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HCF4543B

Features: · DISPLAY BLANKING OF ALL ILLEGAL INPUT COMBINATIONS· LATCH STORAGE OF CODE· CAPABILITY OF DRIVING TWO LOW POWER TTL LOADS, TWO HTL LOADS, OR ONE LOW POWER SCHOTTKY LOAD OVER THE FULL RATED-TEMPERATURE RANGE · PIN-FOR-PIN REPLACEMENT FOR THE HCF4056B (with pin 7 tied to VSS)· DIRECT LED ...

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SeekIC No. : 004359721 Detail

HCF4543B: Features: · DISPLAY BLANKING OF ALL ILLEGAL INPUT COMBINATIONS· LATCH STORAGE OF CODE· CAPABILITY OF DRIVING TWO LOW POWER TTL LOADS, TWO HTL LOADS, OR ONE LOW POWER SCHOTTKY LOAD OVER THE FULL RATE...

HCF4543B Data Sheet

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Part Number:
HCF4543B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/21

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Product Details

Description



Features:

· DISPLAY BLANKING OF ALL ILLEGAL INPUT COMBINATIONS
· LATCH STORAGE OF CODE
· CAPABILITY OF DRIVING TWO LOW POWER
  TTL LOADS, TWO HTL LOADS, OR ONE LOW
  POWER SCHOTTKY LOAD OVER THE FULL
  RATED-TEMPERATURE RANGE
· PIN-FOR-PIN REPLACEMENT FOR THE HCF4056B (with pin 7 tied to VSS)
· DIRECT LED DRIVING CAPABILITY
· 100% TESTED FOR QUIESCENT CURRENT AT 20V
  MAXIMUM INPUT CURRENT OF 1A AT 18V
  OVER FULL PACKAGE-TEMPERATURE
  RANGE ; 100nA AT 18V AND 25°C
· NOISE MARGIN (full package-temperature range) = 1V AT VDD = 5V
  2V AT VDD = 10V
  2.5V AT VDD = 15V
·5 -V, 10-V, AND 15-V PARAMETRIC RATINGS


Application

·INSTRUMENT DISPLAY DRIVER
·DASHBOARD DISPLAY DRIVER
·COMPUTER/CALCULATOR DISPLAY DRIVER
·TIMING DEVICE DRIVER (clocks, watches,timers)


Pinout

Connection Diagram


Specifications

Symbol
 Parameter
Value
Unit

VDD*

 Supply Voltage :                            HCC Types
                                                      HCF Types
0.5 to + 20
0.5 to + 18
V
V
VI
 Input Voltage
0.5 to VDD + 0.5
V
II
 DC Input Current (any one input)
± 10
mA

Ptot

 Total Power Dissipation (per package)
Dissipation per Output Transistor
for Top = Full Package-temperature range
200
100
mW
mW
Top
 Operating Temperature :              HCC Types
                                                     HCF Types
55 to + 125
40 to + 85

Tstg
 Storage Temperature
65 to + 150

* All Voltage Values are referred to VSS pin voltage.



Description

The HCC/HCF4543B is a BCD-to-seven segment latch/decoder/driver designed primarily for liquidcrystal display (LCD) applications. It is also capable of driving light emitting diode (LED), incandescent,gas-discharge, and fluorescent displays. This device is functionally similar to and serves as direct replacement for the HCC/HCF4543B  when pin 7 is connected to VSS. It differs from the HCF4056B in that it has a display blanking capability instead of a level-shifting function and requires only one power supply. When the HCC/HCF4543B is used in the level shifting mode, two power supplies are required. When the HCF4543B is used for LCD applications, a square wave must be applied to the PHASE input and the backplane of the LCD device. For LED applications a logic 1 is required at the PHASE input for common-cathode devices ; a logic 0 is required for common-anode devices (see truth table).




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