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what is it TTL which shows on ping report and the value its showing . . . If the TTL value started at, say, 128 and you see a value of 28, then there were 100 hops between the system where the packet originated and the final destination My guess is that the initial TTL for the ping packets was 255, so the first ping traversal took 200 hops and the second took 9
digital logic - What is meant by TTL in this context? - Electrical . . . Additionally, a user might think that a high signal means "100%", and that a low signal means "0% " Depending on the specific TTL driver, this is not true because of the effective voltages The Chapter "CHANGE THE ANALOG INPUT MODULATION TRANSFER FUNCTION" on page 15 of the linked data sheet shows an example control circuit
Does TTL need to be set to 3600 for MX record? - Microsoft Community But the domain is still not getting verified I've hit the refresh button on the 'Domain Settings' page too but to no avail The only issue I'm having is that my domain host does not allow TTL values less than 14400 (4 hours) Thus I'm unable to set the TTL value specified in the instructions on the 'Domain Settings' page - 3600
USART, UART, RS232, USB, SPI, I2C, TTL, etc. what are all of these and . . . Often any 5V logic is called TTL, although most circuits nowadays are built as CMOS Today there are also many circuits that work at 3 3V, which is no longer TTL With respect to the internal levels the levels on the RS-232 line are inverted, +12V corresponds to logical low and -12V corresponds to logical high, which can be confusing
microcontroller - How does TTL serial work? - Electrical Engineering . . . Which would be different if it were really TTL, as in your question (the microcontroller is HCMOS) TTL outputs are highly asymmetrical: they can only supply little current, typically 0 4mA Sinking current is OK, at 8mA The low source current may be a problem if the line has a high capacitance and is high speed
rs232 - What is the difference between RS-232 and TTL UART . . . A TTL UART will output (and input) only TTL levels, essentially 0 bit = 0V and 1 bit = 5V And many modern-day gadgets (Arduino, et al ) simply use TTL voltage levels for serial communication But the "proper" definition of RS-232 used a rather HIGHER and BIPOLAR voltages to define zero and one
ttl - 10k Resistor Pull Up Down Standard for 74 series chips . . . In TTL 74LS serie, a input signal between 0 and 0 8V is considered “LOW”, and a input signal between 2 0 and 5 0V is considered “HIGH” Any voltage between 0 8 and 2 0 volts is undefined Therefore, you have to guarantee in your design that you will never enter in the uncertainty zone Pull-up Resistor Value
logic gates - What does limit of 1 TTL LS load mean? - Electrical . . . Compared with modern CMOS logic, TTL was rather power-hungry That's still true, to a lesser extent, with the later LS TTL Newer ICs may struggle to drive the logic inputs of older TTL devices So the "limit of 1 TTL LS load" means that your line can drive an LS TTL load, but only one of them One TTL LS Load means one input of one logic gate