
ICS843021AG REVISION D OCTOBER 12, 2010
2
2010 Integrated Device Technology, Inc.
ICS843021 Data Sheet
FEMTOCLOCK CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
Table 2. Pin Descriptions
Table 3. Pin Characteristics
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, VCC = 3.3V ± 10%, VEE = 0V, TA = 0°C to 70°C
Number
Name
Type
Description
1VCCA
Unused
Analog supply pin.
2VEE
Power
Negative supply pin.
3,
4
XTAL_OUT
XTAL_IN
Input
Crystal oscillator interface. XTAL_IN is the input, XTAL_OUT is the output.
5
nc
Unused
No connect.
6, 7
nQ0, Q0
Output
Differential output pair. LVPECL interface levels.
8VCC
Power
Core supply pin.
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
CIN
Input Capacitance
4
pF
Item
Rating
Supply Voltage, VCC
4.6V
Inputs, VI
-0.5V to VCC + 0.5V
Outputs, IO
Continuos Current
Surge Current
50mA
100mA
Package Thermal Impedance,
θ
JA
101.7
°C/W (0 mps)
Storage Temperature, TSTG
-65
°C to 150°C
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
VCC
Core Supply Voltage
2.97
3.3
3.63
V
VCCA
Analog Supply Voltage
2.97
3.3
3.63
V
IEE
Power Supply Current
85
mA