IC number:	8250
IC function:	UART (Universal Asynchronous Receiver/Transmitter)

Component documentation

IC number	Manufacturer	Documentation
INS8250A, NS8250A	National Semiconductor	Not available
WD8250		Not available

Component versions

IC number	Package	CBM part number	CBM part description
INS8250AN, NS8250AN, WD8250-PL	40-pin DIP	380205-01	IC, 8250 ACI 5MHz

Positions

Device	Positions	Package
PC-I	U45	DIP
PC-10 I/O-board	U23	DIP
PC-10 combined board	U71	DIP
PC10-III	U402	DIP
PC30-III	U604	DIP
PC40-III	U604	DIP
PC60-III	U105	DIP

Pinout

Pin	Type	Name
1..8	I/O	D0..D7
9	Input	RCLK
10	Input	SIN
11	Output	SOUT
12..13	Input	CS0..CS1
14	Input	CS2_
15	Output	BAUDOUT_
16	Input	XIN
17	Output	XOUT
18	Input	WR_
19	Input	WR
20	Power	VSS
21	Input	RD_
22	Input	RD
23	Output	DDIS
24	Output	CSOUT
25	Input	ADS_
26..28	Input	A2..A0
29	N/C	NC
30	Output	INTR
31	Output	OUT2_
32	Output	RTS_
33	Output	DTR_
34	Output	OUT1_
35	Input	MR
36	Input	CTS_
37	Input	DSR_
38	Input	DCD_
39	Input	RI_
40	Power	VDD