SRAM 16 x 4: Difference between revisions

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!MARKINGS
!MARKINGS
|-
|-
|Texas|| SN || 7489 || SN7489
|Fairchild|| FC || 7489 74189 9389 || FC7489 FC9389 74F189
|-
|Fujitsu|| MB || 461 || MB461
|-
|-
|Fairchild|| FC || 7489 74189 9389 || FC7489 FC9389 74F189
|Mitsubishi|| M || 74289 || M74289
|-
|-
|National|| DM || 5489 7489 || DM5489 DM7489 DM54L89A DM74L89A
|National|| DM || 5489 7489 || DM5489 DM7489 DM54L89A DM74L89A
|-
|Signetics|| N || 7489 || N7489
|-
|-
|Siemens|| FLQ || 101 || FLQ101
|Siemens|| FLQ || 101 || FLQ101
|-
|-
|Fujitsu|| MB || 461 || MB461
|Signetics|| N || 7489 || N7489
|-
|Mitsubishi|| M || 74289 || M74289
|-
|-
|Texas|| SN || 7489 || SN7489  
|Texas|| SN || 7489 || SN7489  
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!Hex
!Hex
|-
|-
|256Kb || 64KB || 32KB || 40000hex
|64b || 16B || 8B || 40hex
|}
|}


Revision as of 12:01, 21 July 2016

Cross-Reference
BRAND TAG NUMBER MARKINGS
Fairchild FC 7489 74189 9389 FC7489 FC9389 74F189
Fujitsu MB 461 MB461
Mitsubishi M 74289 M74289
National DM 5489 7489 DM5489 DM7489 DM54L89A DM74L89A
Siemens FLQ 101 FLQ101
Signetics N 7489 N7489
Texas SN 7489 SN7489

Bipolar RAM 16 x 4 (DIP16, 300mil)

Size

bit Byte (padded 0000xxxx) Byte (unpadded) Hex
64b 16B 8B 40hex

Note:

Pinout

    +--\/--+
A0  |1   16| Vcc
*ME |2   15| A1
*WE |3   14| A2
D1  |4   13| A3
*Q1 |5   12| D4
D2  |6   11| *Q4
*Q2 |7   10| D3
GND |8    9| *Q3
    +------+

External links

Files

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