Datasheet

TUSB1310A
SLLSE32E –NOVEMBER 2010–REVISED JULY 2012 www.ti.com
Table 5-1. Oscillator Specification (continued)
PARAMETER MIN TYP MAX UNITS CONDITION
Reference clock T
J
25 psec
with JTF (total p-p)
(2)(3)
Reference clock jitter
50 psec
(absolute p-p)
(4)
(3) Calculated as 14.1 x R
J
+ D
J
(4) Absolute phase jitter (p-p)
5.2.3 Crystal
Either a 20-MHz, 25-MHz, 30-MHz, or 40-MHz crystal can be selected. A parallel, 20-pF load crystal
should be used if a crystal source is used.
Table 5-2. Crystal Specification
PARAMETER MIN TYP MAX UNITS CONDITION
Frequency tolerance ±50 ppm Operational temperature
Frequency stability ±50 ppm 1 year aging
Load capacitance 12 20 24 pF
30 DESIGN GUIDELINES Copyright © 2010–2012, Texas Instruments Incorporated
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