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NPC provides high end sound generation for electronic grandfather clocks, high-fidelity home "visit announcers" or door bells, from simple to quite complex tunes. Low power, high efficiency make them ideal for battery powered applications too. The CF/SM1155 and CF/SM1156 are aimed at low cost tone generation for gift cards, toys, and simple tones used for alarms or notification. NPC products are aimed at lowering customer production cost; the parts are all mask programmable and NPC engineers can squeeze extra time for melodies visa-vie their unique programming approach. For alarms and notification applications.

*Grandfather Clocks, electronic *Alarms *Machine status notifications * Portable

Device	Operating Voltage	Voice Range	Features	Package	File Size (KB)
Type	Pin
SM1350	2.4 to 5.5V	G2 to F#7	High quality PCM melody IC, maximum of 16 tune selection (with up to 1024 steps), 4 simultaneous sounds for 4 tones, effect functions. Click here for standard melody listing	SSOP	24	215
CF1156	1.2 to 3.6V	G3 to D7	Low cost Melody IC with LED driver and piezo speaker driver for Melody Gift cards and toys, and such. 3 melody modes (bonding option). Replacement for SM1105 series Click here for standard melody listing	CHIP		77
CF1155 SM1155	1.2 to 3.6V	G3 to D7	Low cost Melody IC, piezo speaker driver for Melody Gift cards and toys, and such. 3 melody modes (bonding option) Replacement for SM1105 series. Click here for standard melody listing	CHIP SOP		68 77
SM1126 series	2.0 to 3.6V	F4 to G6	Maximum of 16 tune selection (15 in RAM + 1 in SRAM), level hold playback mode, external reference clock input versions and built-in RC oscillator versions available, serial interface	VSOP	8	126
SM1125	External clock 1.5 to 3.6 V RC oscillation 2.0 to 3.6V	C3 to D7	Maximum of 16 tune selection (with up to 512 steps), level hold playback mode, 2-pin serial data tune selection, external reference clock input versions and built-in RC oscillator versions available	VSOP	8	96
SM1124	2.4 to 3.6V	C3 to D7	Maximum of 16 tune selection (with up to 512 steps), level hold playback mode, 2-pin serial data tune selection. Click here for standard melody listing	SOP	8	93

Device

Operating Voltage

Voice Range

Features

Package

File Size (KB)

Type

SM1350

2.4 to 5.5V

G2 to F#7

High quality PCM melody IC, maximum of 16 tune selection (with up to 1024 steps), 4 simultaneous sounds for 4 tones, effect functions. Click here for standard melody listing

SSOP

215

CF1156

1.2 to 3.6V

G3 to D7

Low cost Melody IC with LED driver and piezo speaker driver for Melody Gift cards and toys, and such. 3 melody modes (bonding option). Replacement for SM1105 series Click here for standard melody listing

CHIP

CF1155

SM1155

1.2 to 3.6V

G3 to D7

Low cost Melody IC, piezo speaker driver for Melody Gift cards and toys, and such. 3 melody modes (bonding option) Replacement for SM1105 series. Click here for standard melody listing

CHIP

SOP

SM1126
series

2.0 to 3.6V

F4 to G6

Maximum of 16 tune selection (15 in RAM + 1 in SRAM), level hold playback mode, external reference clock input versions and built-in RC oscillator versions available, serial interface

VSOP

126

SM1125

External clock 1.5 to 3.6 V
RC oscillation 2.0 to 3.6V

C3 to D7

Maximum of 16 tune selection (with up to 512 steps), level hold playback mode, 2-pin serial data tune selection, external reference clock input versions and built-in RC oscillator versions available

VSOP

SM1124

2.4 to 3.6V

C3 to D7

Maximum of 16 tune selection (with up to 512 steps), level hold playback mode, 2-pin serial data tune selection. Click here for standard melody listing

SOP

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