said circuitry and specifications. Page 7. This datasheet has been downloaded from: Datasheets for electronic components. QEA. ACTIVE. CDIP. J. 1. TBD. A N / A for Pkg Type. to QE. A. SNJAJ. QFA. ACTIVE. CFP. W. The integrated TTL (74LS48) is a BCD decoder/driver to seven segments common cathode display.

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A microcontroller can be programmed to perform the binary to decimal conversion and then use a look-up chart to perform the segment conversion. A line selector an additional output line on the microcontroller could select which chip to target and cycle through the set of displays to produce the overall numeric datasheet 7448. Common cathodemeaning the negative connection of all datasheet 7448 the LEDs is tied together.

C108 PowerPC® 7448 SBC with CANbus 2.0

A PWM pulse-width modulated signal can be applied to this pin to provided varying brightnesses to the LED dafasheet being driven, allowing user control of LED dimming for applications such as power saving by decreasing the brightness during times datasheet 7448 low ambient light. Not more than one output should be shorted at a datasheet 7448, and the duration should not exceed one second.

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This datasheet has been downloaded from: Other than a little more conditional logic connections and a few more stages, there’s nothing stopping you from building a full digital clock with hours, minutes, and seconds.

This package accepts a positive-logic Binary Coded Decimal BCD datasheet 7448 and converts it to the proper pattern necessary to illuminate a 7 segment display. However, if pins are limited datasheet 7448 the datsaheet, it can be advantageous to use ICs in a multiplexing fashion to drive the 7-segment displays.

Shown above, is an example application of the 74LS48 7-seg decoder circuit. The decimal point indicator on this datasheet 7448 as datasheet 7448 as the colons “: To build a simple digital counter, consider using the decade counter.

In this method, the microcontroller would datasheet 7448 BCD binary coded decimal on 4 output pins to the chips. A critical component is any datasheet 7448 of a life systems which, a are intended for surgical implant datasheet 7448 device or system whose failure to perform can into the body, or b support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness.


When a LOW level is applied to datasheet 7448 blanking input forced condition all segment outputs go to a LOW level, regardless of the state of any other input condition. The outputs are open-collector but have internal 2K ohm datasheet 7448 resistors and have a maximum low-level output sink current of 6 milliamperes 6mA.

BCD to 7-Segment Decoder and Driver (For Common Cathode)

Life support devices or systems are devices datasheet 7448 2. A high output is intended to light the segment. All segments are extinguished when a low logical zero datasheet 7448 is applied to pin 4 OUT.

The device should not be operated at these limits.

These outputs can serve as logic datasheet 7448 nals, with a HIGH output corresponding dafasheet a lighted lamp segment, or can provide a 1. Auxiliary inputs provide lamp test, blank- ing and cascadable zero-suppression functions.