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HT16514, HT16561, HT1656144QFP

Table of contents:
Info of HT16514
Info of HT16561
Info of HT1656144QFP

HT16514, HT16561, HT1656144QFP Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:LQFP-144 D/C:08+

HT16514, HT16561, HT1656144QFP Datasheet download

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Part Number: HT16514

MFG: HOLTEK

Package Cooled: LQFP-144

D/C: 08+

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HT16514 General Description

The HT16514 is a Vacuum Fluorescent Display, VFD controller/driver with dot matrix VFD display. It consists of 80 segment output lines and 24 grid output lines. It can display up to 16Cx2L, 20Cx2L, 24Cx2L.

The HT16514 has a character generator ROM which stores up to 248x5x8 dot characters.

The HT16514 has serial/parallel interface. This VFD controller/driver is ideal as an MCU peripheral device.

HT16514 Maximum Ratings

Logic Supply Voltage .................V_SS-0.3V to V_SS+6.0V
Driver Supply Voltage ................V_SS-0.3V to V_SS+80V
Input Voltage............................V_SS-0.3V to V_DD+0.3V
Output Voltage..........................V_SS-0.3V to V_DD+0.3V
Driver Output Voltage...........................V_SS-0.3V to V_H
Driver Output Current .....................................±50mA
Driver Output Current (Total) .................500 (Est.) mA
Storage Temperature ............................-55 to 125
Operating Temperature...........................-40 to 85

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.

HT16514 Features

` Logic voltage: 2.7V~5.5V
` High voltage: 60V (max.)
` Provides a driving segment for cursor display (48 units)
` Alphanumeric and symbolic display through built-in ROM
` 80*8-bit display RAM
` On chip ROM (58 dot), in total 248 characters, plus 8 user-defined characters
` Customized ROM acceptable
` Display contents:
    - 16 columns by 2 (1) rows + 32 (16) cursors
    - 20 columns by 2 (1) rows + 40 (20) cursors
    - 24 columns by 2 (1) rows + 48 (24) cursors
` Supports display output (80-segment & 24-grid)
` Parallel data input/output (switchable 4 bit or 8 bit) or serial data input/output
` Built-in oscillation circuit
` 144-pin LQFP package

HT16514 Typical Application

· Consumer products panel function control
· Industrial measuring instrument panel function control
· Other similar application panel function control

HT16514 Connection Diagram

HT16561 General Description

The HT16561 provides direct drive to VFD panels to implement a 12 hour clock function. In addition to obtaining its time base from a 4.194304MHz crystal oscillation source and in having a wide operating voltage, the device also contains a host of other features. These include a choice of adjustment modes, including single push increment or 2Hz fast forward functions. Additional features are provided in the form of Zero adjustment and four levels of contrast control.

HT16561 Maximum Ratings

Logic Supply Voltage ................. VSS-0.3V to VSS+6.5V
Driver Supply Voltage ................. VSS-0.3V to VSS+20V
High Input Voltage .................... VSS-0.3V to VCC+0.3V
High Output Voltage .................. VSS-0.3V to VCC+0.3V
Driver Output Voltage......................... .VSS-0.3V to VDD
Driver Output Current (Segment Driver) -10mA to +2mA
Driver Output Current (Grid Driver) ...... -7mA to +20mA
Storage Temperature.......................... -55 to +150
Operating Temperature......................... -40 to +85

HT16561 Features

· VFD display 12 hour clock function
· 4.194304MHz crystal oscillation
· Zero adjust function
· Integrated voltage regulator permits wide 4V to 16V operating voltage range
· Four level contrast control function
· 44-pin QFP package

HT16561 Connection Diagram

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