DRAM 64k x 4: Difference between revisions

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'''Dynamic Random-Access Memory 64K x 4 (DIP18, 300mil)(LCC18, 330mil)(ZIP20, 100mil)'''
{| style="float: right;" border="1" cellpadding="4" cellspacing="0" class="sortable"
|+ style="background:silver" | Cross-Reference
!BRAND
!TAG
!NUMBER
!PIN COUNT
!OUTPUT
!MARKINGS
|-
|Fujitsu || MB || 81464 || DIP18 LCC18 ZIP20 ||TS || MB81464
|-
|Fujitsu || MB || 81466 || DIP18 || || MB81466
|-
|Hitachi || HM || 50464 || DIP18 || || HM50464
|-
|Hitachi || HM || 53461 || DIP24 ZIP24 || || HM53461P HM53461ZP
|-
|Matsushita || MN || 41464 || DIP18 || || MN41464
|-
|Mitsubishi || M5M || 4464 || DIP18 || || M5M4464
|-
|Mitsubishi || M5M || 4C264 || ZIP24 || || M5M4C264 M5M4C264L
|-
|NEC || uPD || 41464 || DIP18 || || uPD41464 D41464 D41464C
|-
|OKI || MSM || 41464 || DIP18 || || MSM41464
|-
|Samsung || KM || 41464 || DIP18 LCC18 ZIP20 || || KM41C464 KM41464A
|-
|Samsung || KM || 41466 || DIP18 || || KM41C466
|-
|Sharp || LH || 2464 || DIP18 || || LH2464
|-
|Texas Instruments || TMS || 4464 || DIP18 || || TMS4464
|-
|Toshiba || TC || 51464 || DIP18 || || TC51464
|-
|Toshiba || TC || 51466 || DIP18 || || TC51466
|-
|Zentrum Mikroelektronik || UD || 61464 || DIP18 || TS || UD61464
|-
|Note:
*464= Page mode
*466= Static column mode
||  ||  || ||  ||
|}
 
'''Dynamic Random-Access Memory 64K x 4 (DIP18, 300mil)(DIP24, 400mil)(LCC18, 330mil)(ZIP20, 100mil)(ZIP24, 100mil)'''


=Size=
=Size=
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|-align="left"  
|-align="left"  
!bit
!bit
!Byte
!Byte (padded 0000xxxx)
!Byte (unpadded)
!Hex
!Hex
|-
|-
|256Kb || 32KB || 40000hex
|256Kb || 64KB || 32KB || 40000hex
|}
|}
=Cross-Reference=
<pre>
BRAND TAG NUMBER CODES
Fujitsu MB 81464 MB81464 MB81466
Hitachi HM 50464 HM50464
Matsushita MN 41464 MN41464
Mitsubishi M5M   4464 M5M4464
NEC uPD 41464 uPD41464
OKI MSM 41464 MSM41464
Samsung KM 41464 KM41C464 KM41C466
Sharp LH   2464 LH2464
Texas Instruments TMS   4464 TMS4464
Toshiba TC 51464 TC51464 TC51466
Note:
*464= Page mode
*466= Static column mode
</pre>


=Pinout=
=Pinout=
<pre>
<pre>
DIP40
DIP18
         +---\/---+
         +---\/---+
     *OE | 1    18| Vss
     *OE | 1    18| Vss
Line 45: Line 72:
       A4 | 8    11| A3
       A4 | 8    11| A3
     Vcc | 9    10| A7
     Vcc | 9    10| A7
        +--------+
DIP24
        +---\/---+
      SC | 1    24| Vss
  SI/O1 | 2    23| SI/O4
  SI/O2 | 3    22| SI/O3
*DT/*OE | 4    21| *SEO
    I/O1 | 5    20| I/O4
    I/O2 | 6    19| I/O3
    *WE | 7    18| *CAS
    *RAS | 8    17| A0
      A6 | 9    16| A1
      A5 |10    15| A2
      A4 |11    14| A3
    Vcc |12    13| A7
         +--------+
         +--------+


Line 79: Line 122:
     A1 19 |
     A1 19 |
           | 20 A0
           | 20 A0
          -
ZIP24
          ^
W2/IO2  1 |
          |  2 W3/IO3
  *SE  3 |
          |  4 SIO2
  SIO3  5 |
          |  6 Vss
    SC  7 |
          |  8 SIO0
  SIO1  9 |
          | 10 *DT/*OE
W0/IO0 11 |
          | 12 W1/IO1
*WB/WE 13 |
          | 14 *RAS
    A6 15 |
          | 16 A5
    A4 17 |
          | 18 Vcc
    A7 19 |
          | 20 A3
    A4 21 |
          | 22 A1
    A7 23 |
          | 24 *CAS
           -
           -
</pre>
</pre>
Line 87: Line 159:
=Files=
=Files=
<gallery widths="150px">
<gallery widths="150px">
File:81464.pdf|81464 Datasheet
File:hm53461.pdf|HM53461 Datasheet
File:km41464A.pdf|KM41464A Datasheet
File:m5m4c264.pdf|M5M4C264 Datasheet
File:mb81464.pdf|MB81464 Datasheet
File:ud61464.pdf|UD61464 Datasheet
</gallery>
</gallery>


