- MCCS16C451FN
- Motorola
- Multifunction I/O Controller for IBM PC/XT/AT
- MCS16C451
- Motorola / Freescale Semiconductor
- Multifunction I/O Control Chip for PC/XT/AT
- S16C45
- Mospec Semiconductor
- 45V schottky barrier rectifier
- S16C45A
- Mospec Semiconductor
- Schottky Barrier Rectifier
- S16C45C
- Mospec Semiconductor
- Schottky Barrier Rectifier
- S16C45CE
- Mospec Semiconductor
- Schottky Barrier Rectifier
- S16C45D
- Mospec Semiconductor
- Dual schottky barrier rectifier, 16A, 45V
- MCCS16C451FN
- Motorola
- Multifunction I/O Controller for IBM PC/XT/AT
- NS16C450N
- National Semiconductor
- Universal Asynchronous Receiver / Transmitter
- NS16C451V
- National Semiconductor
- Universal Asynchronous Receiver / Transmitter with Parallel Interface
- NS16C450N
- National Semiconductor
- Universal Asynchronous Receiver / Transmitter
- NS16C451V
- National Semiconductor
- Universal Asynchronous Receiver / Transmitter with Parallel Interface