ST16C2450 duart equivalent, (st16c2450 / st16c2451) 2.97v to 5.5v duart.
Added feature in devices with top marking "A2 YYWW" and newer:
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5 Volt Tolerant Inputs
* 2.97 to 5.5 Volt Operation
* Pin-to-pin compatible to Exar’s ST16C2450.
* Portable Appliances
* Telecommunication Network Routers
* Ethernet Network Routers
* Cellular Data Dev.
The ST16C2450 (2450) is a dual universal asynchronous receiver and transmitter (UART). The ST16C2450 is an improved version of the ST16C2450 with lower operating voltage and 5 volt tolerant inputs. The 2450 provides enhanced UART functions, a modem c.
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