SN74AUC2G32DCTR Logic Gate Chip for Whatsminer P221C PSU
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SN74AUC2G32DCTR Logic Gate – Whatsminer P221C PSU
The SN74AUC2G32DCTR is a dual 2-input OR gate used on the Whatsminer P221C power supply control logic. Built for low-voltage low-power systems: 0.8 V – 2.7 V supply range, 10 µA quiescent current at 1.8 V, ±8 mA output drive at 1.8 V. Suitable for battery-powered devices and energy-efficient PSU control sections.
Operates below 1 V with a maximum propagation delay (tpd) of 1.5 ns at 1.8 V — fast enough for the control-logic timing on modern Whatsminer PSU designs. Reliable replacement when the original part fails or develops intermittent behaviour.
Typical Failure Modes Solved
- PSU control logic frozen — failed OR gate breaks the enable / sequencing chain.
- Intermittent boot failure — degraded gate dropping edges.
- Hot-failure recovery — replace after thermal-stress events.
- Production refurbishment — bulk gate stock for P221C rebuild lines.
SN74AUC2G32DCTR Specifications
| Feature | Details |
|---|---|
| Part Number | SN74AUC2G32DCTR |
| Function | Dual 2-input OR gate (AUC family) |
| Supply Voltage Range | 0.8 V – 2.7 V |
| Power Consumption | 10 µA @ 1.8 V |
| Output Drive | ±8 mA @ 1.8 V |
| Propagation Delay (tpd) | 1.5 ns max @ 1.8 V |
| Sub-1V Operation | Supported |
| Compatible PSU | Whatsminer P221C |
| Condition | Brand New |
FAQ — SN74AUC2G32DCTR Logic Gate
Q: AUC vs AUP / LVC families — interchangeable?
A: Different speed / power trade-offs. AUC = sub-volt operation. AUP = ultra-low-power. LVC = mainstream low-voltage. Match the silk marking exactly.
Q: 2-input OR — what does it do on P221C?
A: Combines two enable / status signals into one output. Critical for sequencing the PSU's primary + secondary stages during boot.
Q: Bulk pricing?
A: Yes — email contact@lys-sz.com.
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P221C repair shops stocking SN74AUC2G32DCTR? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouses.
Buying in bulk for a mining farm or repair shop?
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