CXA1644P Datasheet PDF – Echo Effect Generator

Part Number : CXA1644P

Function : Echo Effect Generator

Package : DIP 16 Pin



CXA1644P datasheet


Description :

The IC is an echo effect generator IC designed for use in a karaoke set.


1. All the functions required for producing echo effects into a single chip.
2. Delay time 100ms (typ.)
3. Few external parts
4. Combined with a 2-channel surround IC(CXA1673), produces full-fledged surround effects.
5. Variable effect volume

Pinouts :

CXA1644P pinout


1. Karaoke set, TV (surround), etc.


Other data sheets within the file : CXA1644

CXA1644P Datasheet PDF Download

CXA1644P pdf

MT8993 Datasheet PDF – Digital Telephone with HDLC

Part Number : MT8993

Function : Digital Telephone with HDLC(H-Phone), Intergrated digital telephone circuit

Package : DIP 40 Pin

Manufacturers : Mitel Networks

Pinouts :

MT8993 datasheet


1. Integrated digital telephone circuit
2. Programmable rececive gain
3. DTMF/Tone generator and tone ringer
4. Speakerphone Operation
5. Interface to standard telephony transducers

Description :

The MT8992, MT8993, MT8993B is an intergrated digital telephone circuit which provides an on-chip HDLC data formatter(H-Phone). Conversion of analog signals to digital PCM and vice versa is accomplished with an on-chip filter codec. Digital signal processing techniques provide speakerphone operation and generation of ringing tone and DTMF signals.

Not recommended for New Designs See MT9092

Other data sheets within the file : MT8992, MT8993B, MT8993BC

MT8993 Datasheet PDF Download

MT8993 pdf