DRAM 4k x 1

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Cross-Reference
BRAND TAG NUMBER PIN COUNT OUTPUT MARKINGS
AMD Am 9060 Am9060
Intel I 2104 16 TS I2104 I2104A
Intel D 2107 D2107
Intersil IM 7027 16 IM7027
Micronas ITT 4027 ITT4027
Mostek MK 4027 16 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 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