FAQ: How long should the JTAG cable be?

Filed under FAQ / JTAG IEEE 1149.1

Q: How long should the JTAG cable be?


Maximum cable length depends on communication speed and JTAG I/O voltage. For very low-speed JTAG communication the cable used can be as long as 50 cm (1.6 feet), for high speed JTAG try to keep connection as short as possible (i.e. 10cm / 0.3 feet).

Related links

SECONS Ltd. is not in any way connected with integrated circuit manufacturers and there is no any type of authorization, association or affiliation between SECONS and integrated circuit manufacturers. All information present in this FAQ is provided for informational purposes only, on "as-is" basis, and is intended to be useful and informative for SECONS customers.
Copyright (c) SECONS s.r.o. 2008 | Legal info