2 layers47 × 32 mm
Tl866-tsop mrom reverse
devinacker/tl866-tsop-mrom
TL866 adapter boards for reading TSOP48 mask ROMs
4 parts5
2 layers47 × 32 mm
Tl866-tsop mrom
devinacker/tl866-tsop-mrom5TL866 adapter boards for reading TSOP48 mask ROMs
- Size
- 47 × 32 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 4
- Nets
- 48
- Pads
- 98
- Tracks, vias
- 203, 4
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 14 Sep 2024
- Updated
- 14 Sep 2024
Overview
Tl866-tsop mrom is an open-source printed circuit board by devinacker, from the devinacker/tl866-tsop-mrom repository on GitHub. It is a 2-layer board of 47 × 32 mm with 4 parts on 48 nets, routed with 203 tracks and 4 vias.
Its parts include 2 connectors, 1 resistor and 1 IC. It belongs with the interfaces and adapters boards of this library.
README
README.mdThis is a series of adapter boards designed to allow reading 16-bit TSOP48 mask ROMs using a TL866-series programmer. These ROMs have a pinout which is not compatible with the standard pinout used by TSOP48 EPROM/flash chips, and can be identified by pin 1 (/BYTE) being tied to either Vcc or ground. Sometimes these ROMs are manufactured with reverse pinouts (pins 1-24 on the right); this set of adapters is designed for both normal and reverse pinouts.
The adapters fit onto the same SN001 expansion board used for the regular SOP/TSOP adapters, and allow reading the chips as the corresponding 29-series flash chips (e.g. 29F800). ROM sizes from 8 to 64 Mbit are supported.
The following configurations are available:
- TL8-MT: normal pinout
- TL8-MTR: reverse pinout
- TL8-MTS: normal pinout, ZIF socket
- TL8-MTSR: reverse pinout, ZIF socket
Solder pads on the socket-less adapters are elongated to support both 16.4mm and 18.4mm chips.
Zipped gerbers are available from the releases section.
Notes
- When reading, disable "Check ID" as this option is not supported by mask ROMs.
- If Pin Detect is enabled, the programmer will report errors on pins 11, 12, and 15, which are flash programming pins that don't exist on mask ROMs. If no other pins report errors, you can safely disable pin detection.
- Pin 47 (/BYTE) may also display an error on mask ROMs that don't support byte mode - check your ROM's datasheet. The programmer should still use word mode when reading.
- The resistor R1 is a pulldown on A21, which is a ground pin on ROMs smaller than 64 Mbit. If you only plan on reading smaller ROMs, you can also use a 0-ohm or small wire jumper here.
Parts
| Ref | Part |
|---|---|
| J1, J2 | 2x12 female pin header, 2.54mm pitch |
| R1 | 1206, 3.3k |
| U1 | ANDK TSOP48-0.5-OTS04 (socketed boards only) |
Board images
License
These PCBs are released under the Creative Commons Attribution-ShareAlike 4.0 (CC BY-SA) license.
Parts
4| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | ~ | Connector_PinSocket_2.54mm:PinSocket_2x12_P2.54mm_Vertical | J1, J2 |
| 1 | 3.3k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1 |
| 1 | ~ | tl866-tsop-mrom:TSOP-I-48_16.4x12mm_ext | U1 |
More from devinacker/tl866-tsop-mrom
3- 2 layers47 × 32 mm
- 2 layers47 × 32 mm
Tl866-tsop mrom reverse
devinacker/tl866-tsop-mrom
TL866 adapter boards for reading TSOP48 mask ROMs
4 parts5
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Questions
How big is the Tl866-tsop mrom PCB?
It measures 47 × 32 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Tl866-tsop mrom use?
4 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Tl866-tsop mrom KiCad files?
From the devinacker/tl866-tsop-mrom repository on GitHub, at the commit this page was made from: the board is pcb-normal/tl866-tsop-mrom.kicad_pcb and its schematic pcb-normal/tl866-tsop-mrom.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Tl866-tsop mrom design in my own project?
Its repository states no licence, so its author keeps all rights: ask devinacker before reusing the design.