PMC-Sierra, Inc.
PRELIMINARY
PM5381 S/UNI-2488
DATASHEET
PMC-2000489
ISSUE 1
SATURN USER NETWORK INTERFACE FOR 2488 MBIT/S
Figure 30: JTAG Port Interface Timing
tHItck
tLOtck
TCK
tStdi
tHtdi
TDI
tStms
tHtms
TMS
tPtdo
TDO
tVtrstb
TRSTB
Notes on Input Timing:
1. When a set-up time is specified between an input and a clock, the set-up time is the time in
nanoseconds from the 1.4 Volt point of the input to the 1.4 Volt point of the clock.
2. When a hold time is specified between an input and a clock, the hold time is the time in
nanoseconds from the 1.4 Volt point of the clock to the 1.4 Volt point of the input.
Notes on Output Timing:
1. Output propagation delay time is the time in nanoseconds from the 1.4 Volt point of the
reference signal to the 1.4 Volt point of the output.
2. Maximum output propagation delays are measured with a 30 pF load on the outputs except
when otherwise specified.
Proprietary and Confidentail to PMC-Sierra Inc., and for its Customer’s Internal Use
462
PMC [ PMC-SIERRA, INC ]
