Difference between revisions of "EPROM"

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__FORCETOC__
 
__FORCETOC__
  
−
= mcmaster =
+
For eetime results see [[EPROM Sensitivity]]
  
−
PE-TL866-8
+
==Xenon erasure==
−
* PE-140T
+
These emit very high peak intensity and seem to erase EPROMs faster
−
* TL866
 
−
* 8" akro mills box
 
−
* Put in corner, spaced off with 1.5" t-slot
 
  
−
50%: the first time that 50% or more of bits are reported erased
 
  
−
120%: when all of the bits have been erased consistently for 20% of the runtime (actually 80% + 20% => 125%)
+
https://www.youtube.com/watch?v=_sSuzDg4ntA
  
 +
"It seems (because I got it by net auction and don't know exact company of this product), Xenon flasher for UV-rom erasing..."
 +
 +
"5 seconds possible"
 +
 +
 +
http://www.grifo.it/PROG/uk_Eraser.htm
 +
 +
Dataman Strobe Erase
 +
 +
10-30 seconds typical
 +
 +
 +
McMaster 2021-02-23
 +
 +
*Tried super high power strobe light
 +
*Tried party light
 +
*Neither erased EPROM
 +
 +
 +
McMaster working EPROM strobe
 +
 +
*https://www.youtube.com/shorts/GX4KcLDCiII
 +
*RC 250B Xenon strobe
 +
*Erase EPROM mostly ~10 seconds
 +
 +
 +
https://cdn1.goughlui.com/wp-content/uploads/2016/04/eprom-erase-speed.gif
 +
 +
==Spectroline PE-140T==
 +
McMaster "gold standard" EPROM eraser. This was pretty common at one time. There are a lot on eBay but unfortunately most are missing the tray
 +
[https://www.digchip.com/datasheets/download_datasheet.php?id=3667498&part-number=PE-140T Datasheet]
 
{| class="wikitable"
 
{| class="wikitable"
 +
|Model
 +
|Automatic
 +
Timer
 +
Shut-Off
 +
|Chip
 +
Erasing
 +
Capacity*
 +
|Typical intensity
 +
(uW/cm2)
 +
|-
 +
|PE-140
 +
|No
 +
|9
 +
|8,000
 +
|-
 +
|PE-140T
 +
|Yes
 +
|9
 +
|8,000
 +
|-
 +
|PE-240T
 +
|Yes
 +
|12
 +
|9,600
 
|-
 
|-
−
! Vendor
+
|PL-265T
−
! Model
+
|Yes
−
! Setup
+
|30
−
! Log file
+
|9,600
−
! Passes
 
−
! Erase 50% (u)
 
−
! Erase 50% (std)
 
−
! Erase 120% (u)
 
−
! Erase 120% (std)
 
−
! Note
 
 
|-
 
|-
−
|  
+
|PR-125T
−
| M27128A
+
|Yes
−
| PE-TL866-8
+
|25
−
| 2018-08-23_05_m27128a
+
|17,000
−
| 25
 
−
|  
 
−
|
 
−
| 932.3
 
−
| 9.5
 
−
|
 
 
|-
 
|-
−
|  
+
|PR-320T
−
| M27128A
+
|Yes
−
| PE-TL866-8
+
|42
−
| 2018-08-23_06_m27128a
+
|17,000
−
| 1
 
−
| 112.3
 
−
|
 
−
|  
 
−
|  
 
−
|  
 
 
|-
 
|-
−
|  
+
|PC-1100A
−
|  
+
|Yes
−
|  
+
|84
−
|  
+
|18,500
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
 
|-
 
|-
−
|  
+
|PC-2200A
−
|  
+
|Yes
−
|  
+
|168
−
|  
+
|18,500
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
 
|-
 
|-
−
|  
+
|PC-3300A
−
|  
+
|Yes
−
|  
+
|252
−
|  
+
|18,500
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
 
|-
 
|-
−
|  
+
|PC-4400A
−
|  
+
|Yes
−
|  
+
|336
−
|  
+
|18,500
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
 
|-
 
|-
−
|  
+
|PC-4420A
−
|  
+
|Yes
−
|  
+
|336
−
|  
+
|50,000**
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
 
|-
 
|-
−
|  
+
|PC-8820A
−
|  
+
|Yes
−
|  
+
|840
−
|  
+
|70,000**
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
 
|-
 
|-
−
|  
+
|PC-9920A
−
|  
+
|Yes
−
|  
+
|940
−
|  
+
|70,000**
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
−
|
 
 
|}
 
|}
 +
TL866 adapter: https://twitter.com/johndmcmaster/status/1505276794156376066
 +
 +
*There is also a larger version now that covers the entire eraser
 +
 +
===Bulb===
 +
Official bulb: Spectronics BLE-2537S
 +
 +
Walmart page claims OEM is USHIO G4T5
 +
 +
Generic name appears to be F4T5/GL
  
