MC145554P 데이터 시트보기 (PDF) - Motorola => Freescale
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MC145554P Datasheet PDF : 20 Pages
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1N4002
MJD253
MC33120
20
15
VCC VDD
19
EP
12
PDI/ST2
18
BP
13
ST1
14
VDG
+5V
+
5 µF, 16 V
HOOK STATUS/
FAULT INDICATION
1N4002
– 48 V
0.01 µF
50 V
TIP
RING
100
1/4 W
100
1/4 W
1 k 17
CP
9.1 k 16
TSI
9.1 k 5
RSI
1k 4
CN
0.01 µF
50 V
1N4002
MJD243
1N4002 – 48 V
3
BN
2
EN
1
VEE
9
VAG
+5V
MC145554/7
4
10
48.5 k
VCC
3
12
RXI
VFRO FSX 5
4.7 k 20.6 k 47.4 k
FSR 10
8
RFO
BCLKX 7
BCLKR
1 µF
MCLKR 8
9
11
1 µF
15
MCLKX 11
TXO
7
CF
300 Ω
6
VQB
10 k
1.0 µF, 50 V
+
14 VFXI–
GSX
49.0 k 16
VFXI+
2
GNDA
DX 6
DR
13
TSX
1
VBB
20 Ω
10 µF, 50 V
–5V
+
8 kHz SYNC
DATA CLOCK
MC145554 =
1.544 MHZ
MC145557 =
2.048 MHz
TO PCM HWY
NOTE: Six resistors and two capacitors on the two–wire side can be 5% tolerance.
Figure 4. A Complete Single Party Channel Unit Using MC145554/57 PCM Codec–Filter and MC33120 SLIC
MOTOROLA
MC145554•MC145557•MC145564•MC145567
13
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