Pinouts - 2901 family

2901 bit-slice processor - DIP 40 package

Manufacturers: AMD, National Semiconductor

	A3		1		40		OE
	A2		2		39		Y3
	A1		3		38		Y2
	A0		4		37		Y1
	I6		5		36		Y0
	I8		6		35		P
	I7		7		34		OVR
	RAM3		8		33		CN+4
	RAM0		9		32		G
	VCC		10		31		F3
	F = 0		11		30		GND
	I0		12		29		CN
	I1		13		28		I4
	I2		14		27		I5
	CP		15		26		I3
	Q3		16		25		D0
	B0		17		24		D1
	B1		18		23		D2
	B2		19		22		D3
	B3		20		21		Q0

2903, 29203 bit-slice processor - DIP 48 package

Manufacturers: AMD, National Semiconductor

	QIO0		1		48		QIO3
	EA		2		47		B3
	DA0		3		46		B2
	DA1		4		45		B1
	DA2		5		44		B0
	DA3		6		43		CP
	I2		7		42		I0
	I3		8		41		I1
	I4		9		40		Write/MSS
	CN		10		39		LSS
	CN+4		11		38		IEN
	F/OVR		12		37		WE
	GND		13		36		VCC
	G/N		14		35		I5
	OEY		15		34		I6
	Y0		16		33		I7
	Y1		17		32		I8
	Y2		18		31		OEB
	Y3		19		30		A0
	SIO0		20		29		A1
	SIO3		21		28		A2
	Z		22		27		A3
	DB0		23		26		DB3
	DB1		24		25		DB2

2909A microprogram sequencer - DIP 28 package

Manufacturers: AMD, National Semiconductor

	RE		1		28		VCC
	R3		2		27		CP
	R2		3		26		PUP
	R1		4		25		FE
	R0		5		24		CN+4
	OR3		6		23		CN
	D3		7		22		OE
	OR2		8		21		Y3
	D2		9		20		Y2
	OR1		10		19		Y1
	D1		11		18		Y0
	OR0		12		17		S1
	D0		13		16		S0
	GND		14		15		Zero

2910A microprogram controller - DIP 40 package

Manufacturers: AMD, National Semiconductor

	Y4		1		40		D3
	D4		2		39		Y3
	Y5		3		38		D2
	D5		4		37		Y2
	VECT		5		36		D1
	PL		6		35		Y1
	MAP		7		34		D0
	I3		8		33		Y0
	I2		9		32		CN
	VCC		10		31		CP
	I1		11		30		GND
	I0		12		29		OE
	CCEN		13		28		Y11
	CC		14		27		D11
	RLD		15		26		Y10
	Full		16		25		D10
	D6		17		24		Y9
	Y6		18		23		D9
	D7		19		22		Y8
	Y7		20		21		D8

2911A microprogram sequencer - DIP 20 package

Manufacturers: AMD, National Semiconductor

	CP		1		20		PUP
	VCC		2		19		FE
	RE		3		18		CN+4
	D3		4		17		CN
	D2		5		16		OE
	D1		6		15		Y3
	D0		7		14		Y2
	GND		8		13		Y1
	Zero		9		12		Y0
	S0		10		11		S1