cy2048waf Cypress Semiconductor Corporation., cy2048waf Datasheet - Page 4

• Manufacturer Part Number: cy2048waf
• Description: Flash Programmable Capacitor Tuning Array Die For Crystal Oscillator Xo
• Manufacturer: Cypress Semiconductor Corporation.

Document #: 38-07738 Rev. *A
AC Electrical Specifications
Phase Noise, Temp = 25°C, V
F
Crystal Oscillator Tuning Capacitor Values
Notes:
F
DC
T
T
t
t
DL
–R
F
2. T
Parameter
PJ1
PJ2
NOM
OUT
R
F
DRIFT
PJ2
[2]
measured using DTS-2075, # of events set to 10, 000.
= 10MHz, X
Capacitor Bit
100 kHz
[1]
100 Hz
10 kHz
Offset
1 MHz
10 Hz
1 kHz
C
C
C
C
C
C
C
C
Output Frequency
Output Duty Cycle
Rise Time
Fall Time
RMS Period Jitter
Peak-to-peak Period Jitter
Crystal drive level
Negative Resistance
Output Frequency Drift
7
6
5
4
3
2
1
0
CAP
Description
= 7F (Hex)
C
XIN
C7
Capacitance (pF) per Side
C6
[1]
DD
C5
over the operating range, except as noted
dBc/Hz (Typ)
Figure 1. Programmable Load Capacitance
= 3.3V,
C4
5.000
2.500
1.250
0.625
0.313
0.156
0.078
0.039
–115
–130
–140
–140
–140
–90
C3
XTAL Buffered or Divided
Output Clock Rise Time, Measured from 20% to
80% of V
Output Clock Fall Time, Measured from 80% to
20% of V
XIN = 10–48 MHz. Measured at V
XIN = 10–48 MHz. Measured at V
48-MHz crystal, C
R1 = 10 Ohms, Temp. = 25°C, V
Measured at 48 MHz, C
3.0V ± 10%, 3.3V ± 10% for Temp. = 25°C
C2
C1
XIN
C0
DD
DD
, C
, C
OUT
OUT
C0
L
Condition
= 15 pF.
= 15 pF.
= 7 pF, C
C1
XOUT
C2
L
= 10 pF, C
C3
0
= 2 pF,
C4
DD
DD
DD
C5
= 3.6V
0
/2
/2
= 5 pF
C6
C7
C
0.625
XOU T
Min.
45
–2
–
–
–
350–400
CY2048WAF
Typ.
50
30
–
4
–
–
Max.
–150
2.5
2.5
48
55
15
80
2
Page 4 of 7
MHz
Unit
ppm
µW
ns
ns
ps
ps
%
Ω
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