ICS845204 Datasheet, PDF (3/13 Pages) Integrated Device Technology – CRYSTAL-TO-MLVDS PCI EXPRESS™ CLOCK SYNTHESIZER W/SPREAD SPECTRUM

ICS845204
CRYSTAL-TO-MLVDS CLOCK SYNTHESIZER W/SPREAD SPECTRUM
ADVANCE INFORMATION
Function Tables
Table 3A. F_SEL[1:0] Function Table
Inputs
Outputs
FSEL1
FSEL0
Q[0:3]/nQ[0:3]
0
0
PLL Bypass (25MHz)
0
1
100MHz (default)
1
0
125MHz
1
1
250MHz
Table 3B. SSC[1:0] Function Table
Inputs
Spread%
SSC1
SSC0
0
0
Center ± -0.25
0
1
Down -0.5
1
0
Down -0.75
1
1
No Spread (default)
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.
Item
Supply Voltage, V_DD
Inputs, V_I
Outputs, I_O
Continuos Current
Surge Current
Package Thermal Impedance, θ_JA
Storage Temperature, T_STG
Rating
4.6V
-0.5V to V_DD + 0.5V
10mA
15mA
42.4°C/W (0 mps)
-65°C to 150°C
DC Electrical Characteristics
Table 4A. Power Supply DC Characteristics, V_DD = V_DDO = 3.3V ± 5%, T_A = 0°C to 70°C
Symbol Parameter
Test Conditions
Minimum
Typical
V_DD
V_DDA
V_DDO
I_DD
I_DDA
I_DDO
Core Supply Voltage
Analog Supply Voltage
Output Supply Voltage
Power Supply Current
Analog Supply Current
Power Supply Current
3.135
V_DD – I_DDA*10Ω
3.135
3.3
3.3
3.3
TBD
TBD
TBD
Maximum
3.465
V_DD
3.465
Units
V
V
V
mA
mA
mA
IDT™ / ICS™ M-LVDS CLOCK SYNTHESIZER
3
ICS845204AK SEPTEMBER 25, 2007