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Product features
Miniaturization
Miniaturization
Low Power
Low Power
RoHS Compliant
RoHS Compliant
CRYSTAL OSCILLATORS
LVDS
ACTUAL SIZE:
SMDN-221 SERIES
CERAMIC PACKAGE
CRYSTAL OSCILLATORS
APPLICATIONS
SONET/SDH
Fiber Channel
Ethernet
FEATURES
LVDS Complementary Output
RoHS Compliant
Specification
MODEL
FREQUENCY RANGE MHz 312.500000
FREQUENCY STABILITY* ppm ± 20
OPERATING TEMPERATURE °C - 40 ~ + 105
STORAGE TEMPERATURE °C - 55 ~ + 125
POWER SUPPLY VOLTAGE VDC +3.3 ± 5%
OUTPUT VOLTAGE HIGH (VOH) V (Max.) 1.6
OUTPUT VOLTAGE LOW (VOL) V (Min.) 0.9
OUTPUT LOAD ( Between Q and QN ) Ω 100
DIFFERENTIAL OUTPUT VOLTAGE mV 250(min) 450(max)
OUTPUT SYMMETRY % 45 ~ 55
INPUT CURRENT
312.500000MHz mA (Max.) 34
INPUT VOLTAGE
INPUT ENABLE VOLTAGE (VIH) V (Min.) 80%VDC
INPUT DISABLE VOLTAGE (VIL) V (Max.) 20%VDC
RISE / FALL TIME (20% to 80% / 80% to 20% Output Swing)
312.500000MHz ns (Max.) 0.4
PHASE JITTER RMS (Fj:12K~20MHz) fs (Max.) 35(typ) 50(max)
AGING ppm/Year ± 3
*Inclusive of 25°C±3°C & Operating Temperature Range.
**Specification subject to change without notice.
Pin Connection
PIN No. Connection
#1 Enable/Disable
#2 N.C.
#3 GND
#4 Output Q
#5 Output QN
#6 VDC

Enable/Disable Function
Pin #1 Pin #4 & Pin #5
HIGH(OPEN) Output
LOW High Impedance
Dimension(mm)
SMDN-221 SERIES