−
== M27128A ==
 
  
−
  M27128A @DIP28 erase avg: 932.3 sec, stdev: 9.5 sec
+
Spec sheet for similar bulb:
−
  912.0
 
−
  928.2
 
−
  928.1
 
−
  941.7
 
−
  935.3
 
−
  926.5
 
−
  926.8
 
−
  919.7
 
−
  944.2
 
−
  925.6
 
−
  941.4
 
−
  929.2
 
−
  932.5
 
−
  932.6
 
−
  956.2
 
−
  926.4
 
−
  926.5
 
−
  925.9
 
−
  941.6
 
−
  944.1
 
−
  920.1
 
−
  934.8
 
−
  935.2
 
−
  929.7
 
−
  943.9
 
  
 +
*Wattage: 4W
 +
*SuperLife: 10,000hrs
 +
*Base: Mini Bi-Pin
 +
*Lamp Shape: T5
 +
*Glass: Clear Quartz Glass
 +
*UV Emission: 254nm
 +
*Maximum Overall Length: 6"
  
−
== TMS27C256 ==
+
<br />McMaster bulbs 2022-03-21:
  
−
  TMS27C256 @DIP28 @ 9 passes
+
*Bulb 1
−
  120% erase avg: 2563.2 sec, stdev: 220.7 sec
+
**hard to read
−
    2077.6
+
**KINGRATE
−
    2300.7
+
**UVC 64TS
−
    2458.8
+
*Bulb 2
−
    2490.3
+
**BLE-2537S
−
    2621.7
+
**SPECTRONICS CORP
−
    2658.7
 
−
    2704.9
 
−
    2744.7
 
−
    2783.6
 
−
    2790.9
 
−
  50% erase avg: 1398.0 sec, stdev: 118.7 sec
 
−
    1123.6
 
−
    1260.6
 
−
    1340.4
 
−
    1389.3
 
−
    1426.0
 
−
    1456.9
 
−
    1475.5
 
−
    1491.0
 
−
    1501.6
 
−
    1514.6
 

Latest revision as of 09:01, 30 March 2022


For eetime results see EPROM Sensitivity

Xenon erasure

These emit very high peak intensity and seem to erase EPROMs faster


https://www.youtube.com/watch?v=_sSuzDg4ntA

"It seems (because I got it by net auction and don't know exact company of this product), Xenon flasher for UV-rom erasing..."

"5 seconds possible"


http://www.grifo.it/PROG/uk_Eraser.htm

Dataman Strobe Erase

10-30 seconds typical


McMaster 2021-02-23

  • Tried super high power strobe light
  • Tried party light
  • Neither erased EPROM


McMaster working EPROM strobe


https://cdn1.goughlui.com/wp-content/uploads/2016/04/eprom-erase-speed.gif

Spectroline PE-140T

McMaster "gold standard" EPROM eraser. This was pretty common at one time. There are a lot on eBay but unfortunately most are missing the tray Datasheet

Model Automatic

Timer Shut-Off

Chip

Erasing Capacity*

Typical intensity

(uW/cm2)

PE-140 No 9 8,000
PE-140T Yes 9 8,000
PE-240T Yes 12 9,600
PL-265T Yes 30 9,600
PR-125T Yes 25 17,000
PR-320T Yes 42 17,000
PC-1100A Yes 84 18,500
PC-2200A Yes 168 18,500
PC-3300A Yes 252 18,500
PC-4400A Yes 336 18,500
PC-4420A Yes 336 50,000**
PC-8820A Yes 840 70,000**
PC-9920A Yes 940 70,000**

TL866 adapter: https://twitter.com/johndmcmaster/status/1505276794156376066

  • There is also a larger version now that covers the entire eraser

Bulb

Official bulb: Spectronics BLE-2537S

Walmart page claims OEM is USHIO G4T5

Generic name appears to be F4T5/GL


Spec sheet for similar bulb:

  • Wattage: 4W
  • SuperLife: 10,000hrs
  • Base: Mini Bi-Pin
  • Lamp Shape: T5
  • Glass: Clear Quartz Glass
  • UV Emission: 254nm
  • Maximum Overall Length: 6"


McMaster bulbs 2022-03-21:

  • Bulb 1
    • hard to read
    • KINGRATE
    • UVC 64TS
  • Bulb 2
    • BLE-2537S
    • SPECTRONICS CORP
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