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參數(shù)資料
| 型號： | LUCL9312AP-D |
| 英文描述： | Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications |
| 中文描述： | 線路接口和線路接入電路轉發(fā)電池SLIC和振鈴繼電器的訓練班- 57應用 |
| 文件頁數(shù)： | 10/40頁 |
| 文件大?。?/td> | 709K |
| 代理商： | LUCL9312AP-D |
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Data Sheet
July 2001
Forward Battery SLIC and Ringing Relay for TR-57 Applications
L9312 Line Interface and Line Access Circuit
10
Agere Systems Inc.
Pin Information
(continued)
Table 1. Pin Descriptions
(continued)
Operating States
Input State Coding
Data control is via a parallel latched data control scheme. Data latches are edge-level sensitive. Data is latched in
when the LATCH control input goes low. Data must be set up 200 ns before LATCH goes low and held 50 ns after
LATCH goes high. While LATCH is low, the user should not change the data control inputs at B0, B1, and B2. The
data control inputs at B0, B1, and B2 may only be changed when LATCH is high. NSTAT supervision output is not
controlled by the LATCH control input.
Table 2. Control States
Table 3. Supervision Coding
Pin
37
Symbol
ITR
Type
I
Name/Function
Transmit Gain.
A current output which is proportional to the differential current flow-
ing from tip to ring. Input to AX amplifier. Connect a resistor from this node to VITR to
set transmit gain to 300
. Gain shaping for termination impedance with a COMBO I
codec is also achieved with a network from this node to VITR.
No Connect.
May not be used as a tie point.
Transmit ac Input (Noninverting).
Connect a 0.1
μ
F capacitor from this pin to VTX
for dc blocking.
Transmit ac Output Voltage.
The output is a voltage that is directly proportional to
the differential ac tip/ring current. This output is connected via a proper interface net-
work to the codec.
Receive ac Signal Input (Noninverting).
This high-impedance input controls the ac
differential voltage on tip and ring.
Receive ac Signal Input (Inverting).
This high-impedance input controls the ac dif-
ferential voltage on tip and ring.
Analog Ground.
Ground return for V
CC
current.
5 V Analog Power Supply.
5 V supply for analog circuitry.
38
39
NC
TXI
—
I
40
VITR
O
41
RCVP
I
42
RCVN
I
43
44
AGND
V
CC
G
P
B2
0
0
0
0
1
1
1
1
X
B1
0
0
1
1
0
0
1
1
X
B0
0
1
0
1
0
1
0
1
X
RESET
1
1
1
1
1
1
1
1
0
State
Scan
Powerup, forward battery
Unassigned
Unassigned
Ring
Unassigned
Unassigned
Disconnect, break before make
Disconnect, break before make
Pin NSTAT
Pin TRGDET
0 = off-hook or ring trip
1 = on-hook and no ring trip
0 = ring ground
1 = no ring ground
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| LUCL9312AP-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications |
| LUCL9312GP-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications |
| LUCL9312GP-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications |
| LUCL9313AP-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC and Ringing for TR-57 Applications |
| LUCL9313AP-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC and Ringing for TR-57 Applications |
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