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CY25818/19
Document #: 38-07362 Rev. *A
Page 5 of 8
Characteristics Curves
The following curves demonstrate the characteristic behavior
of the CY25818/19 when tested over a number of environ-
mental and application specific parameters. These are typical
performance curves and are not meant to replace any
parameter specified in Table 4 and Table 5.
200
210
220
230
240
250
260
270
280
290
300
8
1 21 6
2 02 4
2 83 2
Fr equ en cy ( MH z )
R E F CL K CY 25818
S S CL K CY2 5 8 18
R E F CL K CY 25819
S S CL K CY258 19
Figure 2. CCJ (ps) vs. Frequency (MHz)
1.75
2
2.25
2.5
2.75
-40
-25
-10
5
20
35
50
65
80
95
110
125
Temp(C)
12 MHz
32.0 MHz
Figure 3. Bandwidth% vs. Temperature
10
11
12
13
14
15
16
17
18
19
20
8
12
16
2 0
2 42 83 2
F r equ en cy ( MH z )
C Y 25 819
16 - 3 2 M H z
C Y 25 818
8 - 16 M H z
Figure 4. IDD (mA) vs. Frequency (MHz)
1.8
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
VDD (volts)
CY25819@32 MHz
CY25818@8.0 MHz
Figure 5. Bandwidth% vs. VDD