MC145443P Freescale Semiconductor, MC145443P Datasheet - Page 10

• Manufacturer Part Number: MC145443P
• Description: Modem Chip Single 0.3KBd
• Manufacturer: Freescale Semiconductor

Specifications of MC145443P

• Main Category: Single Chip
• Maximum Data Rate: 0.3 KBd
• Typical Operating Supply Voltage: 5 V
• Power Supply Type: Analog
• Typical Supply Current: 7 mA
• Minimum Operating Supply Voltage: 4.5 V
• Maximum Operating Supply Voltage: 5.5 V

RING
* Line Protection Circuit
TIP
INPUT
DTMF
10
0.1 F
0.1 F
20 k
R DSI
*
MC145443
V DD
10 F
0.1 F
C DSI
+
600
0.1 F
C FB
R Tx
R TLA
Figure 7. Typical MC145442/MC145443 Applications Circuit
0.1 F
C CDT
20
17
15
16
18
10
19
1
Freescale Semiconductor, Inc.
TLA
DSI
TxA
RxA2
RxA1
Exl
FB
V AG
CDT
4
0.1 F
MC145442/3
12
V DD
GND
6
MODE
7
CDA
X out
SQT
RxD
TxD
X in
CD
LB
C CDA
0.1 F
9
8
10 k
10 k
10 k
3.58
MHz
0.1 F
15
13
11
1
3
C1+
C1–
DI2
DO1
DI1
TxEN
STBY
2
GND
V DD
MC145407
17
4
V CC
V SS
19
C1+
C1–
Rx1
Rx2
Rx3
0.1 F
Tx2
Tx1
20
18
10
6
8
7
9
MMBZ15VDLT1 X 3
CONNECTOR
EIA–232–D
DB–25
+ 5 V
8
2
3
7