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813N252AKI-04LF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
ICS813N252AKI-04 REVISION A MAY 24, 2011 4 ©2011 Integrated Device Technology, Inc.
ICS813N252I-04 Data Sheet VCXO JITTER ATTENUATOR & FEMTOCLOCK
®
NG MULTIPLIER
Function Tables
Table 3A. Pre-Divider Selection Function Table
Table 3B. Output Divider Function Table
Table 3C. CLK_SEL Function Table
Inputs
Pre-Divider ValuePDSEL_2 PDSEL_1 PDSEL_0
000 1
001 193
010 256
0 1 1 2430
1 0 0 3125
1 0 1 9720
1 1 0 15625
1 1 1 19440 (default)
Inputs
Output Divider ValueODxSEL_1 ODxSEL_0
0 0 25 (default)
01 5
10 4
11 2
Input
Selected InputCLK_SEL
0 CLK0, nCLK0
1 CLK1, nCLK1
ICS813N252AKI-04 REVISION A MAY 24, 2011 5 ©2011 Integrated Device Technology, Inc.
ICS813N252I-04 Data Sheet VCXO JITTER ATTENUATOR & FEMTOCLOCK
®
NG MULTIPLIER
Table 3D. Frequency Function Table
Input
Frequency
(MHz)
Pre-Divider
Value
VCXO Frequency
(MHz) FemtoClock
Feedback
Divider Value
FemtoClock
VCO
Frequency
(MHz)
Output Divider
Value
Output
Frequency
(MHz)
0.008 1 25 25 625 25 25
0.008 1 25 25 625 5 125
0.008 1 25 25 625 4 156.25
0.008 1 25 25 625 2 312.5
1.544 193 25 25 625 25 25
1.544 193 25 25 625 5 125
1.544 193 25 25 625 4 156.25
1.544 193 25 25 625 2 312.5
2.048 256 25 25 625 25 25
2.048 256 25 25 625 5 125
2.048 256 25 25 625 4 156.25
2.048 256 25 25 625 2 312.5
19.44 2430 25 25 625 25 25
19.44 2430 25 25 625 5 125
19.44 2430 25 25 625 4 156.25
19.44 2430 25 25 625 2 312.5
25 3125 25 25 625 25 25
25 3125 25 25 625 5 125
25 3125 25 25 625 4 156.25
25 3125 25 25 625 2 312.5
77.76 9720 25 25 625 25 25
77.76 9720 25 25 625 5 125
77.76 9720 25 25 625 4 156.25
77.76 9720 25 25 625 2 312.5
125 15625 25 25 625 25 25
125 15625 25 25 625 5 125
125 15625 25 25 625 4 156.25
125 15625 25 25 625 2 312.5
155.52 19440 25 25 625 25 25
155.52 19440 25 25 625 5 125
155.52 19440 25 25 625 4 156.25
155.52 19440 25 25 625 2 312.5
ICS813N252AKI-04 REVISION A MAY 24, 2011 6 ©2011 Integrated Device Technology, Inc.
ICS813N252I-04 Data Sheet VCXO JITTER ATTENUATOR & FEMTOCLOCK
®
NG MULTIPLIER
Absolute Maximum Ratings
NOTE: Stresses beyond those listed under
Absolute Maximum Ratings
may cause permanent damage to the device.
These ratings are stress specifications only. Functional operation of product at these conditions or any conditions beyond
those listed in the
DC Characteristics or AC Characteristics
is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect product reliability.
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, V
CC
= V
CCO
= V
CCX
= 3.3V ± 5%, V
EE
= 0V, T
A
= -40°C to 85°C
Table 4B. LVCMOS/LVTTL DC Characteristics, V
CC
= V
CCO
= V
CCX
= 3.3V ± 5%, V
EE
= 0V, T
A
= -40°C to 85°C
Item Rating
Supply Voltage, V
CC
3.63V
Inputs, V
I
-0.5V to V
CC
+ 0.5V
Outputs, I
O
(LVPECL)
Continuous Current
Surge Current
Outputs, I
O
(LVDS)
Continuous Current
Surge Current
50mA
100mA
10mA
15mA
Package Thermal Impedance, θ
JA
37°C/W (0 mps)
Storage Temperature, T
STG
-65°C to 150°C
Symbol Parameter Test Conditions Minimum Typical Maximum Units
V
CC
Core Supply Voltage 3.135 3.3 3.465 V
V
CCA
Analog Supply Voltage V
CC
– 0.20 3.3 V
CC
V
V
CCO
Output Supply Voltage 3.135 3.3 3.465 V
V
CCX
Charge Pump Supply Voltage 3.135 3.3 3.465 V
I
EE
Power Supply Current 225 mA
I
CCA
Analog Supply Current 20 mA
I
CCX
Charge Pump Supply Current 20 mA
Symbol Parameter Test Conditions Minimum Typical Maximum Units
V
IH
Input High Voltage 2 V
CC
+ 0.3 V
V
IL
Input Low Voltage -0.3 0.8 V
I
IH
Input
High Current
CLK_SEL,
ODASEL_[0:1],
ODBSEL_[0:1]
V
CC
= V
IN
= 3.465V 150 µA
PDSEL_[0:2] V
CC
= V
IN
= 3.465V 10 µA
I
IL
Input
Low Current
CLK_SEL,
ODASEL_[0:1],
ODBSEL_[0:1]
V
CC
= 3.465V, V
IN
= 0V -10 µA
PDSEL_[0:2] V
CC
= 3.465, V
IN
= 0V -150 µA
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813N252AKI-04LF

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IC VCXO ATTENUATOR/MULT 32VFQFPN
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