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SI5321 Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers |
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SI5321 Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers |
6 / 34 page Si5321 6 Rev. 2.3 Table 2. DC Characteristics, VDD =3.3 V (VDD33 =3.3 V ±5%, TA =–20 to 85 °C) Parameter Symbol Test Condition Min Typ Max Unit Supply Current 1 IDD 622.08 MHz In, 19.44 MHz Out — 141 155 mA Supply Current 2 IDD 19.44 MHz In, 622.08 MHz Out — 135 145 mA Power Dissipation Using 3.3 V Supply Clock Output PD 19.44 MHz In, 622.08 MHz Out — 445 479 mW Common Mode Input Voltage1,2,3 (CLKIN) VICM 1.0 1.5 2.0 V Single-Ended Input Voltage2,3,4 (CLKIN) VIS See Figure 1A 200 — 5004 mVPP Differential Input Voltage Swing2,3,4 (CLKIN) VID See Figure 1B 200 — 5004 mVPP Input Impedance (CLKIN+, CLKIN–) RIN —80 — k Ω Differential Output Voltage Swing (CLKOUT) VOD 100 Ω Load Line-to-Line 750 825 1100 mVPP Output Common Mode Voltage (CLKOUT) VOCM 100 Ω Load Line-to-Line 1.4 1.8 2.2 V Output Short to GND (CLKOUT) ISC(–) –60 — — mA Output Short to VDD25 (CLKOUT) ISC(+) —15 — mA Input Voltage Low (LVTTL Inputs) VIL —— 0.8 V Input Voltage High (LVTTL Inputs) VIH 2.0 — — V Input Low Current (LVTTL Inputs) IIL —— 50 µA Input High Current (LVTTL Inputs) IIH —— 50 µA Internal Pulldowns (LVTTL Inputs) Ipd —— 50 µA Input Impedance (LVTTL Inputs) RIN 50 — — k Ω Output Voltage Low (LVTTL Outputs) VOL IO =0.5 mA — — 0.4 V Output Voltage High (LVTTL Outputs) VOH IO =0.5 mA 2.0 — — V Notes: 1. The Si5321 device provides weak 1.5 V internal biasing that enables ac-coupled operation. 2. Clock inputs may be driven differentially or single-endedly. When driven single-endedly, the unused input should be ac- coupled to ground. 3. Transmission line termination, when required, must be provided externally. 4. Although the Si5321 device can operate with input clock swings as high as 1500 mVPP, Silicon Laboratories recommends maintaining the input clock amplitude below 500 mVPP for optimal performance. |
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