74ls47 pdf

Output configurations of the SN74LS47 are designed to withstand the relatively high voltages required for 7-segment indicators. Indicator segments requiring up to 24 mA of current may be driven directly from the SN74LS47 high performance output transistors. Display patterns for BCD input counts above nine are unique symbols to authenticate input conditions. This device also contains an overriding blanking input BI which can be used to control the lamp intensity by varying the frequency and duty cycle of the BI input signal or to inhibit the outputs.

BCD to 7-Segment. They offer active LOW, high sink current. Seven NAND gates and one. The circuits accept 4-bit binary-coded-decimal BCD and,. The relative positive-logic output. Output configurations of the SN74LS47 are. These outputs will withstand 15 V with a maximum reverse current. Indicator segments requiring up to 24 mA of current may. Display patterns for BCD input counts above nine are. Lamp test LT may be.

Min Typ Max Unit. V CC Supply Voltage. T A Operating Ambient. Temperature Range. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Thanks for all of your help! Must have been the outputs Q0 and Q3 to give the 7 segment display driver the value of 74lw47 Terkait 10 responses to this post.

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