HT9305
Features
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Patent Number: 64097, 86474, 113235(R.O.C.), 5424740(U.S.A.)
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Universal specification Operating voltage: 2.0V~5.5V Low standby current Low memory retention current: 0.1µA (Typ.) Tone/pulse switchable Interface with LCD driver 32 digits for redialing 32 digits for the SA memory dialing One-key redialing Pause and P→ T key for PBX 4×5 keyboard matrix 3.58MHz crystal or ceramic resonator
Hand-free control Hold-line control Pause, P→ T can be saved for redialing Lock function Keytone function Resistor options:
- M/B ratio
- Flash function and flash time(86ms~600ms)
- Pause and P→ T duration
- Pulse number
- Keyboard operated IDD lock function
- Key board form
General Description
The HT9305/6 series tone/pulse dialers are CMOS LSIs for telemunication systems. They are designed to meet various dialing specifications through resistor option matrix. The HT9305/6 series tone/pulse dialers are offered in four different versions. They are...
