Datasheet > HEF4543B_09

HEF4543B_09

更新时间： 2024-11-04 10:45:03

品牌	Logo	应用领域
恩智浦 - NXP		解码器驱动器锁存器
页数	文件大小	规格书
16页	100K
描述
BCD to 7-segment latch/decoder/driver

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HEF4543B_09 数据手册

HEF4543B

BCD to 7-segment latch/decoder/driver

Rev. 05 — 27 October 2009

Product data sheet

1. General description

The HEF4543B is a BCD to 7-segment latch/decoder/driver for liquid crystal and LED

displays. It has four address inputs (D0 to D3), an active LOW latch enable input (LE), an

active HIGH blanking input (BL), an active HIGH phase input (PH) and seven buffered

segment outputs (Qa to Qg).

The circuit provides the function of a 4-bit storage latch and an 8-4-2-1 BCD to 7-segment

decoder/driver. It can invert the logic levels of the output combination. The phase (PH),

blanking (BL) and latch enable (LE) inputs are used to reverse the function table phase,

blank the display and store a BCD code, respectively.

For liquid crystal displays, a square-wave is applied to PH and the electrical common

back-plane of the display. The outputs of the device are directly connected to the

segments of the liquid crystal.

It operates over a recommended V_DDpower supply range of 3 V to 15 V referenced to V_SS

(usually ground). Unused inputs must be connected to V_DD, V_SS, or another input. It is

also suitable for use over the full industrial (−40 °C to +85 °C) temperature range.

2. Features

I Fully static operation

I 5 V, 10 V, and 15 V parametric ratings

I Standardized symmetrical output characteristics

I Operates across the full industrial temperature range −40 °C to +85 °C

I Complies with JEDEC standard JESD 13-B

3. Applications

I Industrial

4. Ordering information

Table 1.

Ordering information

All types operate from −40 °C to +85 °C

Type number

Package

Name

Description

Version

HEF4543BP

HEF4543BT

DIP16

SO16

plastic dual in-line package; 16-leads (300 mil)

plastic small outline package; 16 leads; body width 3.9 mm

SOT38-4

SOT109-1

12 3 4 5 6 7...16

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