器件名称: 74HCT4543
功能描述: BCD to 7-segment latch/decoder/driver for LCDs
文件大小: 78.42KB 共11页
简 介:INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications The IC06 74HC/HCT/HCU/HCMOS Logic Package Information The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT4543 BCD to 7-segment latch/decoder/driver for LCDs
Product specication File under Integrated Circuits, IC06 December 1990
Philips Semiconductors
Product specication
BCD to 7-segment latch/decoder/driver for LCDs
FEATURES Latch storage of BCD inputs Blanking inputs Output capability: non-standard ICC category: MSI GENERAL DESCRIPTION The 74HC/HCT4543 are high-speed Si-gate CMOS devices and are pin compatible with “4543” of the “4000B” series. They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT4543 are BCD to 7-segment latch/decoder/drivers for liquid crystal displays. They have QUICK REFERENCE DATA GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
74HC/HCT4543
four address inputs (D0 to D3), an active HIGH latch disable input (LD), an active HIGH blanking input (BI), an active HIGH phase input (PH) and seven buffered segment outputs (Qa to Qg). The “4543” provides the function of a 4-bit storage latch and an 8-4-2-1 BCD to 7-segment decoder driver. The “4543” can invert the logic levels of the output combination. The phase (PH), blanking (BI) and latch disable (LD) inputs are used to reverse the function table phase, blank the display and store a BCD code, respectively. For liquid crystal displays a squar……
