DRAM 4k x 1

Cross-Reference

BRAND	TAG	NUMBER	PIN COUNT	OUTPUT	MARKINGS
AMD	Am	9060	22	TS	Am9060
Intel	I	2104	16	TS	I2104 I2104A
Intel	D	2106			D2106A
Intel	D	2107	22	TS	D2107 D2107A D2107B D2107C
Intel	D	8107	22	TS	D8107B
Intersil	IM	7027	16	TS	IM7027
Micronas	ITT	4027	16	TS	ITT4027
Mostek	MK	4027	16	TS	MK4027
National Semiconductors	MM	5280	22	TS	MM5280
Texas Instruments	TMS	4060	22	TS	TMS4060 TMS4060JL TMS4060NL

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

Size

bit	Byte (padded 0000000x)	Byte (unpadded)	Hex
4Kb	4KB	512B	1000hex

Pinout

DIP16 (only Intel I2104 I2104A, 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

• 

  D2104A Datasheet

• 

  D2107 Datasheet

• 

  D8107B Datasheet

• 

  MK4027 Datasheet

• 

  MM5280 Datasheet

• 

  TMS4060 Datasheet