CY2XP24 Cypress Semiconductor, CY2XP24 Datasheet - Page 5

• Manufacturer Part Number: CY2XP24
• Description: Crystal to LVPECL Clock Generator
• Manufacturer: Cypress Semiconductor

DC Electrical Characteristics
AC Electrical Characteristics
Recommended Crystal Specifications
Document #: 001-15705 Rev. *G
Notes
V
V
V
V
I
I
C
C
F
T
T
T
T
T
Mode
F
ESR
C
Parameter
3. Not 100% tested, guaranteed by design and characterization.
4. Characterized using an 18 pF parallel resonant crystal.
5. Refer to
6. Refer to Figure 4 on page 4.
7. Refer to
IH
IL
Parameter
Parameter
OD2
OCM
IH
IL
OUT
R
Jitter()
DC
LOCK
LFS
IN
INX
0
, T
[3]
[7]
[3]
F
[5]
[6]
Figure 7 on page
Figure 7 on page
Mode of oscillation
Frequency
Equivalent series resistance
Shunt capacitance
Output frequency
Output rise/fall time
RMS phase jitter (random)
Duty cycle
Startup time
Re-lock time
LVPECL output voltage swing
(V
LVPECL output common mode
voltage (V
Input high voltage
Input low voltage
Input high current
Input low current
Input capacitance, F_SEL
Pin capacitance, XIN & XOUT
OH
- V
OL
Description
7.
7.
Description
OH
)
+ V
OL
)/2
[4]
(continued)
20 % to 80 % of full swing
156.25 MHz, (1.875 – 20 MHz), 3.3 V
156.25 MHz, (12 kHz – 20 MHz), 3.3 V
Measured at zero crossing point
Time for CLK to reach valid frequency
measured from the time
V
Time for CLK to reach valid frequency
from F_SEL pin change
V
V
V
V
F_SEL = V
F_SEL = V
DD
DD
DD
DD
DD
Description
= 2.5 V, R
= 2.5 V, R
= V
– 1.5 V
– 1.5 V
[7]
DD
Test Conditions
(min.)
DD
SS
Conditions
TERM
TERM
= 50  to
= 50  to
0.7 x V
156.25
–0.3
Min
500
–50
1.2
Min
–
–
–
45
–
–
–
–
–
DD
0.33
Typ
0.5
0.6
Typ
–
–
Min
4.5
–
–
15
25
–
–
–
–
–
–
–
–
Fundamental
187.5
V
0.3 x V
Max
1.0
55
Max
DD
–
–
5
1
25
50
1000
Max
7
115
–
–
–
–
CY2XP24
+ 0.3
DD
Page 5 of 12
Unit
MHz
MHz
Unit
ms
ms
ns
ps
ps
Unit
%
pF
mV

µA
µA
pF
pF
V
V
V
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