IC number:	85C220
IC function:	PLD (Programmable logic device)

Component documentation

IC number	Manufacturer	Documentation
85C220 (later EP220)	Intel (later Altera)	Datasheet Altera EP220 (PDF)

Component versions

IC number	Package	Propagation delay
N85C220-66 (later EP220LC-12)	20-pin PLCC	12 ns

Programmed components

IC number	Package	CBM part number	CBM part description
N85C220-66	PLCC	391238-01	Prog 85C220-66 12ns 20pin PLCC

Positions

Device	Position	Component	Package
SL386SX CPU card w/cache DB1	U105	391238-01	PLCC

Pinout

Pin	Type	Device pin name
1	Input	INPUT/CLK
2	Input	INPUT
3	Input	INPUT
4	Input	INPUT
5	Input	INPUT
6	Input	INPUT
7	Input	INPUT
8	Input	INPUT
9	Input	INPUT
10	Power	GND
11	Input	INPUT
12	I/O	I/O
13	I/O	I/O
14	I/O	I/O
15	I/O	I/O
16	I/O	I/O
17	I/O	I/O
18	I/O	I/O
19	I/O	I/O
20	Power	VCC