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HCF4543BC1 データシート(PDF) 1 Page - STMicroelectronics |
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HCF4543BC1 データシート(HTML) 1 Page - STMicroelectronics |
1 / 12 page HCC4543B HCF4543B December 1989 BCD-TO-7 SEGMENT LATCH/DECODER/LCD DRIVER EY (Plastic Package) 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 ORDER CODES : HCC4543 BF HCF4543 BM1 HCF4543 BEY HCF4543 BC1 F (Ceramic Frit Seal Package) M1 (Micro Package) C1 (Plastic Chip Carrier) Applications : PIN CONNECTION (top view) INSTRUMENT DISPLAY DRIVER DASHBOARD DISPLAY DRIVER COMPUTER/CALCULATOR DISPLAY DRIVER TIMING DEVICE DRIVER (clocks, watches, timers) DESCRIPTION The HCC/HCF4543B is a BCD-to-seven segment latch/decoder/driver designed primarily for liquid- crystal display (LCD) applications. It is also capable of driving light emitting diode (LED), incandescent, gas-discharge, and fluorescent displays. This de- vice is functionally similar to and serves as direct re- placement for the HCF4056B 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 HCF4056B 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 ap- plications 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). HCC/HCF4543B 1/12 |
同様の部品番号 - HCF4543BC1 |
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同様の説明 - HCF4543BC1 |
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