Description
NT93401-04 is a CMOS, silicon integrated circuit designed for high feature phones with a high-precision dual tone multi-frequency (DTMF) circuit, LCD driver/ controller, and a 32 KHz watch oscillator circuit.
Features
- T High feature phone LSI based on a CMOS 4-bit single
chip microcomputer with 4096 x 10 bit ROM and 1024 x 4 bit RAM capacity T Built-in DTMF generator and on-chip pulse dialer T Bank key function T 30 or 40 memory locations by pin selection T Auto-start watch T Restriction dialing T If.
NT93401-04 Datasheet
