Texas Instruments TMS9900NL
Specifications
| General information | |
| Type | CPU / Microprocessor |
| Family | Texas Instruments TMS9900 |
| CPU part number | TMS9900NL is an OEM/tray microprocessor |
| Frequency (MHz) ? | 3.3 |
| Package | 64-pin plastic DIP |
| Architecture / Microarchitecture | |
| Manufacturing process | N-channel silicon-gate MOS process |
| Data width | 16 bit |
| Physical memory (KB) | 64 |
| Electrical/Thermal parameters | |
| V core (V) ? | -5 |
| V I/O or secondary (V) | 5 |
| V tertiary (V) | 12 |
| Minimum/Maximum operating temperature (°C) ? | 0 - 70 |
| Typical/Maximum power dissipation (W) | 0.55 / 0.96 |
Pictures (2)
| Texas Instruments TMS9900NL | |
3.3 MHz 64-pin plastic DIP |
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| TMS9900ML Removed from TI99/4a | |
I attempted to desolder the chip, but it did not go as well as I had hoped. Still some good detail in the scan, though. |
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Comments (1)
TMS9900NL CPU
2005-12-05 08:43:35
Posted by: Charles Clarke
This cpu was used in a number of "industrial" computers manufactured for the Civil Engineering field. (James Cox of Colfax California)
Computers included Lcd display and control panel, main system unit 12"x12"x24" approx. Data collection hardware and software, data storage system consisting of a direct drive data cassette to write data and a small thermal printer. These were mounted in engineering equipment or vehicles to collect field data. Date of manufacture 1986-1990
The cpu was also reported to be the same as the one used in the TI99/4a Home computer...
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