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The GE DS200TCQAF1B DS200TCQAF1BBF 28 pin IC chip stores firmware for GE Mark V control boards. This EPROM device holds critical program code and configuration data. You will find this chip on various Mark V processor and communication boards. Its reliable design preserves data for decades.
Memory Architecture
This 28 pin IC chip provides 512KB of programmable read-only memory. Consequently, it stores complete firmware for a single board function. The GE DS200TCQAF1B DS200TCQAF1BBF uses UV-erasable EPROM technology. Moreover, the chip comes pre-programmed with specific Mark V firmware. You can replace a failed chip without reprogramming equipment.
Technical Specifications
| Parameter | Value |
|---|---|
| Memory Type | UV-EPROM (windowed) |
| Capacity | 512 KB (4 Megabit) |
| Access Time | 150 ns |
| Package Type | 28-pin DIP (ceramic) |
| Pin Pitch | 2.54 mm (0.1 inch) |
| Operating Voltage | 5V DC ±10% |
| Standby Current | 50 µA maximum |
| Active Current | 40 mA maximum |
| Programming Voltage | 12.5V DC |
| Data Retention | 20+ years |
| Dimensions | 37mm x 14mm x 4mm |
| Weight | 4.5 grams (0.16 oz) |
| UV Erasure Time | 20 minutes (254 nm) |
| Operating Temperature | 0°C to +70°C |
| Storage Temperature | -40°C to +125°C |
Pre-Programmed Firmware and Compatibility
The unit comes pre-programmed with specific Mark V firmware versions. Therefore, you do not need external programmers or software. This chip replaces the DS200TCQAF1BBF version without any board modifications. Simply remove the old chip and insert this one. GE designed this IC chip for direct compatibility. Hence, it works with all Mark V boards that use this chip type.
The quartz window allows UV erasure if reprogramming becomes necessary. The chip maintains data integrity for over twenty years. The GE DS200TCQAF1B DS200TCQAF1BBF contains all firmware for a specific board function. Accordingly, you can restore a board to full operation quickly. This chip meets original GE specifications for timing and voltage.
Installation and Handling Guide
You will need a PLCC extractor tool for safe chip removal. Use anti-static precautions when handling this CMOS device. The GE DS200TCQAF1B DS200TCQAF1BBF requires correct orientation for proper operation. Always align the notch or dot with the socket indicator. Do not expose the quartz window to direct sunlight or UV light.
Cover the window with an opaque label after installation. UV exposure can erase the chip over time. The GE DS200TCQAF1B DS200TCQAF1BBF works with specific GE Mark V board revisions. Verify compatibility before ordering this IC chip. Proper insertion prevents bent pins and socket damage.