CDC421XXX Datasheet, PDF (4/18 Pages) Texas Instruments – FULLY INTEGRATED FIXED FREQUENCY LOW-JITTER, CRYSTAL-OSCILLATOR CLOCK GENERATOR

CDC421xxx
SLAS540 – APRIL 2007
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
V_CC
Supply voltage
T_A
Ambient temperature, no airflow, no heat sink
ELECTRICAL CHARACTERISTICS
over recommended operating conditions for CDC421xxx device
PARAMETER
V_CC
Supply voltage
I_VCC
Total current at 3.3 V
LVPECL OUTPUT
f_CLK
V_OH
V_OL
|V_OD|
t_r
t_f
Output frequency
LVPECL high-level output voltage
LVPECL low-level output voltage
LVPECL differential output voltage
Output rise time
Output fall time
Duty cycle of the output waveform
LVCMOS INPUT
V_IL,CMOS
V_IH,CMOS
I_L,CMOS
I_H,CMOS
Low-level CMOS input voltage
High-level CMOS input voltage
Low-level CMOS input current
High-level CMOS input current
TEST CONDITIONS
3.3 V, 312.5 MHz
20% to 80% of V_OUTpp
80% to 20% of V_OUTpp
V_CC = 3.3 V
V_CC = 3.3 V
V_CC = V_{CC max}, V_IL = 0 V
V_CC = V_{CC min}, V_IH = 3.7 V
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MIN NOM
3
3.3
–40
MAX
3.6
85
UNIT
V
°C
MIN TYP
3
3.3
91
MAX
3.6
110
UNIT
V
mA
100
V_CC – 1.20
V_CC – 2.17
407
45%
312.5 MHz
V_CC – 0.81
V
V_CC – 1.36
V
1076 mV
170
ps
170
ps
55%
0.7 V_CC
0.3 V_CC
V
V
–200 µA
200 µA
4
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