Datasheet > HCF4056B_02

HCF4056B_02

更新时间： 2024-11-23 04:56:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		解码器驱动器
页数	文件大小	规格书
10页	262K
描述
BCD TO 7 SEGMENT DECODER /DRIVER WITH STROBED LATCH FUNCTION

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中文翻译

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数据手册

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HCF4056B_02 数据手册

HCF4056B

BCD TO 7 SEGMENT DECODER /DRIVER

WITH STROBED LATCH FUNCTION

■

QUIESCENT CURRENT SPECIF. UP TO 20V

OPERATION OF LIQUID CRYSTALS WITH

CMOS CIRCUITS PROVIDES ULTRA LOW

POWER DISPLAY.

■

EQUIVALENT AC OUTPUT DRIVE FOR

LIQUID CRYSTAL DISPLAYS - NO

EXTERNAL CAPACITOR REQUIRED

VOLTAGE DOUBLING ACROSS DISPLAY

DIP

SOP

[(V - V ) = 18V] RESULTS IN EFFECTIVE

36V (p-p) DRIVE ACROSS SELECTED

DISPLAY SEGMENTS

ORDER CODES

PACKAGE

TUBE

T & R

■

LOW OR HIGH OUTPUT LEVEL DC DRIVE

FOR OTHER TYPES OF DISPLAYS

ONE CHIP LOGIC LEVEL CONVERSION

FOR DIFFERENT INPUT AND OUTPUT

LEVEL SWINGS

DIP

HCF4056BEY

HCF4056BM1

SOP

HCF4056M013TR

■

FULL DECODING OF ALL INPUT

COMBINATIONS : "0 - 9, L, H, P, A" AND

BLANK POSITIONS

HCF4056B is a single digit BCD to 7 segment

decoder driver circuit that provides a level shifting

function on the chip. This feature permits the BCD

INPUT LEAKAGE CURRENT

input-signal swings (V

to V ) to be the same

I = 100nA (MAX) AT V = 18V T = 25°C

as or different from the 7-segment output signal

■

100% TESTED FOR QUIESCENT CURRENT

swings (V to V ). For example, the BCD

MEETS ALL REQUIREMENTS OF JEDEC

JESD13B "STANDARD SPECIFICATIONS

FOR DESCRIPTION OF B SERIES CMOS

DEVICES"

input-signal swings (V to V ) may be as low as

DD SS

0 to -3V, whereas the output-display drive signal

swing (V to V ) may be from 0 to -5V. If V to

exceeds 15V, V

to V should be at least

DD SS

4V. The 7-segment outputs are controlled by the

DISPLAY-FREQUENCY (DF) input, which causes

the selected segment outputs to be low, high, or a

square wave output (for liquid crystal displays).

DESCRIPTION

HCF4056B is a monolithic integrated circuit

fabricated in Metal Oxide Semiconductor

technology available in DIP and SOP packages.

PIN CONNECTION

September 2002

1/10

12 3 4 5 6 7...10

中文翻译

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