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HT1621

Features: · Operating voltage : 2.4V~5.2V·Built-in 256kHz RC oscillator·External 32.768kHz crystal or 256kHz frequency source input·Selection of 1/2 or 1/3 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/4k...

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SeekIC No. : 004366583 Detail

HT1621: Features: · Operating voltage : 2.4V~5.2V·Built-in 256kHz RC oscillator·External 32.768kHz crystal or 256kHz frequency source input·Selection of 1/2 or 1/3 bias, and selection of 1/2 or 1/3 or 1/4 d...

HT1621 Data Sheet

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Part Number:
HT1621
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Operating voltage : 2.4V~5.2V
·Built-in 256kHz RC oscillator
·External 32.768kHz crystal or 256kHz frequency source input
·Selection of 1/2 or 1/3 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
·32X4 LCD driver
·Built-in 32X4 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




Pinout

Connection Diagram




Specifications

Supply Voltage.................................-0.3V~5.5V
Storage Temperature....................-50~125
Input Voltage ..................VSS-0.3V~VDD+0.3V
Operating Temperature..................-25~75

Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.





Description

The HT1621 is a 128 pattern (32X4), memory mapping, and multi-function LCD driver. The S/W configuration feature of it makes it suitable for multiple LCD applications including LCD modules and display subsystems. Only three or four lines are required for the interface between the host controller and the it. The HT1621 contains a power down command to reduce power consumption.






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