DRAM 4k x 1

Cross-Reference

BRAND	TAG	NUMBER	MARKINGS
AMD	Am	9060	Am9060
Intel	D	2107	D2107
Intel	I	2197	I2197
National Semiconductors	MM	5280	MM5280
Texas Instruments	TMS	4060	TMS4060
OTHERS			4027

Dynamic Random-Access Memory 4K x 1 (DIP22, 300mil)

Size

bit	Byte (padded 0xxxxxxx)	Byte (unpadded)	Hex
4Kb	4KB	512B	1000hex

Pinout

DIP22
     +--\/--+
 Vbb |1   22| Vss
  A9 |2   21| A8
 A10 |3   20| A7
 A11 |4   19| A6
 *CS |5   18| Vdd
  DI |6   17| CE
 *DO |7   16| NC
  A0 |8   15| A5
  A1 |9   14| A4
  A2 |10  13| A3
 Vcc |11  12| *WE
     +------+

External links

DRAM page on wikipedia

Files

• I2107 Datasheet

  I2107 Datasheet