2765E-2.457600MHZ

Crystal Clock Oscillator 2765E Series EMI Noise-reducing Type ■ Model name 2765E Overall frequency tolerance of ±100 x 10–6. ■ Application ● For compact mobile information equipment, such as PDA and notebook PC ■ Features ● With a spread spectrum function installed, this crystal oscillator effectively reduces EMI noise. ● Down-spreading and center-spreading. ● With a standby function installed, power consumption is reduced. Absolute maximum rating Supply voltage (VCC) -0.5 to +7.0 V Storage temperature range -55 to +125 °C ■ Specifications Item Output level Model 2765E (MHz) 20 ≤ F ≤ 80 (°C) –20 to +70 CMOS Nominal frequency range *1 Operating temperature range *2 (×10–6) ±100 (V) +3.3±0.3 During operation (mA) 30 During standby (μA) 30 VOL max/VOH min (V) 0.2 VCC/0.8 VCC Tr max/Tf max (ns) 5/5 (0.2 VCC to 0.8 VCC) Symmetry min. to max. (%) 40 to 60 (at 1/2 VCC) Load (CL) max (pF) 15 Start-up time max (ms) 10 Overall frequency tolerance Supply voltage [VCC] Current consumption (+3.3 V, 25 °C) max Standby function Available (Three-state) Number for specifying an order NSA3393B *1: If you require a product with a frequency not given above, please contact us. *2: If you require a product with an operating temperature range not given above, please contact us. ■ Dimensions ■ Output Waveform mm 3.2±0.2 1.0 ±0.2 0.36±0.1 5.0±0.2 0.8V VDD CC #2 GND VDD 1/2V CC #3 OUTPUT #4 VCC 0.2V VDD CC VOH VOL 1.4 #4 #4 2.54±0.1 #3 #1 Cby=0.01μF 2.54 T ■ Spread Spectrum Characteristics #3 1.2 0.25±0.1 Land pattern (Typical) 2.2 C0.5 1.2±0.1 1.2±0.1 #2 0V t Symmetry = t/T × 100 [%] #1 1.0±0.1 STAND-BY #1 Tf Tr Terminal land connections Spreading Type Spreading Ratio Center spreading ±2.0 % ■ Standby Function #2 #1 Input Mount an approx. 0.01 μF bypass capacitor between VCC and GND (close to the product) Level H (0.7 VCC ≤ VIH ≤ VCC) or OPEN is selected. Level L (VIL ≤ 0.3 VCC) is selected. ■ How to Specify an Order #3 Output Oscillation output ON High impedance When ordering our products, specify them with an “Ordering Code” that consists of the following: Example : When ordering a product with model name: 2765E, frequency: 20 MHz, overall frequency tolerance: ±100 x 10–6, and supply voltage: 3.3 V Model name – Frequency (up to 9 digits) M – Number for specifying an order Ordering Code: 2765E – 20.000000M – NSA3393B 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/). - 85 - 13A_0730_2765E_e