網通
產品特色
小型化
穩定性高
安全工作溫度
RoHs認證
CRYSTAL OSCILLATORS
LVPECL
ACTUAL SIZE:
SMEN-221 SERIES
CERAMIC PACKAGE
APPLICATIONS
SONET/SDH
Fiber Channel
Ethernet
FEATURES
LVPECL 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 (Min.) | VDC-1.1 | |||
| OUTPUT VOLTAGE LOW (VOL) | V (Max.) | VDC-1.5 | |||
| OUTPUT LOAD ( Connect to VDC -2V) | Ω | 50 | |||
| OUTPUT SYMMETRY | % | 45 ~ 55 | |||
| INPUT CURRENT | |||||
| 312.500000MHz | mA (Max.) | 60 | |||
| 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.) | 0.35 | |||
| PHASE JITTER RMS (Fj:12K~20MHz) | fs (Max.) | 30(typ) 40(max) | |||
| AGING | ppm/Year | ± 3 | |||
*Inclusive of 25°C±3°C & Operating Temperature Range.
**Specification subject to change without notice.
**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)
SMEN-221 SERIES
