Crystal Oscillator Model Name 7311S-GF Simple Packaged Crystal Oscillator (SPXO) 7300 Series n Main Application For SONET-, SDH-, and GbEthernet-related equipment n Features l Power supply voltage and LV-PECL output level are 2.5 V and 62.5 to 350 MHz, respectively. l Ultra-compact with dimensions of 7.0 x 5.0 x 1.7 mm. l A surface-mount crystal oscillator. Pb Free n Specifications Model Classification Item 7311S-GF-XXXX XXXX : 255R, 505X, 104X Standard nominal frequency (MHz) 220 to 350 62.5 to 220 Power supply voltage +2.5V DC ±5% Load 50Ω Operating temperature range 0 to 85°C 0 to 70°C, 0 to 85°C ±25×10−6 max/0 to 70°C (255R) ±50×10−6 max/0 to 85°C (505X) ±50×10−6 max/0 to 85°C (505X) Comprehensive frequency stability ±100×10−6 max/0 to 85°C (104X) ±100×10−6 max/0 to 85°C (104X) During operation Consumption current 55mA typ. (88mA max) During standby 30μA max. Output level PECL level (Complementary) Duty cycle 45 to 55% (at Waveform) Phase jitter (1σ) 1ps max. (12KHz to 20MHz) 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 +DC #1 Input #4 and #5 output Level H (VIH ≥ 0.7 Vcc) Level L (VIL ≤ 0.3 Vcc) Comprehensive frequency stability ±50×10−6max/0 to 85°C #5 5.08±0.1 1.7±0.2 #4 −6 ±100×10 max/0 to 85°C Nominal frequency range (MHz) 62.5 ≤ F < 220 220 ≤ F < 350 − NSA3344B NSA3345B NSA3345F NSA3346B NSA3346F 1.5 1.6 3.9 #3 2.6±0.1 #6 #2 1.2±0.1 1.4±0.1 #1 High impedance n Number for specifying an order (+2.5V LV-PECL) ±25×10−6max/0 to 70°C Reference land pattern Oscillation output ON or OPEN is selected. n How to Specify an Order Model name Frequency (up to 9 digits) M – Number for specifying an order When ordering +2.5V, ±100×10-6 max/0 to 85°C, 156.25 MHz 7311S-GF-104X-156.250000M-NSA3346B 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/). co21_071108_7311S-GF_e1