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Interface Adapters

Western Design Center (WDC) interface adapters are designed to be easily implemented, program controlled interfaces between 8-bit microprocessor based systems and serial communication data sets and modems. WDC interface adapters include Asynchronous Communications Interface Adapter (ACIA), Peripheral Interface Adapter (PIA), and Versatile Interface Adapters (VIA). Each adapter type is designed to help interface between 8-bit microprocessors and various peripheral devices.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package / Case	Series	Product	Interface Type	Supply Voltage - Max	Supply Voltage - Min	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
	I/O Controller Interface IC Versatile Interface Adapter W65C22N6TPG-14 Western Design Center (WDC) 1: $13.65 553In Stock	Mfr. Part # W65C22N6TPG-14 Mouser Part # 955-W65C22N6TPG-14	Western Design Center (WDC)	I/O Controller Interface IC Versatile Interface Adapter Learn More about Western Design Center (WDC) wdc interface adapter	Datasheet	553In Stock	$13.65 $10.60 $9.85 $9.01 View $8.55 $8.38 $8.18 Quote	Min.: 1 Mult.: 1			Through Hole	PDIP-40	W65C22S6	Versatile Interface Adapters	Serial	5 V	5 V	- 40 C	+ 85 C	Tube
	I/O Controller Interface IC Versatile Interface Adapter W65C22S6TPG-14 Western Design Center (WDC) 1: $13.65 1,375In Stock	Mfr. Part # W65C22S6TPG-14 Mouser Part # 955-W65C22S6TPG-14	Western Design Center (WDC)	I/O Controller Interface IC Versatile Interface Adapter Learn More about Western Design Center (WDC) wdc interface adapter	Datasheet	1,375In Stock	$13.65 $10.60 $9.85 $9.01 View $8.55 $8.38 $8.18 Quote	Min.: 1 Mult.: 1			Through Hole	PDIP-40	W65C22S6	Versatile Interface Adapters	Serial	5 V	1.8 V	- 40 C	+ 85 C	Tube
	I/O Controller Interface IC Versatile Interface Adapter W65C22S6TPLG-14 Western Design Center (WDC) 1: $13.64 1,700In Stock	Mfr. Part # W65C22S6TPLG-14 Mouser Part # 955-W65C22S6TPLG-14	Western Design Center (WDC)	I/O Controller Interface IC Versatile Interface Adapter Learn More about Western Design Center (WDC) wdc interface adapter	Datasheet	1,700In Stock	$13.64 $10.60 $9.85 $9.01 View $8.55 $8.38 $8.18 Quote	Min.: 1 Mult.: 1			SMD/SMT	PLCC-44	W65C22S6	Versatile Interface Adapters	Serial	5 V	1.8 V	- 40 C	+ 85 C	Tube
	I/O Controller Interface IC Peripheral Interface Adapter W65C21S6TPLG-14 Western Design Center (WDC) 1: $12.89 38In Stock	Mfr. Part # W65C21S6TPLG-14 Mouser Part # 955-W65C21S6TPLG-14	Western Design Center (WDC)	I/O Controller Interface IC Peripheral Interface Adapter Learn More about Western Design Center (WDC) wdc interface adapter	Datasheet	38In Stock	$12.89 $9.99 $9.26 $8.45 View $8.06 $7.85 $7.63 Quote	Min.: 1 Mult.: 1			SMD/SMT	PLCC-44				5 V	1.8 V	- 40 C	+ 85 C	Tube
	I/O Controller Interface IC Peripheral Interface Adapter W65C21S6TPG-14 Western Design Center (WDC) 1: $12.89 2,180In Stock	Mfr. Part # W65C21S6TPG-14 Mouser Part # 955-W65C21S6TPG-14	Western Design Center (WDC)	I/O Controller Interface IC Peripheral Interface Adapter Learn More about Western Design Center (WDC) wdc interface adapter	Datasheet	2,180In Stock	$12.89 $9.98 $9.24 $8.45 View $8.06 $7.85 $7.63 Quote	Min.: 1 Mult.: 1			Through Hole	PDIP-40				5 V	1.8 V	- 40 C	+ 85 C	Tube
	I/O Controller Interface IC Peripheral Interface Adapter W65C21N6TPG-14 Western Design Center (WDC) 1: $12.89 4,217On Order	Mfr. Part # W65C21N6TPG-14 Mouser Part # 955-W65C21N6TPG-14	Western Design Center (WDC)	I/O Controller Interface IC Peripheral Interface Adapter Learn More about Western Design Center (WDC) wdc interface adapter	Datasheet	4,217On Order On Order Ship Dates Mfr. #: W65C21N6TPG-14 Stock: 0 On Order: 2,207 Expected 2026-10-28 2,010 Expected 2026-11-03 Factory Lead-Time: 3 Weeks	$12.89 $9.98 $9.24 $8.45 View $8.06 $7.85 $7.63 Quote	Min.: 1 Mult.: 1			Through Hole	PDIP-40				5 V	5 V	- 40 C	+ 85 C	Tube
	I/O Controller Interface IC Peripheral Interface Adapter W65C21N6TPLG-14 Western Design Center (WDC) 1: $12.89 9On Order	Mfr. Part # W65C21N6TPLG-14 Mouser Part # 955-W65C21N6TPLG-14	Western Design Center (WDC)	I/O Controller Interface IC Peripheral Interface Adapter Learn More about Western Design Center (WDC) wdc interface adapter	Datasheet	9On Order	$12.89 $9.99 $9.26 $8.45 View $8.06 $7.85 $7.63 Quote	Min.: 1 Mult.: 1			SMD/SMT	PLCC-44				5 V	5 V	- 40 C	+ 85 C	Tube