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HV518
  • HV518
  • HV518

HV518

In Production

The HV518 is designed for vacuum fluorescent or DC plasma applications, where it can serve as a segment, digit or matrix display driver. Each device has 32 outputs, 32 latches and a 32-bit cascadable shift register. Serial data enters the shift register on the LOW-to-HIGH transition of the clock input. With latch enable (LE) HIGH, parallel data is transferred to the output buffers through a 32-bit latch. When LE is low the data is stored in the latch. When STROBE (STR) is LOW, all outputs are enabled; if STROBE is HIGH, all outputs are LOW....

Microchip Technology HV518 Product Info

16 April 2026 0

Parameters

Type

Source-Sink

Output Channels

32

Vout Operating (V) - Transient

90

Vout Operating (V) - Sustained

80

Iout (mA) per Channel

-25.0, +2.0

Output Structure

Half-Bridge

Input Structure

Serial

Minimum Data Clock (MHz)

6

General Description

Serial to parallel converter with latches, enable, and strobe; Specially targetd as Vacuum-Fluorescent Display Drive

Package

44/PLCC 40/PDIP

Features

    • 32 output lines
    • 90V output swing
    • Active pull-down
    • Latches on all outputs
    • Up to 6.0MHz @ VDD = 5.0V
    • -40°C to +85°C operation

Description

The HV518 is designed for vacuum fluorescent or DC plasma applications, where it can serve as a segment, digit or matrix display driver. Each device has 32 outputs, 32 latches and a 32-bit cascadable shift register. Serial data enters the shift register on the LOW-to-HIGH transition of the clock input. With latch enable (LE) HIGH, parallel data is transferred to the output buffers through a 32-bit latch. When LE is low the data is stored in the latch. When STROBE (STR) is LOW, all outputs are enabled; if STROBE is HIGH, all outputs are LOW.

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