Continue to Site

Welcome to

Welcome to our site! is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Noise Margin b/w CMOS & ECL

Not open for further replies.
Noise Margin -- VOH VIH Margin VIL VOL Margin
TTL [5volt] 2.4v 2.0v 400mV 0.8v 0.5v 300mV
FCT [5volt] 2.5v 2.0v 500mV 0.8v 0.5v 300mV
BTL [5volt] 2.1v 1.62v 480mV 1.47v 1.1v 370mV
GTL [5volt] 1.5v 1.05v 450mV 0.95v 0.55v 400mV
CMOS [5volt] 4.9v 3.85v 1050mV 1.35v 0.1 1340mV
LVTTL [3volt] 2.4v 2.0v 400mV 0.8v 0.4v 400mV
LVCMOS [3volt] 2.8v 2.0v 800mV 0.8v 0.2v 600mV
CMOS [2.5v] 2.0v 1.7v 300mV 0.7v 0.4v 300mV
CMOS [1.8v] 1.35v 1.1v 250mV 0.66v 0.45v 210mV

Can't find the number for ECL -- and I don't have a textbook handy.
You might want to consult the datasheet for this. Look at the 100H or 10H parts for example.

Best regards,

Not open for further replies.

Part and Inventory Search

Welcome to