| View previous topic :: View next topic |
| Author |
Message |
CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
|
 Posted: Mon Feb 24, 2020 7:50 pm Post subject: CPU Shack: 10x National NS486SXL-25 CPUs - 5 Left |
 |
|
Here are some nice uncommon National Semiconductor 486 CPUs
These are in a PQFP132 package and run at 25MHz at 5V
They have a built in DRAM controller (16MB max)
It also has a 1K instruction cache and is optimized for use with RTOS's
It has a 32-bit Address bus but only a 16-bit Data bus
These are New Old Stock
10x NS486SXL-25 Rev A NOS $12 each or a pair for $20
_________________
New for 2025! The CPU Shack has a co-processor!
Visit The CPU Shack of microprocessor history and information.
Last edited by CPUShack on Tue Feb 25, 2020 12:43 pm; edited 1 time in total |
|
| Back to top |
|
 |
black_monolith
Joined: 18 Mar 2007
Posts: 248
Location: Shandong, China
|
| Posted: Mon Feb 24, 2020 9:14 pm Post subject: |
|
|
| These are really weird chips. Are they Cyrix based? |
|
| Back to top |
|
|
CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
|
|
| Back to top |
|
|
feipoa
Joined: 08 Mar 2011
Posts: 553
Location: Canada
|
| Posted: Mon Feb 24, 2020 10:50 pm Post subject: |
|
|
I thought SXL chips had 8 KB L1 cache? Guess that's only true for TI branded chips?
_________________
The only thing I hate more than straightening CPU pins is having CPU's with bent pins in my collection. |
|
| Back to top |
|
|
CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
|
| Posted: Mon Feb 24, 2020 10:54 pm Post subject: |
|
|
| feipoa wrote: | | I thought SXL chips had 8 KB L1 cache? Guess that's only true for TI branded chips? |
These have other stuff on die, so they maybe reduced it to make more room and save power
_________________
New for 2025! The CPU Shack has a co-processor!
Visit The CPU Shack of microprocessor history and information. |
|
| Back to top |
|
|
Andreycpu
Joined: 13 Feb 2016
Posts: 1216
Location: Russia
|
| Posted: Tue Feb 25, 2020 12:43 am Post subject: |
|
|
| one please |
|
| Back to top |
|
|
Andreycpu
Joined: 13 Feb 2016
Posts: 1216
Location: Russia
|
| Posted: Tue Feb 25, 2020 1:05 am Post subject: |
|
|
| I have a manual for SXF if can help. |
|
| Back to top |
|
|
iPonRMA
Joined: 28 Oct 2012
Posts: 256
Location: Hungary
|
| Posted: Tue Feb 25, 2020 1:57 am Post subject: |
|
|
| Pair please |
|
| Back to top |
|
|
cvandijk
Joined: 21 Jul 2016
Posts: 3589
Location: Netherlands
|
| Posted: Tue Feb 25, 2020 2:03 am Post subject: |
|
|
| Nice one, 1 for me, thanks |
|
| Back to top |
|
|
tunder10
Joined: 08 Nov 2006
Posts: 5001
Location: italy
|
| Posted: Tue Feb 25, 2020 6:24 am Post subject: |
|
|
| one for me, thanks |
|
| Back to top |
|
|
CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
|
|
| Back to top |
|
|
|
![[ Hidden ]](https://cdn.cpu-world.com/forum/templates/CPUWorld/images/lang_english/icon_email.gif "[ Hidden ]"){kind=icon}