74aup1z125 NXP Semiconductors, 74aup1z125 Datasheet - Page 19

• Manufacturer Part Number: 74aup1z125
• Description: Low-power X-tal Driver With Enable And Internal Resistor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
13. Application information
74AUP1Z125_1
Product data sheet
13.1 Crystal characteristics
Crystal controlled oscillator circuits are widely used in clock pulse generators because of
their excellent frequency stability and wide operating frequency range. The use of the
74AUP1Z125 provides the additional advantages of low power dissipation, stable
operation over a wide range of frequency and temperature and a very small footprint. This
application information describes crystal characteristics, design and testing of crystal
oscillator circuits based on the 74AUP1Z125.
Figure 10
The reactive and resistive component of the impedance of the crystal alone and the
crystal with a series and a parallel capacitance is shown in
Fig 10. Equivalent circuit of a crystal
is the equivalent circuit of a quartz crystal.
Rev. 01 — 3 August 2006
Low-power X-tal driver with enable and internal resistor
C
0
mnb102
C
R
L
1
1
1
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Figure
74AUP1Z125
11.
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