CY22388/89/91
Document #: 38-07734 Rev. *B
Page 6 of 10
DC Parameters[4]
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
IOH
[5]
Output High Current
VOH = VDD –0.
5,V
DD = 3.3V
12
–
–
mA
IOL
[5]
Output Low Current
VOL = 0.5, VDD = 3.3V
12
–
–
mA
IIH
Input High Current
VIH = VDD, excluding Vin, Xin
–
5
10
µA
IIL
Input Low Current
VIL = 0V, excluding Vin, Xin
–
5
10
µA
VIH
Input High Voltage
FS0/1/2 OE input CMOS levels
0.7xAVDD
–
–
V
VIL
Input Low Voltage
FS0/1/2 OE input CMOS levels
–
– 0.3xA
VDD
V
VVCXO
VIN Input Range
0
–
AVDD
V
CIN
Input Capacitance
FS0/1/2 and OE Pins only
–
–
7
pF
IVDD
Supply Current
VDD/AVDD/VDDL Current
–
60
–
mA
CINXIN
Input Capacitance at XIN VCXO Disabled External Reference
–
15
–
pF
CINXTAL
Input Capacitance at
Crystal
VCXO Disabled Fixed Freq. Oscillator
–
12
–
pF
Notes
4. Parameters are guaranteed by design and characterization. Not 100% tested in production. All parameters specified with fully loaded outputs.
5. Custom Drive level and is available upon request
AC Parameters
Parameter[4]
Description
Conditions
Min.
Typ. Max. Units
1/t1
Output Frequency
PLL minmax/Dividermaximum
4.2
–
166
MHz
DC1
Output Duty Cycle
(excluding REFOUT
Duty Cycle is defined in Figure 4; t2/t1, 50% of VDD
External reference duty cycle between 40% and 60% measured at
VDD/2 (Clock output is
125 MHz)
45
50
55
%
DC2
Output Duty Cycle
Duty Cycle is defined in Figure 4; t2/t1, 50% of VDD
External reference duty cycle between 40% and 60% measured at
VDD/2 (Clock output is
125 MHz)
40
50
60
%
DCREFOUT
Output Duty Cycle
Duty Cycle is defined in Figure 4; t2/t1, 50% of VDD
(XIN Duty Cycle = 45/55%)
40
50
60
%
ER
Rising Edge Rate
Output Clock Edge Rate. Measured from 20% to 80% of
VDD. CLOAD = 15 pF. See Figure 5.
0.75
1.2
–
V/ns
EF
Falling Edge Rate
Output Clock Edge Rate. Measured from 80% to 20% of
VDD. CLOAD = 15pF See Figure 5.
0.75
1.2
–
V/ns
T9
Clock Jitter
Period Jitter
–
±250
–
ps
T10
PLL Lock Time
–
1
5
ms
fXO
VCXO Crystal Pull
Range
Using non-
SMD-49 crystal specified in
“
CY22388Appl
i
cat
i
on
Not
e,ANC0002”
Nominal Crystal Frequency Input assumed (0 ppm)@25°C and 3.3V
±110 ±120
–
ppm
Using
SMD-49 crystal specified in
“
CY22388Appl
i
cat
i
on
Not
e,ANC0002”
Nominal Crystal Frequency Input assumed (0 ppm)@25°C and 3.3V
±105 ±120
–
ppm
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