A)
(continued)
pull-down resistor. Input pins have internal pull-down or some
TIP
TIP
Symbol
V
V
V
V
I
I
IL
IH
OH
OL
IH
IL
Figure 3. Ring Trip Circuits
–0.5
2 F
Min
+10
2.0
2.4
0
0
10 k
8 F
100
Typ
+24
0.4
2.4
0.2
+4
—
November 2001
Agere Systems Inc.
Max
V
+10
+50
V
0.7
0.4
CC
CC
Data Sheet
12-2572 (F).f
RING
RING
Unit
V
V
V
V
A
A