SRAM 16 x 4: Difference between revisions
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|+ style="background:silver" | Cross-Reference | |||
!BRAND | |||
!TAG | |||
!NUMBER | |||
!MARKINGS | |||
|- | |||
|Fujitsu || MB || 81256 || MB81256 MB81257 MB81258 | |||
|- | |||
| || || || | |||
|} | |||
'''Bipolar RAM 16 x 4 (DIP16, 300mil)''' | |||
=Size= | |||
{| border="1" cellpadding="4" cellspacing="0" | |||
|-align="left" | |||
!bit | |||
!Byte (padded 0000xxxx) | |||
!Byte (unpadded) | |||
!Hex | |||
|- | |||
|256Kb || 64KB || 32KB || 40000hex | |||
|} | |||
==Note:== | |||
=Pinout= | |||
<pre> | <pre> | ||
+--\/--+ | +--\/--+ | ||
| Line 18: | Line 38: | ||
GND |8 9| *Q3 | GND |8 9| *Q3 | ||
+------+</pre> | +------+</pre> | ||
=External links= | |||
=Files= | =Files= | ||
Revision as of 11:53, 21 July 2016
| BRAND | TAG | NUMBER | MARKINGS |
|---|---|---|---|
| Fujitsu | MB | 81256 | MB81256 MB81257 MB81258 |
Bipolar RAM 16 x 4 (DIP16, 300mil)
Size
| bit | Byte (padded 0000xxxx) | Byte (unpadded) | Hex |
|---|---|---|---|
| 256Kb | 64KB | 32KB | 40000hex |
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
-
7489 Datasheet
