CY2048WAF Ver la hoja de datos (PDF) - Cypress Semiconductor
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CY2048WAF
Cypress Semiconductor
CY2048WAF Datasheet PDF : 7 Pages
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CY2048WAF
AC Electrical Specifications[1] over the operating range, except as noted
Parameter[1]
Description
Condition
Min. Typ. Max.
FOUT
DC
Output Frequency
Output Duty Cycle
XTAL Buffered or Divided
0.625 – 48
45 50 55
TR
TF
tPJ1
tPJ2[2]
DL
–R
FDRIFT
Rise Time
Fall Time
RMS Period Jitter
Peak-to-peak Period Jitter
Crystal drive level
Negative Resistance
Output Frequency Drift
Output Clock Rise Time, Measured from 20% to
80% of VDD, COUT = 15 pF.
Output Clock Fall Time, Measured from 80% to
20% of VDD, COUT = 15 pF.
XIN = 10–48 MHz. Measured at VDD/2
XIN = 10–48 MHz. Measured at VDD/2
48-MHz crystal, CL = 7 pF, C0 = 2 pF,
R1 = 10 Ohms, Temp. = 25°C, VDD = 3.6V
Measured at 48 MHz, CL = 10 pF, C0 = 5 pF
3.0V ± 10%, 3.3V ± 10% for Temp. = 25°C
2.5
2.5
–
4 15
–
30 80
350–400
–
– –150
–2
–
2
Phase Noise, Temp = 25°C, VDD = 3.3V,
FNOM = 10MHz, XCAP = 7F (Hex)
Offset
dBc/Hz (Typ)
10 Hz
–90
100 Hz
–115
1 kHz
–130
10 kHz
–140
100 kHz
–140
1 MHz
–140
Unit
MHz
%
ns
ns
ps
ps
µW
Ω
ppm
Crystal Oscillator Tuning Capacitor Values
Capacitor Bit
C7
C6
C5
C4
C3
C2
C1
C0
Capacitance (pF) per Side
5.000
2.500
1.250
0.625
0.313
0.156
0.078
0.039
XIN
XOUT
CXIN
CXOUT
C7 C6 C5 C4 C3 C2 C1 C0
C0 C1 C2 C3 C4 C5 C6 C7
Figure 1. Programmable Load Capacitance
Notes:
2. TPJ2 measured using DTS-2075, # of events set to 10, 000.
Document #: 38-07738 Rev. *A
Page 4 of 7
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