Click to expand full text
HT93214 Series 1-memory Tone/Pulse Dialer
Features
· Operating Voltage: 2.0V~5.5V · Low standby current · Low memory retention current: 0.1mA (Typ.) · Tone/Pulse switchable · 32 (pulse)/31 (tone) digits for redialing · Pause and P ® T key for PBX · 4´4 keyboard matrix · 3.58MHz crystal or ceramic resonator · Hand-free control
Patent Number: 86474, 84545(R.O.C)
· Pause, P ® T can be saved for redialing · One-key redialing · Keytone output · Pause time: 2.2s · Cascadable manual dialing after redialing · Calibrated DTMF timing for redialing · HT93214A: 16-pin DIP package
HT93214B/AT: 18-pin DIP package
General Description
The HT93214 are dialer series designed for low cost telephone set applications with expandable features such as Lock function, keytone and LCD display interface.
HT93214B Datasheet
