JN5139/001,515 NXP Semiconductors, JN5139/001,515 Datasheet - Page 74

• Manufacturer Part Number: JN5139/001,515
• Description: IC MCU 32BIT 56QFN
• Manufacturer: NXP Semiconductors

Specifications of JN5139/001,515

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Appendix B Development Support
B.1 Crystal Oscillator
16MHz Crystal Requirements
B.1.1 Crystal Equivalent Circuit
Where
74
Crystal Frequency
Crystal Tolerance
Crystal ESR Range (Rm)
Crystal Load Capacitance
Range (CL)
Recommended Crystal
External Capacitors (C1 & C2)
For recommended Crystal
Not all Combinations of Crystal Load Capacitance and ESR are valid refer to Section B.1.3
C
C
L
R
m
m
m
S
is the motional inductance. This together with
is the motional capacitance
is the equivalent series resistance ( ESR ).
is the shunt or package capacitance and this is a parasitic
Parameter
C1
Load Capacitance 9pF and max ESR 40 Ω
10Ω
Min
6pF
Lm
JN-DS-JN5139 1v9
Cs
Rm
16MHz
C
15pF
Typ
9pF
m
defines the oscillation frequency (series)
Cm
C2
40ppm
12pF
Max
60Ω
© NXP Laboratories UK 2010
Including temperature
and ageing
See below for more
details
See below for more
details
CL = 9pF, total external
capacitance needs to be
2*CL. , allowing for stray
capacitance from chip,
package and PCB
Notes