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ML145443RP

Description
Single-Chip 300-Baud Modem
CategoryWireless rf/communication    Telecom circuit   
File Size672KB,11 Pages
ManufacturerLansdale
Websitehttp://www.lansdale.com/
Download Datasheet Parametric Compare View All

ML145443RP Overview

Single-Chip 300-Baud Modem

ML145443RP Parametric

Parameter NameAttribute value
MakerLansdale
Parts packaging codeDIP
package instructionDIP,
Contacts20
Reach Compliance Codeunknow
data rate0.3 Mbps
JESD-30 codeR-PDIP-T20
length26.415 mm
Number of functions1
Number of terminals20
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Package shapeRECTANGULAR
Package formIN-LINE
Certification statusNot Qualified
Maximum seat height4.57 mm
Nominal supply voltage5 V
surface mountNO
technologyCMOS
Telecom integrated circuit typesMODEM
Temperature levelINDUSTRIAL
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
width7.62 mm
ML145442
ML145443
Single–Chip 300–Baud Modem
Legacy Device:
Motorola MC145442B, MC145443B
The ML145442 and ML145443 silicon–gate CMOS single–chip low–speed
modems contain a complete frequency shift keying (FSK) modulator, demod-
ulator, and filter. These devices are compatible with CCITT V (ML145442)
.21
and Bell 103 (ML145443) specifications. Both devices provide full–duplex or
half–duplex 300–baud data communication over a pair of telephone lines.
They also include a carrier detect circuit for the demodulator section and a
duplexer circuit for direct operation on a telephone line through a simple
transformer.
This Device Offers The Following Performance Features:
ML145442 Compatible with CCITT V
.21
ML145443 Compatible with Bell 103
Low–Band and High–Band Band–Pass Filters On–Chip
Simplex, Half–Duplex, and Full–Duplex Operation
Originate and Answer Mode
Analog Loopback Configuration for Self Test
Hybrid Network Function On–Chip
Carrier Detect Circuit On–Chip
Adjustable Transmit Level and CD Delay Timing
On–Chip Crystal Oscillator (3.579 MHz)
Single +5 V Power Supply Operation
Internal Mid–Supply Generator
Power–Down Mode
Pin Compatible with MM74HC943
Capable of Driving –9 dBm into a 600 W Load
Operating Temperature Range = TA –40° to +85°C
P DIP 20 = RP
PLASTIC DIP
CASE 738
20
1
20
1
SOG 20 = -6P
SOG PACKAGE
CASE 751D
CROSS REFERENCE/ORDERING INFORMATION
LANSDALE
MOTOROLA
PACKAGE
P DIP 20 H
SO 20W
P DIP 20 H
SO 20W
MC145442BP
MC145442BDW
MC145443BP
MC145443BDW
ML145442RP
ML145442-6P
ML145443RP
ML145443-6P
Note:
Lansdale lead free (Pb) product, as it
becomes available, will be identified by a part
number prefix change from
ML
to
MLE.
PIN ASSIGNMENT
DSI
LB
CD
CDT
RxD
V DD
CDA
X out
X in
FB
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
TLA
VAG
Exl
TxA
RxA1
RxA2
SQT
MODE
V SS
TxD
Page 1 of 11
www.lansdale.com
Issue

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