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74HC4520DB
74HC4520DB - Brand New PHI Counters / Dividers
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
GENERAL DESCRIPTION
The 74HC/HCT4520 are high-speed Si-gate CMOS devices and are pin compatible
with the “4520” of the “4000B” series. They are specified in compliance with
JEDEC standard no. 7A.
The 74HC/HCT4520 are dual 4-bit internally synchronous binary counters with an
active HIGH clock input (nCP0) and an active LOW clock input (nCP1), buffered
outputs from all four bit positions (nQ0 to nQ3) and an active HIGH overriding
asynchronous master reset input (nMR).
The counter advances on either the LOW-to-HIGH transition of nCP0 if nCP1 is
HIGH or the HIGH-to-LOW transition of nCP1 if nCP0 is LOW. Either nCP0 or nCP1
may be used as the clock input to the counter and the other clock input may be
used as a clock enable input. A HIGH on nMR resets the counter (nQ0 to nQ3 =
LOW) independent of nCP0 and nCP1.
FEATURES
• Output capability: standard
• ICC category: MSI
APPLICATIONS
• Multistage synchronous counting
• Multistage asynchronous counting
• Frequency dividers
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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