U2516,SWITCH HARDWARE
U2531A,
【Atmel】U2538B-MFP,IC RCVR IR FOR DATA COMM 8-SOIC
【Atmel】U2538B-MFPG3,IC RCVR IR FOR DATA COMM 8-SOIC
【Atmel】U2538B-MFPG3Y,IC RCVR IR FOR DATA COMM 8SOIC
【Atmel】U2538B-MFPY,IC RCVR IR FOR DATA COMM 8SOIC
U2541A,
U2542A,
