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MSSI121 - (MSSI241 / MSSI121) INSTANT VOICE ROM

Download the MSSI121 datasheet PDF. This datasheet also covers the MSSI241 variant, as both devices belong to the same (mssi241 / mssi121) instant voice rom family and are provided as variant models within a single manufacturer datasheet.

Description

The MSSI121/241/241B is an one time programmable CMOS VLSI ASIC that can memorize voice for 7-12 / 13-24 seconds using 6-bit MOSEL qualified coding method (MPCM).

Most of the necessary circuit are built in like oscillator, ROM, DAC and interface logic.

Features

  • Single power supply can operate at 2.4V through 6V. Current output can drive 8 ohm speaker with a transistor, Vout can drive buzzer directly. The voice content is stored for 7-12 seconds for SI121 ( 13-24 for SI241/241B ) including mute and is single section / phrase and single trigger. Automatic power down. A phrase is composed of repetitive sections. Interrupt function (INTP) stops the audio output at once. An LED function with 3Hz flash is provided to tell the audio status. A STOP pulse comes.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MSSI241_MoselVitelic.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number MSSI121
Manufacturer Mosel Vitelic
File Size 90.55 KB
Description (MSSI241 / MSSI121) INSTANT VOICE ROM
Datasheet download datasheet MSSI121 Datasheet

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Other Datasheets by Mosel Vitelic

Part Number Description
MSSI241 (MSSI241 / MSSI121) INSTANT VOICE ROM
MSS0271 2.7 VOICE ROM
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
MOSEL VITELIC MSSI121/241/241B INSTANT VOICE ROM Features Single power supply can operate at 2.4V through 6V. Current output can drive 8 ohm speaker with a transistor, Vout can drive buzzer directly. The voice content is stored for 7-12 seconds for SI121 ( 13-24 for SI241/241B ) including mute and is single section / phrase and single trigger. Automatic power down. A phrase is composed of repetitive sections. Interrupt function (INTP) stops the audio output at once. An LED function with 3Hz flash is provided to tell the audio status. A STOP pulse comes out when audio signal is finished. CDS input interface with 10ms debounce is provided for trigger pin, REP pin and INTP pin. Repeat pin was provided to keep audio output repeating. Built-in power on play function and is programmable.
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