ICS844801I-24 Datasheet, PDF (2/13 Pages) Integrated Device Technology – FEMTOCLOCKS™ CRYSTAL-TO-LVDS 400MHZ FREQUENCY SYNTHESIZER

ICS844801I-24
FEMTOCLOCKS™ CRYSTAL-TO-LVDS 400MHZ FREQUENCY SYNTHESIZER
PRELIMINARY
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1
V_DDA
Power
2, 3
XTAL_OUT,
XTAL_IN
Input
4
GND
Power
Analog supply pin.
Crystal oscillator interface. XTAL_IN is the input,
XTAL_OUT is the output.
Power supply ground.
5
FREQ_SEL Input Pullup Frequency select pin. LVCMOS/LVTTL interface levels.
6, 7
nQ, Q
Output
Differential clock outputs. LVDS interface levels.
8
V_DD
Power
Core supply pin.
NOTE: Pullup refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
C_IN
R_PULLUP
Parameter
Input Capacitance
Input Pullup Resistor
Test Conditions
Minimum
Typical
4
51
Maximum
Units
pF
kΩ
IDT^™ / ICS^™ LVDS 400MHZ FREQUENCY SYNTHESIZER
2
ICS844801AGI-24 REV A JANUARY 16, 2008