Crystal Clock Oscillator 2570 Series TTL Drive Type n Model name 2570NK n Application l For notebook PC, mobile information terminal, and PC card n Features l This surface-mount crystal clock oscillator is ultra-compact, light, and leadless. Ideal for high-density mounting. l Supports a frequency range of 1.8 to 80 MHz. l Automatic mounting by taping and IR reflow (lead-free) are possible. l Lead-free. Pb Free Absolute maximum rating Power supply voltage (VDD) -0.5 to +7.0V DC Storage temperature range -55 to +125°C n Specifications Model Item 2570NK Output level (MHz) Frequency range (℃) Operating temperature range (×10–6) Frequency stability (V) Power supply voltage Consumption current (+3.3V,25℃) max (mA) (V) VOL max/VOH min (ns) Tr max/Tf max (%) Duty Cycle min. to max. TTL GATE Load (CL) max Oscillation start time max Number for specifying an order TTL 1.8 ≤ F ≤ 32 ±100 +5.0±0.5 22 5/5 10 Available (tristate) NSA3285B n Output Waveform <TTL> mm VOH 2.5 5.0max 2.4V 1.4V 0.4V VOL 1.3±0.1 #2 0V t Reference land pattern 5.08 T 1.8 10–R0.3 4.2 Duty Cycle = t/T×100 [%] 2.0 2.6 1.2 #2 5.08 #4 Tf Tr #3 #1 IOH=−4mA 45 to 55 7.5max 1.4 #1 26 0.4V/2.4V IOL=16mA n Dimensions #4 32 < F ≤ 50 −10 to +70 (*) Cby = 0.01μF #3 PAD Connection #1 Standby #2 GND #3 OUTPUT #4 VDD n Standby Function #1 Input #3 Input Level H (+2.2 V min.) or OPEN is selected. Oscillation output ON Level L (+0.8 V max.) is selected. High impedance n How to Specify an Order Example 1: When ordering a product with model name: 2570NK, frequency: 20 MHz, frequency stability: ±100 x 10–6, and power supply voltage: 5.0 V When ordering our products, specify them with an “Ordering Code” that consists of the following: Ordering Code: 2570NK – 20.000000M – NSA3285B Model name – Frequency (up to 9 digits) M – Number for specifying an order 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/). cc39_080304_2570NK_e1