HT1621B - Holtek

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

Popularity Score

211 points

Part No

HT1621B
Manufacturer

Holtek
ChipWorker Part#

CW674934
Package

LQFP-48
Description

LCD Driver 3.3V
Documentation

Datasheet
Ships from

Moscow
Наличие

21291 pcs In Stock
Estimated Price

$ 0.27

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HT1621B Global Supplier

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ChipWorker Qualifications — ISO 9001, ISO 45001, ISO 14001, MA Certification. Over 11 years of experience, more than 1000 clients in Russia, support for small MOQ

11+ years sourcing experience

1000+ russia customers

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HT1621B Specifications

Consulting Engineer >>

Attribute	Attribute Value

Part Number	HT1621B
Manufacturer	Holtek
ChipWorker Part#	CW674934
Documentation	Datasheet
Case/Package	LQFP-48
	expand all
RoHS	RoHS Compliant
HK STC License	NLR

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Product Description

General Description
The HT1621 is a 128 pattern (324), memory mapping, and multi-function LCD driver. The S/W configuration
feature of the HT1621 makes it suitable for multiple LCD applications including LCD modules and display sub
systems. Only three or four lines are required for the in terface between the host controller and the HT1621.
The HT1621 contains a power down command to reduce power consumption.
Features
Operating voltage: 2.4V~5.2V
Built-in 256kHz RC oscillator
External 32.768kHz crystal or 256kHz frequency source input
Selection of 1/2or1/3 bias, and selection of 1/2 or 1/3 or 1/4 duty LCD applications
Internal time base frequency sources
Two selectable buzzer frequencies (2kHz/4kHz)
Power down command reduces power consumption
Built-in time base generator and WDT
Time base or WDT overflow output
8 kinds of time base/WDT clock sources
324 LCD driver
Built-in 324 bit display RAM
3-wire serial interface
Internal LCD driving frequency source
Software configuration feature
Data mode and command mode instructions
R/W address auto increment
Three data accessing modes
VLCD pin for adjusting LCD operating voltage
HT1621: 44-pin QFP/LQFP package
HT1621B: 48-pin SSOP/LQFP packages
HT1621G: Gold bumped chip

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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 22% 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