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HT9320L-X, HT93214, HT932C66-C

Table of contents:
Info of HT9320L-X
Info of HT93214
Info of HT932C66-C

HT9320L-X, HT93214, HT932C66-C Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:DIP-28 D/C:02+

HT9320L-X, HT93214, HT932C66-C Datasheet download

Five Points

Part Number: HT9320L-X

MFG: HOLTEK

Package Cooled: DIP-28

D/C: 02+

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HT93214 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. With a 44 keyboard, it performs normal tone/pulse switchable dialing, and provides one-key redialing function with a 32-digit memory for speed dialing. An on-chip oscillator is built-in to work with an external 3.58Mhz crystal or ceramic resonator for accurate timing. The HT93214 provides 300ms (F1 key) and 600ms (F2 key) of flash time; Tone dialing and 10pps, 20pps selection with 1/2 M/B ratio for pulse dialing.

HT93214 Maximum Ratings

Supply Voltage .......................................-0.3V to 6V
Input Voltage.........................V_SS-0.3V to V_DD+0.3V
Storage Temperature .....................-50 to 125
Operating Temperature.....................-20 to 75
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

HT93214 Features

· Operating Voltage: 2.0V~5.5V
· Low standby current
· Low memory retention current: 0.1A (Typ.)
· Tone/Pulse switchable
· 32 (pulse)/31 (tone) digits for redialing
· Pause and P T key for PBX
· 44 keyboard matrix
· 3.58MHz crystal or ceramic resonator
· Hand-free control
· 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

HT93214 Connection Diagram

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