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AFE7901 Datasheet(PDF) 30 Page - Texas Instruments |
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AFE7901 Datasheet(HTML) 30 Page - Texas Instruments |
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30 / 160 page  7.8 Digital Electrical Characteristics Typical values at TA = +25°C, full temperature range is TA,MIN = -40°C to TJ,MAX = +110°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CML SerDes Inputs [8:1]SRX+/- VSRDIFF SerDes Receiver Input Amplitude differential 100 1200 mVpp VSRCOM SerDes Input Common Mode 400 mV ZSRdiff SerDes Internal Differential Termination(1) 100 Ω FSerDes SerDes Bit Rate Full rate mode 19 29.5 Gbps Half rate mode 9.5 16.25 Gbps Quarter rate mode 4.75 8.125 Gbps Insertion Loss Tolerance(2) Serdes supply = 1.8V 25 dB TJ Total Jitter Tolerance 0.42 UI CML SerDes Outputs [8:1]STX+/- VSTDIFF SerDes Transmitter Output Amplitude differential 500 1000 mVpp VSTCOM SerDes Output Common Mode 0.4 0.45 0.55 V ZSTdiff SerDes Output Impedance 100 Ω TRF Output rise and fall time 20-80% 8 ps TEQS Equalization range 7 dB TTJ Output total jitter 0.21 UI CMOS I/O: GPIO{B/C/D/E}x, SPICLK, SPISDIO, SPISDO, SPISEN, RESETZ, BISTB0, BISTB1 VIH High-Level Input Voltage 0.6×VDD1 P8GPIO V VIL Low-Level Input Voltage 0.4×VDD1 P8GPIO V IIH High-Level Input Current –250 250 µA IIL Low-Level Input Current –250 250 µA CL CMOS input capacitance 2 pF VOH High-Level Input Voltage VDD1P8G PIO–0.2 V VOL Low-Level Input Voltage 0.2 V Differential Inputs: SYSREF+/- Mode A FSYSREFMAX SYSREF Input Frequency Maximum 40 MHz VSWINGSRMAX SYSREF Input Swing Maximum 1.8 Vppdiff(3) VSWINGSRMIN SYSREF Input Swing Minimum fREF < 500MHz 0.3 Vppdiff(3) VSWINGSRMIN SYSREF Input Swing Minimum fREF > 500MHz 0.6 Vppdiff(3) VCOMSRMAX SYSREF Input Common Mode Voltage Maximum 0.8 V VCOMSRMIN SYSREF Input Common Mode Voltage Minimum 0.6 V ZT Input termination differential 100 (1) Ω CL Input capacitance Each pin to GND 0.5 pF LVDS Inputs: 0SYNCIN+/- and 1SYNCIN+/- VICOM Input Common Voltage 1.2 V VID Differential Input Voltage swing 450 Vppdiff(3) ZT Input termination differential 100 Ω LVDS Outputs: 0SYNCOUT+/- and 1SYNCOUT+/- VOCOM Output Common Voltage 1.2 V VOD Differential Output Voltage swing 500 Vppdiff(3) AFE7901 SBASAO5 – APRIL 2023 www.ti.com 30 Submit Document Feedback Copyright © 2023 Texas Instruments Incorporated Product Folder Links: AFE7901 |
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