Description
MOTOROLA MC145443P IC Single-Chip 300-Baud Modem
Features
Provides Full-Duplex or Half-Duplex 300-Baud Data Communication
Low-Band and High-Band Band-Pass Filters On-Chip
Originate and Answer Mode
Analog Loopback Configuration for Self Test
Hybrid Network Function On-Chip
Part Summary
Manufacturer Motorola
Manufacturer’s Part Number MC145443P
Manufacturer’s Web Site onsemi.com
Futurlec Part Number MC145443P
Department Integrated Circuits
Category Special Function – Motorola
RoHS Compliant –
Package Type 20 Pin DIP
The MC145442 and MC145443 silicon–gate CMOS single–chip low–speed modems contain a complete frequency shift keying (FSK) modulator, demodu- lator, and filter . These devices are with CCITT V .21 (MC145442) and Bell 103 (MC145443) 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 .
Manufacturer:Motorola
Datasheet:on-semi/MC145442.pdf
