The open-drain tag has no wiki summary.
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Can Transmission gates be used to implement 3 State Logic?
In my application i need to use a common line shared between two peripherals, i have to indicate to the devices whenever the bus is free or not, hence i can't have push-pull output where the output is ...
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Voltage level in an open drain bus (I2C)
I have a setup as seen in this image:
The question is what will the voltage at the line on the left size (marked with [Volt ??] ) be when the open-drain logic is active? The goal is to have a logic ...
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1answer
126 views
Using Open drain to get +5V
I have a legacy board in my product that has 1 temperature input with 2 rtd temperature probes.
Until the new boards are ready the manufacturer has used a relay already mounted on the board to switch ...
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3answers
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DS1307-breakout-board
I want to build an RTC clock for the Raspberry Pi. Adafruit has a guide to accomplish this with Dallas DS1307. On the schematic they put a 2.2K resistor between VCC and SCL and do the same for VCC and ...
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1answer
99 views
PWM drivers of Shift registers that are not open drain?
I am need of a 16 channel PWM Serial based LED driver, or serial in – parallel out shiftregister. I had been looking at TLC5940 and TLC59025 respectively.
But for my current set up the ouptuts ...
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2answers
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PIC18F2550 I2C Open Drain?
As far as I have read, the I2C pins are Open Drain or Open collector, but in the PIC18F2550 the datasheet doesnt say anything about those pins, and even says they are a digital output if you select ...
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1answer
603 views
Open Drain vs Open Collector
Is there a practical difference between Open Drain and Open Collector outputs, or are the terms used interchangably? If they are indeed different, what are the contexts where each is advantageous? My ...
