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ICS843031-01 Datasheet, PDF (2/16 Pages) Integrated Device Technology – FEMTOCLOCKS™ CRYSTAL-TO- 3.3V, 2.5V LVPECL CLOCK GENERATOR
ICS843031-01
FEMTOCLOCKS™ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1
VCCA
Power
Analog supply pin.
2
VEE
Power
3, 4
XTAL_OUT,
XTAL_IN
Input
Negative supply pin.
Crystal oscillator interface. XTAL_IN is the input,
XTAL_OUT is the output.
5
OE
Input Pullup Output Enable pin. LVCMOS/LVTTL interface levels.
6, 7
nQ, Q
Output
Differential clock outputs. LVPECL interface levels.
8
VCC
Power
Power supply pin.
NOTE: Pullup refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
C
IN
RPULLDOWN
Parameter
Input Capacitance
Input Pullup Resistor
Test Conditions
Minimum
Typical
4
51
Maximum
Units
pF
kΩ
TABLE 3. OE FUNCTION TABLE
Input
OE
0
1
Outputs
Q/nQ
Hi-Z
Enabled
IDT™ / ICS™ 3.3V, 2.5V LVPECL CLOCK GENERATOR
2
ICS843031AG-01 REV. A AUGUST 1, 2007