Introduction Hcsl?
The standard HCSL outputs steer the true and complement outputs of the differential pair at a constant 15 mA current. So, each differential HCSL output pair uses 50mW of power from 3.3V all the time.
The low-power HCSL is driven by a push-pull voltage drive instead of a current drive. Because of this, the amount of current drawn is between 4mA and 5mA. Only when a rising edge is moving from the driver to the final target and back to the driver does supply current flow in the driver (round trip flight time).
High-speed current steering logic, or HCSL, is a type of differential logic in which the 14mA levels at each of two output pins are switched quickly back and forth. If the other output pin is high (1), then the first output pin is low (0). (driving 14mA). The signal voltage ranges from 0V to 0.7V when 50 is used as the ground.
LVPECL and HCSL are both differential output standards with fast switching times and high output impedance. It also has a low level of phase jitter and uses about the same amount of power as LVDS and LVPECL.
High Speed Current Steering Logic (HCSL) outputs can be found on chipsets from Intel and Nvidia, as well as on PCIe implementations. Like the LVPECL standard, the HCSL standard is a differential output standard with high impedance and fast switching times. Compared to LVDS and LVPECL, it has better phase jitter performance and uses less power on average.
At the differential output of an open emitter or source with unterminated drains, you can get a 15 mA current source, but you need to add 50 ohm resistors to ground. A 10–30-ohm resistor can be put in series with a waveform to cut down on overshoot and ringing.
The voltage swing for LVDS is usually 350mV, with a range of 250–450mV. Since the voltage swing is smaller and the time it takes for the voltage to rise and fall is shorter, it can work at a higher frequency than CMOS and TTL while keeping the same slew rate.
How To Sign In To HCSL?
Step 1: Open a web browser and type the HCSL login URL into it.
Step 2: Type “Username” and “Password” into the “Username” and “Password” fields.
Step 3: Click the button that says “Sign In.”
How To Forget Your HCSL Password?
Step 1: Type “Reset HCSL password URL” into a web browser to open the page.
Step 2: Type your “Email” into the field that’s there.
Step 3: Click “Send Password Reset Link.” The system will check your information and send you a link to reset your password to the email address you used to sign up. Go to your email and click on the link to see what to do to finish the process.
Once the password is reset, go to the login page and enter a new password to get into the HCSL account.
FAQs
What Is HCSL Signal?
HCSL, or high-speed current steering logic, is a type of differential logic in which each of the two output pins switches between 0 and 14mA. When one output pin is low (0), the other one is high (driving 14mA). The connection to ground is 50, so the signal voltage changes between 0V and 0.7V.
Is Hcsl Differential?
Similar to LVPECL, HCSL is a differential output standard with a high impedance output and fast switching times. Other benefits are that it uses about the same amount of power as LVDS and LVPECL and has low phase jitter performance.
Is LVDS Digital Or Analog?
LVDS (low-voltage differential signalling) is a high-speed, long-distance digital interface for serial communication (sending one bit at a time) over two copper wires (differential) that are 180 degrees from each other.
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