Description
NT93403-05X is a CMOS, silicon integrated circuit designed for multi-feature phones.
Features
- 4-bit CMOS n The NT93403-05X is a multi-feature tone/pulse dialer based on a CMOS 4-bit single chip microcomputer with 5120 X 10 bit ROM and 1204 X 4 bit RAM capacity n Built-in LCD driver and direct interface with 16digit LCD display Dialing n Dialing parameters are set by external diodes and the SELECT pin n Built-in high-precision dual-tone multi-frequency (DTMF) generator and on-chip pulse dialer n Switchable tone/pulse dialing n Dialing speeds of 10 or 20 pps and Make/Break Ratio of 40/60 o.
NT93403-05x-NOVATEK.pdf
