Crystal Oscillator Model Name 7311S-DF Simple Packaged Crystal Oscillator (SPXO) 7300 Series n Main Application For SONET-, SDH-, and GbEthernet-related equipment n Features l Power supply voltage is 2.5V, LV-PECL output level. l Output frequency range are 62.5 to 313 MHz. l Ultra-compact with dimensions of 7.0 x 5.0 x 1.7 mm. l Surface-mount crystal oscillator. Pb Free n Specifications Model Classification Item 7311S DF-XXXX (XXXX : 255R, 505X, 104X) Nominal frequency range (MHz) 62.5 to 220 220 to 313 Power supply voltage [VCC] (V) +3.3 ± 10 % Load (Ω) 50 (to VCC−2.0 V) During operation Current consumption Max. 90 mA (60 mA typ.) During standby Max. 30 μA Output level PECL level (Complementary) Operating temperature range (℃) 0 to +70, 0 to +85 0 to +85 −6 Max. ±25×10 / 0 to +70 ℃ (255R) Max. ±50×10−6/ 0 to +85 ℃ (505X) Max. ±50×10−6/ 0 to +85 ℃ (505X) Frequency stability Max. ±100×10−6/ 0 to +85 ℃ (104X) Max. ±100×10−6/ 0 to +85 ℃ (104X) Duty cycle (%) 45 to 55 (at 50 % Waveform) Phase jitter (RMS) Max. 1 ps (12 kHz to 20 MHz) Standby function (tristate) Available n Dimensions n Standby Function Table (Tristate) mm PAD No. Connection #1 STAND-BY 5.0 ± 0.1 7.0 ± 0.1 #2 N.C #3 GND #4 OUTPUT #5 OUTPUT #6 VCC #1 Input #4 and #5 output Level H (VIH ≥ 0.7 Vcc) Level L (VIL ≤ 0.3 Vcc) Comprehensive frequency stability #5 5.08 ± 0.1 #4 2.6 ± 0.1 #6 1.5 #3 −6 Max. ±100×10 /0 to 85 °C Nominal frequency range (MHz) 62.5 ≤ F < 220 220 ≤ F ≤ 313 − NSA3344A NSA3345A NSA3345E NSA3346A NSA3346E 1.6 3.9 1.4 ± 0.1 #2 1.2 ± 0.1 1.7 ± 0.2 Max. ±50×10−6/0 to 85 °C #1 High impedance n Number for specifying an order (+3.3V LV-PECL) Max. ±25×10−6/0 to 70 °C Reference land pattern Oscillation output ON or OPEN n How to Specify an Order Model name Frequency (up to 8 digits) M – Number for specifying an order When ordering +3.3 V, Max. ±100×10−6/0 to 85°C, 156.25 MHz 7311S-DF-104X-156.25M-NSA3346A 2.54 5.08 – Cby=0.01μF If you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales representatives or visit our homepage (http://www.ndk.com/). co25_080919_7311S-DF_e