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2 Mbit EPROM used in Commodore and Amiga equipment

IC number

27C220

IC function

2 Mbit (128k×16) EPROM

Component documentation

IC number	Manufacturer	Documentation
27C220	Intel	Not available

Component versions

IC number	Package
D27C220	40-pin Ceramic DIP

Positions

Amiga	Positions	Package
A3000	U182 (not installed), U183 (not installed)	DIP

Pinout

Pin	Type	Name	Signal name
			A3000
			U182	U183
1	Power	VPP	+5V
2	Input	_CS	GND
3..10	Output	D15..D8	D31..D24	D15..D8
11	Power	GND	GND
12..19	Output	D7..D0	D23..D16	D7..D0
20	Input	_OE	_ROMEN
21..29	Input	A0..A8	A2..A10
30	Power	GND	GND
31..38	Input	A9..A16	A11..A18
39	Input	_PGM	+5V
40	Power	VCC	+5V

Copyright © 2002-2004 Ronald van Dijk - All rights reserved
Last update: 10 January 2004