
SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
78
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
general-purpose input/output timings
switching characteristics over recommended operating conditions (see Figure 33)
PARAMETER
MIN
MAX
UNIT
td(GPO)CO
tr(GPO)
tf(GPO)
Delay time, CLKOUT low to GPIO low/high
All GPIOs
9
ns
Rise time, GPIO switching low to high
All GPIOs
8
ns
Fall time, GPIO switching high to low
All GPIOs
6
ns
timing requirements [H = 0.5t
c(CO)
] (see Figure 34)
MIN
MAX
UNIT
tw(GPI)
Pulse duration, GPI high/low
2H+15
ns
td(GPO)CO
GPIO
CLKOUT
tr(GPO)
tf(GPO)
Figure 33. General-Purpose Output Timing
GPIO
CLKOUT
tw(GPI)
Figure 34. General-Purpose Input Timing