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MC14578P
MC14578P - Brand New Freescale / NXP Specialized ICs
Credit Card - One-month free return and one year warranty.
- Full or Partial Refund, if the item is not as described
- Full Refund if you don't receive your order
Product Details
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CMOS Mlcro-Power Comparator plus Voltage Follower
**The MC14578 is an analog building block consisting of a very–high input
impedance comparator. The voltage follower allows monitoring the noninverting input of the comparator without loading.**
Four enhancement–mode MOSFETs are also included on chip. These FETs can be
externally configured as open–drain or totem–pole outputs. The drains have
on–chip static–protecting diodes. Therefore, the output voltage must be
maintained between VSS and VDD.
The chip requires one external component. A 3.9 MΩ ±10% resistor must be
connected from the Rbias pin to VDD. This circuit is designed to operate in
smoke detector systems that comply with UL217 and UL268 specifications.
• Applications:
Pulse Shapers Line–Powered Smoke Detectors
Threshold Detectors Liquid/Moisture Sensors
Low–Battery Detectors CO Detector and Micro Interface
• Operating Voltage Range: 3.5 to 14 V
• Operating Temperature Range: -30° to 70°C
• Input Current (IN + Pin): ±1 pA @ 25°C (DIP Only)
• Quiescent Current: 10 µA @ 25°C
• Electrostatic Discharge (ESD) Protection Circuitry on All Pins
Shipping
| First item | Additional item | Service | Description |
|---|---|---|---|
| $0.00 | Free | Free Shipping | Estimated 15-30 business days via Registered Air Mail or others |
| $27.50 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
| $0.00 | Free | Buyer cooperating carrier | Using buyer's cooperating carrier. Buyer should create a shipping label and share it to us. And then we will call carrier for pickup |
| $38.00 | Free | Expedited Shipping | Estimated delivery time is 3-5 business days, with some areas possibly taking 6-9 business days depending on the shipping address. The main courier companies include but are not limited to UPS, DHL, and FedEx. |
Delivery
- The transportation time may be delayed due to customs clearance, local holidays or abnormal events.
- The estimated time is based on the fastest speed provided by commercial couriers (DHL, FedEx, UPS etc).
- The estimated time does not include the lead time of the item. The lead time of most items is 2–5 business days. If more than 5 working days are needed, we will manually confirm with you.
| Flag | Country | Express Delivery | Standard Delivery |
|---|---|---|---|
 | United States | 3 - 5 days | 10-15 days |
 | Canada | 3 - 5 days | 10-20 days |
 | Mexico | 3 - 5 days | 10-17 days |
 | Germany | 3 - 5 days | 10-12 days |
 | Italy | 3 - 5 days | 10-15 days |
 | United Kingdom | 3 - 5 days | 10-12 days |
Estimated Delivery
This item requires 2-5 business days for processing before shipping after payment is confirmed. And depending on the destination and shipping method.
Return Policy
| Return window | Refund type | Return shipping |
|---|---|---|
| 60 days after receiving item | Money Back or Replacement | Buyer pays for return shipping |
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