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The 8251 is a Universal Synchronous/Asynchronous Receiver/Transmitter packaged in a 28-pin DIP made by Intel. It is typically used for serial communication and was rated for 19.2 kilobits per second signalling rate.
Contents
It is commonly confused with the much more common 8250 UART that was made popular as the serial port in the IBM Personal Computer.
It includes 5 sections
- read/write control logic
- transmitter
- receiver
- data bus system
- modem control
Variants
There is a version of 8251A available for USD $6.40 in quantity of 100.
Known uses
The Intel 8251A was used in the Intel SDK-86 MCS-86 System Design Kit and the DEC LA120 printing terminal.
References
Intel 8251 Wikipedia(Text) CC BY-SA