The SM1126 Series are melody ICs for use in mobile telecommunications equipment. A maximum of 15 melodies can be stored in programmable ROM and one in built-in read/write SRAM.
The SM1126 Series are melody ICs designed for use in mobile telecommunications equipment. The device features a maximum of 16 melody selections, with 15 stored in programmable ROM and one in a built-in read/write SRAM. It supports a supply voltage range of 2.0 to 3.6 V and offers both external reference clock input versions and built-in RC oscillator versions.
| Supply voltage range | 2.0 to 3.6 V |
|---|---|
| Operating temperature | -20 to 70 °C |
| Storage temperature range | -40 to 125 °C |
| Maximum melody selections | 16 (15 in ROM + 1 in SRAM) |
| Package type | 8-pin VSOP |
The built-in RC oscillator versions operate at only one oscillator frequency: 131.072 kHz.
A maximum of 15 melodies can be stored in the programmable ROM and one melody can be stored in the built-in read/write SRAM.