INS8250
Asynchronous Receiver/Transmitter (National Semiconductor)
INS8250-B
Asynchronous Receiver/Transmitter (National Semiconductor)
INS8251
Programmable Communication Interface (National Semiconductor)
INS8253
Programmable Interval Timer (National Semiconductor)
INS8254
N-Channel Bit Programmable Peripherallnterface (National Semiconductor)
INS8255
Programmable Peripheral Interface (National Semiconductor)
INS8255N
Programmable Peripheral Interface (National Semiconductor)
INS8257
Programmable DMA Controller (National Semiconductor)
INS8259
Programmable Interrupt Controller (National Semiconductor)
INS8202
Octal Buffers (National Semiconductor)