The W6811ISG from Nuvoton Technology Corporation is a voiceband codec Integrated Circuit rated at 5 V/3 V with an 8-bit PCM audio interface, in a 24-SOP package.
The W6811IEG from Nuvoton Technology Corporation is a voiceband codec Integrated Circuit with 5 V/3 V operation and an 8-bit PCM audio interface, in a 24-PDIP package.
The W6811IR from Nuvoton Technology Corporation is a voiceband codec Integrated Circuit with 5 V/3 V supply and an 8-bit PCM audio interface, in a 24-SSOP package.
The W6811IE from Nuvoton Technology Corporation is a voiceband CODEC Integrated Circuit with an 8-bit PCM audio interface and a 5V/3V specification, in a 24-PDIP package.
The W6811IS from Nuvoton Technology Corporation is a voiceband codec Integrated Circuit for 5 V/3 V operation with a PCM interface and 8-bit PCM audio, in a 24-SOP package.