Datasheet > HV574

HV574

更新时间： 2024-09-16 14:56:03

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
18页	695K
描述
The HV574 is a low-voltage serial to high-voltage parallel con-verter with push-pull outputs. This

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HV574 数据手册

HV574

80-Channel 100 MHz Serial-to-Parallel Converter with Push-Pull Outputs

Features

General Description

• 5V CMOS Logic

The HV574 is

low-voltage to high-voltage

serial-to-parallel converter with push-pull outputs. This

device is designed as a driver for printer applications. It

can also be used in any application requiring

• 80V Maximum Output Voltage

• Low-power Level Shifting

• 100 MHz Equivalent Data Rate using Four

Dynamic Shift Registers

multiple-output

high-voltage

current

sourcing-and-sinking capability such as driving plasma

panels, vacuum fluorescent displays and large matrix

LCD displays.

• Latched Data Outputs

• Forward and Reverse Shifting Options (DIR Pin)

• Diode to V_PPallows Efficient Power Recovery

• Outputs may be Hot Switched

The device has four parallel 20-bit dynamic Shift

registers, permitting data rates four times the speed of

one in a single clock cycle. There are 80 static latches

and control logic to perform the polarity select and

blanking of the outputs. HV_OUT1 is connected to the

first stage of the first Shift register through the polarity

and blanking logic. Data is shifted through the Shift

registers on the logic low-to-high transition of the clock.

The DIR pin causes counter-clockwise shifting when

connected to GND and clockwise shifting when

connected to V_DD. A data output buffer is provided for

cascading devices. This output reflects the current

status of the last bit of the Shift register, HV_OUT80. The

operation of the Shift register is not affected by the latch

enable (LE), blanking (BL) and polarity (POL) inputs.

Transfer of data from the Shift registers to the latches

occurs when the LE input is high. The data in the

latches is stored when LE is low.

Applications

• Display Driver

• Inkjet Driver

• Microelectromechanical Systems Applications

Package Type

100-lead PQFP

(Top view)

100

See Table 2-1 for pin information.

 2017 Microchip Technology Inc.

DS20005859A-page 1

12 3 4 5 6 7...18

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