SP481/SP483/SP485 Low Power Half-Duplex RS-485 Tr.
SP481 - Low Power Half-Duplex RS-485 Transceivers
NSP481A - 1-ch Voice IC
SP481E - Enhanced Low Power Half-Duplex RS-485 Transceivers
SP481R - High-Fanout RS-485 Transceiver
SGSP481 - N-CHANNEL POWER MOS TRANSISTORS
SP4810 - Dual N-Channel Enhancement Mode Field Effect Transistor