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HT93214B

Holtek Semiconductor Inc
Part Number HT93214B
Manufacturer Holtek Semiconductor Inc
Description 1-memory Tone/Pulse Dialer
Published Apr 16, 2005
Detailed Description HT93214 Series 1-memory Tone/Pulse Dialer Features · Operating Voltage: 2.0V~5.5V · Low standby current · Low memory ret...
Datasheet PDF File HT93214B PDF File

HT93214B
HT93214B

Overview
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 appl...


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