DRAM 4k x 1

Cross-Reference

BRAND	TAG	NUMBER	MARKINGS
AMD	Am	9060	Am9060
Intel	D	2107	D2107
Intersil	IM	7027	IM7027
Micronas	ITT	4027	ITT4027
Mostek	MK	4027	MK4027
National Semiconductors	MM	5280	MM5280
Texas Instruments	TMS	4060	TMS4060

Dynamic Random-Access Memory 4K x 1 (DIP16, 300mil)(DIP22, 300mil)

Size

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

Pinout

DIP16 (only Intersil IM7027 and Mostek MK4027)
      +--\/--+
  Vbb |1   16| GND
  Din |2   15| *CAS
   *W |3   14| Dout
 *RAS |4   13| *CS
   A0 |5   12| A3
   A2 |6   11| A4
   A1 |7   10| A5
  Vdd |8    9| Vcc
      +------+


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

External links

DRAM page on wikipedia

Files

• 

  Am9060 Datasheet

• 2107 Datasheet

  2107 Datasheet

• 

  MK4027 Datasheet

• 

  MM5280 Datasheet

• 

  TMS4060 Datasheet