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HT8160S, HT8170D, HT81R09

Table of contents:
Info of HT8160S
Info of HT8170D
Info of HT81R09

HT8160S, HT8170D, HT81R09 Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:N/A D/C:06+

HT8160S, HT8170D, HT81R09 Datasheet download

Five Points

Part Number: HT8160S

MFG: HOLTEK

Package Cooled: N/A

D/C: 06+

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HT81R09 General Description

The EasyVoiceTM is a single-chip voice synthesizer LSI .

The chip when triggered drives a speaker directly or through an external transistor with a PWM output. Negligible current is consumed in the standby state.

The HT81XXX provides direct key or Matrix key input and 2 programmable FLAG outputs. With 2.4V~5.0V power supply, a complete synthesized voice playback system can be easily built with very few external components.

The customers voice sources are recorded section by section into an internal mask ROM. The instructions of section playback arrangement of each key are stored in the table ROM. The key features are also programmable.

With such a flexible structure, the EasyVoiceTM is excellent for versatile voice applications.

HT81R09 Maximum Ratings

Supply Voltage ..........................V_SS-0.3V to V_SS+6.0V
Input Voltage ............................ V_SS-0.3V to V_DD+0.3V
Storage Temperature .......................... -50 to 125
Operating Temperature ..........................-20 to 70

HT81R09 Features

Operating voltage: 2.4V~5V
Directly drives an external transistor
PWM function directly driver speaker
Low standby current (1A typ. for VDD=3V)
Minimal external components
240 notes table ROM for key functions
Programmable silence length and end-pulse width (minimal end-pulse width is 1.3ms at 8kHz sampling
rate)
Controllable volume
FLAG1 options
End-pulse output
3Hz, 3HzB flash
6Hz, 6HzB flash
Busy output
OFF
FLAG2 options
3Hz flash
6Hz flash
Busy output
OFF
6 keys (Directed)
8 keys (Matrix key)
Key options
Sequential/Directed
Repeat (KEY2~KEY6)
STOP key (KEY6)
Key debounce time: 1.2ms, 22ms, 45ms (based on a 8kHz sampling rate)
One shot/Normal
Pull-high resistance: 0, 50k, 100k, 200k
Section options
Retriggerable
Non-retriggerable
Dice form or 16-pin DIP package

HT81R09 Typical Application

Leisure products
Alarm clocks

HT81R09 Connection Diagram

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