[[Category:RAM]]
[[Category:RAM]]
[[Category:DIP18]]
[[Category:DIP18-300mil]]
[[Category:LCC18]]
[[Category:DIP24-400mil]]
[[Category:LCC18-290x490mil]]
[[Category:ZIP20]]
[[Category:ZIP20]]
[[Category:ZIP24]]

Latest revision as of 08:59, 20 February 2024

Cross-Reference
BRAND TAG NUMBER PIN COUNT OUTPUT MARKINGS
Fujitsu MB 81464 DIP18 LCC18 ZIP20 TS MB81464
Fujitsu MB 81466 DIP18 MB81466
Hitachi HM 50464 DIP18 HM50464
Hitachi HM 53461 DIP24 ZIP24 HM53461P HM53461ZP
Matsushita MN 41464 DIP18 MN41464
Mitsubishi M5M 4464 DIP18 M5M4464
Mitsubishi M5M 4C264 ZIP24 M5M4C264 M5M4C264L
NEC uPD 41464 DIP18 uPD41464 D41464 D41464C
OKI MSM 41464 DIP18 MSM41464
Samsung KM 41464 DIP18 LCC18 ZIP20 KM41C464 KM41464A
Samsung KM 41466 DIP18 KM41C466
Sharp LH 2464 DIP18 LH2464
Texas Instruments TMS 4464 DIP18 TMS4464
Toshiba TC 51464 DIP18 TC51464
Toshiba TC 51466 DIP18 TC51466
Zentrum Mikroelektronik UD 61464 DIP18 TS UD61464
Note:
  • 464= Page mode
  • 466= Static column mode

Dynamic Random-Access Memory 64K x 4 (DIP18, 300mil)(DIP24, 400mil)(LCC18, 330mil)(ZIP20, 100mil)(ZIP24, 100mil)

Size

bit Byte (padded 0000xxxx) Byte (unpadded) Hex
256Kb 64KB 32KB 40000hex

Pinout

DIP18
         +---\/---+
     *OE | 1    18| Vss
     DO1 | 2    17| D04
     DO2 | 3    16| *CAS
     *WE | 4    15| DO3
    *RAS | 5    14| A0
      A6 | 6    13| A1
      A5 | 7    12| A2
      A4 | 8    11| A3
     Vcc | 9    10| A7
         +--------+

DIP24
         +---\/---+
      SC | 1    24| Vss
   SI/O1 | 2    23| SI/O4
   SI/O2 | 3    22| SI/O3
 *DT/*OE | 4    21| *SEO
    I/O1 | 5    20| I/O4
    I/O2 | 6    19| I/O3
     *WE | 7    18| *CAS
    *RAS | 8    17| A0
      A6 | 9    16| A1
      A5 |10    15| A2
      A4 |11    14| A3
     Vcc |12    13| A7
         +--------+

LCC18
+---------------------------------------------------------------+
|  3 DO2        |  8 A4         | 12 A2         | 17 D04        |
|  4 *WE        |  9 Vcc        | 13 A1         | 18 Vss        |
|  5 *RAS       | 10 A7         | 14 A0         |  1 *OE        |
|  6 A6         | 11 A3         | 15 DO3        |  2 DO1        |
|  7 A5         |               | 16 *CAS       |               |
+---------------------------------------------------------------+


ZIP20
          ^
   DO3  1 |
          |  2 *CAS
   DO4  3 |
          |  4 Vss
   *OE  5 |
          |  6 DO1
   DO2  7 |
          |  8 *WE
  *RAS  9 |
          | 10 NC
    NC 11 |
          | 12 A6
    A5 13 |
          | 14 A4
   Vcc 15 |
          | 16 A7
    A3 17 |
          | 18 A2
    A1 19 |
          | 20 A0
          -


ZIP24
          ^
W2/IO2  1 |
          |  2 W3/IO3
   *SE  3 |
          |  4 SIO2
  SIO3  5 |
          |  6 Vss
    SC  7 |
          |  8 SIO0
  SIO1  9 |
          | 10 *DT/*OE
W0/IO0 11 |
          | 12 W1/IO1
*WB/WE 13 |
          | 14 *RAS
    A6 15 |
          | 16 A5
    A4 17 |
          | 18 Vcc
    A7 19 |
          | 20 A3
    A4 21 |
          | 22 A1
    A7 23 |
          | 24 *CAS
          -

External links

DRAM page on wikipedia

Files

  • HM53461 Datasheet
    HM53461 Datasheet
  • KM41464A Datasheet
    KM41464A Datasheet
  • M5M4C264 Datasheet
    M5M4C264 Datasheet
  • MB81464 Datasheet
    MB81464 Datasheet
  • UD61464 Datasheet
    UD61464 Datasheet
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