Texas Instruments AM1808 - Page 66

AM1808
SPRS653E –FEBRUARY 2010–REVISED MARCH 2014 www.ti.com
Recommended Operating Conditions (continued)
NAME DESCRIPTION CONDITION MIN NOM MAX UNIT
Low-level input voltage, RTC_XI 0.2*RTC_CVDD V
Low-level input voltage, OSCIN 0.2*CVDD V
USB USB0_VBUS USB external charge pump input 0 5.25 V
Differential
Differential input voltage, SATA_REFCLKP and
Clock Input 250 2000 mV
SATA_REFCLKN
Voltage
Transition Transition time, 10%-90%, All Inputs (unless otherwise
t
t
0.25P or 10
(5)
ns
Time specified in the electrical data sections)
CVDD = 1.3V
0 456
operating point
CVDD = 1.2V
0 375
operating point
Commercial temperature grade
MHz
(default)
CVDD = 1.1V
0 200
operating point
CVDD = 1.0V
0 100
operating point
Operating
F
PLL0_SYSCLK6
Frequency
CVDD = 1.3V
0 456
operating point
CVDD = 1.2V
0 375
operating point
Extended temperature grade (A
MHz
suffix)
CVDD = 1.1V
0 200
operating point
CVDD = 1.0V
0 100
operating point
(5) Whichever is smaller. Where P = the period of the applied signal. Maintaining transition times as fast as possible is recommended to
improve noise immunity on input signals.
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