參數(shù)資料
型號(hào): HC55171CB
廠商: INTERSIL CORP
元件分類: 模擬傳輸電路
英文描述: 5 REN Ringing SLIC for ISDN Modem/TA and WLL
中文描述: TELECOM-SLIC, PDSO28
封裝: SOIC-28
文件頁數(shù): 17/18頁
文件大?。?/td> 153K
代理商: HC55171CB
78
Trapezoidal Ringing Application Circuit
Pinouts
HC55171 (PLCC)
TOP VIEW
HC55171 (SOIC)
TOP VIEW
R
28
R
26
TF
VRING
V
TX
N
V
R
R
R
V
B
27
BGND
RDO
NU
RDI
V
C
2
A
1
RS
ILMT
O
-
T
F0
V
3
F
4
SHD
RTD
TST
ALM
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
AGND
V
CC
VREF
F1
F0
RS
SHD
RTD
TST
ALM
ILMT
OUT 1
-IN 1
TIP SENSE
RTI
RF
TF
VRING
NU
RDO
V
TX
NU
V
RX
RING SENSE 2
RING SENSE 1
V
BAT
BGND
RDI
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TIP
V
RX
17
ILIMT 11
V
TX
19
26 RF
25 TF
14 TIP SENSE
R
S1
R
IL1
C
AC
R
RF
HC55171
V
REF
3
V
CC
RING
SHD 7
RTD 8
ALM 10
9 TST
6 RS
R
RT3
R
RT2
-IN1 13
OUT1 12
V
RING
24
RTI 28
27 V
BAT
22 BGND
1 AGND
2 V
CC
15 RING SENSE 1
16 RING SENSE 2
R
S2
C
PS1
C
PS2
R
ZO
C
TRAP
C
IL
C
RT
C
RX
R
IL2
V-REC
FIGURE 21. TRAPEZOIDAL RINGING APPLICATION CIRCUIT
R
RT1
V-XMIT
V
RING
V
BAT
5 F0
4 F1
SHD
RTD
ALM
F1
F0
VCC
TST
20 RDI
R
TRAP
D
RT
D
TRAP
U1
HC55171
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