- S2559E
- Ami Semiconductor, Inc.
- (S2559E / S2559F) DTMF Tone Generator
- S2559E
- Gould Electronics Gmbh
- DTMF Tone Generator
- TAS2559EVM
- Texas Instruments
- TAS2559 Audio Amplifier Evaluation Board
- TPS2559EVM-624
- Texas Instruments
- TPS2559 USB Power Switch Evaluation Board