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4511 CMOS BCD-7段锁存、译码、LED驱动

消耗积分:10 | 格式:rar | 大小:555 | 2008-10-08

王艳

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4511 CMOS BCD-7段锁存、译码、LED驱动

The CD4511BC BCD-to-seven segment latch/decoder/
driver is constructed with complementary MOS (CMOS)
enhancement mode devices and NPN bipolar output drivers
in a single monolithic structure. The circuit provides the
functions of a 4-bit storage latch, an 8421 BCD-to-seven
segment decoder, and an output drive capability. Lamp test
(LT), blanking (BI), and latch enable (LE) inputs are used to
test the display, to turn-off or pulse modulate the brightness
of the display, and to store a BCD code, respectively. It can
be used with seven-segment light emitting diodes (LED),
incandescent, fluorescent, gas discharge, or liquid crystal
readouts either directly or indirectly.

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