- ISD33180S
- Information Storage Devices, Inc.
- Single-Chip Voice Record/Playback Devices 2-, 2.5-, 3-, and 4-Minute Durations
- ISD33180SD
- Information Storage Devices, Inc.
- 180 seconds single chip voice record/playback device
- ISD33180SI
- Information Storage Devices, Inc.
- 180 seconds single chip voice record/playback device
- ISD33180S
- Winbond Electronics
- Single-Chip Voice Record/Playback Device 3-Minute Durations
- ISD33180SD
- Winbond Electronics
- Single-Chip Voice Record/Playback Device 3-Minute Durations
- ISD33180SI
- Winbond Electronics
- Single-Chip Voice Record/Playback Device 3-Minute Durations