DRAM 2k x 1: Difference between revisions

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(Created page with "{| style="float: right;" border="1" cellpadding="4" cellspacing="0" |+ style="background:silver" | Cross-Reference !BRAND !TAG !NUMBER !MARKINGS |- |National Semiconductors ||...")
 
 
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{| style="float: right;" border="1" cellpadding="4" cellspacing="0"
{| style="float: right;" border="1" cellpadding="4" cellspacing="0" class="sortable"
|+ style="background:silver" | Cross-Reference
|+ style="background:silver" | Cross-Reference
!BRAND
!BRAND
!TAG
!TAG
!NUMBER
!NUMBER
!PIN COUNT
!OUTPUT
!MARKINGS
!MARKINGS
|-
|-
|National Semiconductors || MM || 4262 || MM4262 MM5262
|National Semiconductors || MM || 4262 || 22 ||  || MM4262 MM4262D
|-
|National Semiconductors || MM || 5262 || 22 ||  || MM5262 MM5262D MM5262N
|}
|}


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|-align="left"  
|-align="left"  
!bit
!bit
!Byte (padded 0xxxxxxx)
!Byte (padded 0000000x)
!Byte (unpadded)
!Byte (unpadded)
!Hex
!Hex
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[[Category:RAM]]
[[Category:RAM]]
[[Category:DIP22]]
[[Category:DIP22-300mil]]

Latest revision as of 16:58, 28 December 2021

Cross-Reference
BRAND TAG NUMBER PIN COUNT OUTPUT MARKINGS
National Semiconductors MM 4262 22 MM4262 MM4262D
National Semiconductors MM 5262 22 MM5262 MM5262D MM5262N

Dynamic Random-Access Memory 2K x 1 (DIP22, 300mil)

Size

bit Byte (padded 0000000x) Byte (unpadded) Hex
2Kb 2kB 256B 800hex

Pinout

DIP22
         +---\/---+
     Vbb | 1    22| *CHIP SELECT
      NC | 2    21| DATA IN
    *R/W | 3    20| Vss
DATA OUT | 4    19| CLOCK1
     Vdo | 5    18| CLOCK3
      A5 | 6    17| CLOCK2
      A6 | 7    16| A4
      A7 | 8    15| A3
      A8 | 9    14| A2
      A9 | 10   13| A1
     A10 | 11   12| A0
         +--------+

External links

DRAM page on wikipedia

Files

  • MM4262 / MM5262 Datasheet

    MM4262 / MM5262 Datasheet

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