SRAM 256 x 4

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	OUTPUT	MARKINGS
AMD	AM	9101	22		AM9101 AM93422
AMD	AM	9111	18		AM9111
American Semiconductors	EA	2101	22		EA2101
Fairchild	F	93422	22		F93422
Harris	HM	6551	22		HM6551
Harris	HM	6561	18		HM6561
Intel	D	2101	22	TS	I2101 I2101A 8101 8101A S5101
Intel	I	2111	18	TS	I2111
Intel	I	2112	16	TS	I2112
Intersil	MWS	5101	22		MWS5101 HM6551
Mitsubishi	M5L	2111	18		M5L2111
Motorola	MCM	5101	22		MCM5101
National Semiconductors	MM	6551	22		MM6551 74C920 MM2101
Philips	PCD	5101	22		PCD5101
RCA	CD	5101	22		CD5101 CD1822
Texas Instruments	TMS	2101	22		TMS2101 TMS2102 TMS4039
Texas Instruments	TMS	2111	18		TMS2111 TMS2112 TMS4042
Toshiba	TMM	5101	22		TMM5101

Static Random-Access Memory 256 x 4 (DIP16, 300mil)(DIP18, 300mil)(DIP22, 300mil)

Size

bit	Byte (padded 0000xxxx)	Byte (unpadded)	Hex
1Kb	512B	256B	400hex

Pinout

DIP22
    +--\/--+
A3  |1   22| Vcc
A2  |2   21| A4
A1  |3   20| *WE
A0  |4   19| *CS0
A5  |5   18| *OE
A6  |6   17| CS1
A7  |7   16| O3
GND |8   15| D3
D0  |9   14| O2
O0  |10  13| D2
D1  |11  12| O1
    +------+

DIP18
    +--\/--+
A3  |1   18| Vcc
A2  |2   17| A4
A1  |3   16| *WE
A0  |4   15| *CE1
A5  |5   14| O4
A6  |6   13| O3
A7  |7   12| O2
GND |8   11| O1
D0  |9   10| *CE2
    +------+

DIP16
    +--\/--+
A3  |1   16| Vcc
A2  |2   15| A4
A1  |3   14| *WE
A0  |4   13| *CE1
A5  |5   12| O4
A6  |6   11| O3
A7  |7   10| O2
GND |8    9| O1
    +------+

External links

SRAM page on wikipedia

Files

• 

  AM9111 Datasheet

• 2101A Datasheet

  2101A Datasheet

• I2111 Datasheet

  I2111 Datasheet

• I2112A Datasheet

  I2112A Datasheet

• 

  MWS5101 Datasheet

• 93L422 Datasheet

  93L422 Datasheet