DATASHEET 7448 PDF

A high output is intended to light the segment. Common cathode , meaning the negative connection of all of the LEDs is tied together. The outputs are open-collector but have internal 2K ohm pull-up resistors and have a maximum low-level output sink current of 6 milliamperes 6mA. All segments are extinguished when a low logical zero signal is applied to pin 4 OUT. A PWM pulse-width modulated signal can be applied to this pin to provided varying brightnesses to the LED display being driven, allowing user control of LED dimming for applications such as power saving by decreasing the brightness during times of low ambient light.

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We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information. The following tables are available. TTL Device Summary Please click on a , It can also be used to drive common anode LED displays in either a multiplexed mode or directly with the aid of external current limiting resistors.

Count 4 , 62 37 45 20 58 40 45 26 70 58 45 This feature means that data can be routed directly from high speed counters , variable frequency multivibrator with a cross coupled pair of TTL or DTL gates.

Standard TTL decoders like the ,, or must. The B is capable of sourcing over. Early display interface ICs particularly devices such as the and were aimed at LED , Standard bipolar technology, long asso ciated with TTL or linears early op amps , appears very limited in. Abstract: No abstract text available Text:. S N OK, Thanks We use Cookies to give you best experience on our website. Previous 1 2 Texas Instruments.

FND FND PC 7-segment display 4 digits 7-segment led display with decoder f PC truth table for common cathode 7-segment display "7 Segment Display" common cathode fairchild 7 segment with

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