User guide

DS3134
190 of 203
AC CHARACTERISTICS - LAYER ONE PORTS
(0°C TO +70°C; VDD = 3.0V TO 3.6V)
Parameter Symbol Min Typ Max Units Notes
RC / TC Clock Period t1 100 ns 1
t1 19 ns 2
RC / TC Clock Low Time t2 40 ns 1
t2 8 ns 2
RC / TC Clock High Time t3 40 ns 1
t3 8 ns 2
RD Set Up Time to the Falling Edge
or Rising Edge of RC
t4
t4
5
2
ns
ns
1
2
RS / TS Set Up Time to the Falling
Edge or Rising Edge of RC / TC
t4 5 t1 – 10 ns 1
RD Hold Time from the Falling Edge
or Rising Edge of RC
t5
t5
5
1
ns 1
2
RS / TS Hold Time from the Falling
Edge or Rising Edge of RC / TC
t5 5 t1 – 10 ns 1
Delay from the Rising Edge or
Falling Edge of TC to Data Valid on
TD
t6
t6
5
3
25
15
ns
ns
1
2
Notes:
1. Ports 0 to 15 in applications running up to 10 MHz.
2. Port 0 or Port 1 running in applications up to 52 MHz.