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840031AMI
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 24, 2005
3
Integrated
Circuit
Systems, Inc.
ICS840031I
FEMTOCLOCKSCRYSTAL-TO-
LVCMOS/LVTTL CLOCK GENERATOR
TABLE 3A. POWER SUPPLY DC CHARACTERISTICS, V
DD = VDDA = 3.3V±5%, VDDO = 1.8V±5%, T
A
= -40°C TO 85°C
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TABLE 4. CRYSTAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, V
DD
4.6V
Inputs, V
I
-0.5V to V
DD + 0.5 V
Outputs, V
O
-0.5V to V
DDO + 0.5V
Package Thermal Impedance,
θ
JA
112.7°C/W (0 lfpm)
Storage Temperature, T
STG
-65°C to 150°C
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 be-
yond those listed in the
DC Characteristics or AC Character-
istics is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect product reliability.
TABLE 3B. LVCMOS/LVTTL DC CHARACTERISTICS, V
DD = VDDA = 3.3V±5%, VDDO = 1.8V±5%, T
A
= -40°C TO 85°C
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TABLE 5. AC CHARACTERISTICS, V
DD = VDDA = 3.3V±5%, VDDO = 1.8V±5%, T
A
= -40°C TO 85°C
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ICS840031I
FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK GENERATOR
TSD
IDT / ICS FEMTOCLOCKS CRYSTAL-TO-LVCMOS/LVTTL CLOCK GENERATOR
ICS840031I
3