AC CHARACTERISTICS—EXTERNAL CLOCK DRIVE
(VCC = 5V ±10%, TA = 0°C to +70°C.)
# PARAMETER
SYMBOL MIN
At 12MHz
20
28 External Clock High Time
tCLKHPW
At 16MHz
15
At 12MHz
20
29 External Clock Low Time
tCLKLPW
At 16MHz
15
30 External Clock Rise Time
At 12MHz
At 16MHz
tCLKR
31 External Clock Fall Time
At 12MHz
At 16MHz
tCLKF
EXTERNAL CLOCK TIMING
DS2252T
MAX
UNITS
ns
ns
20
ns
15
20
ns
15
12 of 16