HT1381 - Holtek

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

HT1381
Manufacturer

Holtek
ChipWorker Part#

CW3111384
Package

SOIC-8
Description

Serial Timekeeper Chip, 8Pin SOP,
Documentation

Datasheet

HT1381 Global Supplier

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HT1381 Specifications

Attribute	Attribute Value

Part Number	HT1381
Manufacturer	Holtek
ChipWorker Part#	CW3111384
Documentation	Datasheet
Number of Pins	8 Pin
Case/Package	SOIC-8
Operating Voltage	2V ~ 5.5V
	expand all
Product Lifecycle Status	Unknown
RoHS	Non-Compliant

Product Description

General Description
The HT1380/HT1381 is a serial timekeeper IC which provides seconds, minutes, hours, day, date, month and year information. The number of days in each month and leap years are automatically adjusted. The HT1380/HT1381 is designed for low power consumption and can operate in two modes: one is the 12-hour mode with an AM/PM indicator, the other is the 24-hour mode.
Features
• Operating voltage: 2.0V~5.5V
• Maximum input serial clock: 500kHz at VDD=2V, 2MHz at VDD=5V
• Operating current: less than 400nA at 2V, less than 1.2 μA at 5V
• TTL compatible
- VIH: 2.0V~VDD+0.3V at VDD=5V
- VIL: -0.3V~+0.8V at VDD=5V
• Two data transmission modes: single-byte, or burst mode
• Serial I/O transmission
• All registers store BCD format
• HT1380: 8-pin DIP package
HT1381: 8-pin SOP package
Applications
• Microcomputer serial clock
• Clock and Calendar

expand all

Delivery

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Ordering Information

Order Payment Shipping Package Quality Assurance

These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
- Please check the technical specifications of the products when ordering.
- MOQ is the minimum order quantity required to purchase each part.
- If you have special ordering instructions, please indicate them on the order page.
- Pre-Shipment Inspection (PSI) will be used when ordering.
- You can check the status of your order in the “My Order” section of your personal account.
- Orders cannot be canceled after the package has been shipped. View more >
- Works with both individual and corporate clients. View more >
- All prices on the website include 20% VAT.
- Invoices are issued in the currency specified, but payment is made in Russian rubles at the exchange rate on the day of payment.
- If you need a detailed invoice or a tax identifier, please contact us.
- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more >
- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
- Income quality control (IQC), 800+ qualified distributors.
- Authorities test the chip to ensure the quality, authenticity and safety of your device.
- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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