DRAM 4k x 1: Difference between revisions

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!MARKINGS
!MARKINGS
|-
|-
|AMD || Am || 9060 || || || Am9060
|AMD || Am || 9060 || 22 || TS || Am9060
|-
|-
|Intel || I || 2104 || 16 || TS || I2104 I2104A
|Intel || I || 2104 || 16 || TS || I2104 I2104A
|-
|-
|Intel || D || 2107 || || || D2107
|Intel || D || 2107 || 22 || TS || D2107 D2107C
|-
|-
|Intersil || IM || 7027 || 16 || || IM7027
|Intersil || IM || 7027 || 16 || TS || IM7027
|-
|-
|Micronas || ITT || 4027 || || || ITT4027
|Micronas || ITT || 4027 || 16 || TS || ITT4027
|-
|-
|Mostek|| MK || 4027 || 16 || || MK4027
|Mostek|| MK || 4027 || 16 || TS || MK4027
|-
|-
|National Semiconductors || MM || 5280 || || || MM5280
|National Semiconductors || MM || 5280 || 22 || TS || MM5280
|-
|-
|Texas Instruments || TMS || 4060 || || || TMS4060
|Texas Instruments || TMS || 4060 || 22 || TS || TMS4060 TMS4060JL TMS4060NL
|}
|}


Revision as of 14:31, 16 January 2017

Cross-Reference
BRAND TAG NUMBER PIN COUNT OUTPUT MARKINGS
AMD Am 9060 22 TS Am9060
Intel I 2104 16 TS I2104 I2104A
Intel D 2107 22 TS D2107 D2107C
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

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