HT9315C

HT9315 Series 15-Memory Tone/Pulse Dialer Patent Number: 64097, 86474, 113235(R.O.C.), 5424740(U.S.A.) Features · Universal specification · Operating voltage: 2.0V~5.5V · Low standby current · Low memory retention current: 0.1mA (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 - Keyboard form · HT9315A/HT9315AL: 18-pin DIP package HT9315B/HT9315BL: 22-pin SKDIP package HT9315C/HT9315CL: 20-pin DIP package HT9315D/HT9315DL: 24-pin SKDIP package General Description The HT9315 series tone/pulse dialers are CMOS LSIs for telecommunication systems. They are designed to meet various dialing specifications through resistor option matrix. The HT9315 series are offered in two different versions. They are HT9315x normal version and HT9315xL lock version, with keyboard-operated IDD lock function. The two versions also supply the following functions: Hold-line, Hand-free and LCD dialing number display interface, all of which are suitable for feature phone applications. Selection Table Function Item HT9315x HT9315A HT9315B HT9315C HT9315D H...