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HCF4056BEY bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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HCF4056BEY bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 10 page 1/10 September 2002 s QUIESCENT CURRENT SPECIF. UP TO 20V s OPERATION OF LIQUID CRYSTALS WITH CMOS CIRCUITS PROVIDES ULTRA LOW POWER DISPLAY. s EQUIVALENT AC OUTPUT DRIVE FOR LIQUID CRYSTAL DISPLAYS - NO EXTERNAL CAPACITOR REQUIRED s VOLTAGE DOUBLING ACROSS DISPLAY [(VDD - VEE) = 18V] RESULTS IN EFFECTIVE 36V (p-p) DRIVE ACROSS SELECTED DISPLAY SEGMENTS s LOW OR HIGH OUTPUT LEVEL DC DRIVE FOR OTHER TYPES OF DISPLAYS s ONE CHIP LOGIC LEVEL CONVERSION FOR DIFFERENT INPUT AND OUTPUT LEVEL SWINGS s FULL DECODING OF ALL INPUT COMBINATIONS : "0 - 9, L, H, P, A" AND BLANK POSITIONS s INPUT LEAKAGE CURRENT II = 100nA (MAX) AT VDD = 18V TA = 25°C s 100% TESTED FOR QUIESCENT CURRENT s MEETS ALL REQUIREMENTS OF JEDEC JESD13B "STANDARD SPECIFICATIONS FOR DESCRIPTION OF B SERIES CMOS DEVICES" DESCRIPTION HCF4056B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. 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-signal swings (VDD to VSS) to be the same as or different from the 7-segment output signal swings (VDD to VEE). For example, the BCD input-signal swings (VDD to VSS) may be as low as 0 to -3V, whereas the output-display drive signal swing (VDD to VEE) may be from 0 to -5V. If VDD to VEE exceeds 15V, VDD to VSS should be at least 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). HCF4056B BCD TO 7 SEGMENT DECODER /DRIVER WITH STROBED LATCH FUNCTION PIN CONNECTION ORDER CODES PACKAGE TUBE T & R DIP HCF4056BEY SOP HCF4056BM1 HCF4056M013TR DIP SOP |
Số phần tương tự - HCF4056BEY |
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Mô tả tương tự - HCF4056BEY |
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