EPROM
For eetime results see EPROM Sensitivity
Contents
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://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 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
