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SI5341 датащи(PDF) 25 Page - Silicon Laboratories |
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SI5341 датащи(HTML) 25 Page - Silicon Laboratories |
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25 / 53 page ![]() Parameter Symbol Test Condition Min Typ Max Units Output Voltage Low1, 2, 3 VOL VDDO = 3.3 V OUTx_CMOS_DRV=1 IOL = 10 mA — — VDDO x 0.15 V OUTx_CMOS_DRV=2 IOL = 12 mA — — OUTx_CMOS_DRV=3 IOL = 17 mA — — VDDO = 2.5 V OUTx_CMOS_DRV=1 IOL = 6 mA — — VDDO x 0.15 V OUTx_CMOS_DRV=2 IOL = 8 mA — — OUTx_CMOS_DRV=3 IOL = 11 mA — — VDDO = 1.8 V OUTx_CMOS_DRV=2 IOL = 4 mA — — VDDO x 0.15 V OUTx_CMOS_DRV=3 IOL = 5 mA — — LVCMOS Rise and Fall Times3 (20% to 80%) tr/tf VDDO = 3.3V — 400 600 ps VDDO = 2.5 V — 450 600 ps VDDO = 1.8 V — 550 750 ps Notes: 1. Driver strength is a register programmable setting and stored in NVM. Options are OUTx_CMOS_DRV = 1, 2, 3. Refer to the Family Reference Manual for more details on register settings. 2. IOL/IOH is measured at VOL/VOH as shown in the dc test configuration. 3. A series termination resistor (Rs) is recommended to help match the source impedance to a 50 W PCB trace. A 5 pF capacitive load is assumed. The LVCMOS outputs were set to OUTx_CMOS_DRV = 3. Zs IOL/IOH VOL/VOH 50 OUT OUTb IDDO Trace length 5 inches 50 4.7 pF 4.7 pF 56 499 499 56 AC Test Configuration 50 probe, scope 50 probe, scope DC Block DC Block DC Test Configuration Si5341/40 Rev D Data Sheet Electrical Specifications silabs.com | Smart. Connected. Energy-friendly. Rev. 1.0 | 24 |
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