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FW802 Datasheet(PDF) 13 Page - Agere Systems |
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FW802 Datasheet(HTML) 13 Page - Agere Systems |
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13 / 24 page  Agere Systems Inc. 13 Data Sheet, Rev. 3 June 2001 Two-Cable Transceiver/Arbiter Device FW802A Low-Power PHY IEEE Electrical Characteristics Table 3. Analog Characteristics Parameter Test Conditions Symbol Min Typ Max Unit Supply Voltage Source power node VDD—SP 3.0 3.3 3.6 V Differential Input Voltage Cable inputs, 100 Mbits/s operation VID—100 142 — 260 mV Cable inputs, 200 Mbits/s operation VID—200 132 — 260 mV Cable inputs, 400 Mbits/s operation VID—400 100 — 260 mV Cable inputs, during arbitration VID—ARB 168 — 265 mV Common-mode Voltage Source Power Mode TPB cable inputs, speed signaling off VCM 1.165 — 2.515 V TPB cable inputs, S100 speed signaling on VCM—SP—100 1.165 — 2.515 V TPB cable inputs, S200 speed signaling on VCM—SP—200 0.935 — 2.515 V TPB cable inputs, S400 speed signaling on VCM—SP—400 0.532 — 2.515 V Common-mode Voltage Nonsource Power Mode* * For a node that does not source power (see Section 4.2.2.2 in IEEE 1394-1995 Standard). TPB cable inputs, speed signaling off VCM 1.165 — 2.015 V TPB cable inputs, S100 speed signaling on VCM—NSP—100 1.165 — 2.015 V TPB cable inputs, S200 speed signaling on VCM—NSP—200 0.935 — 2.015 V TPB cable inputs, S400 speed signaling on VCM—NSP—400 0.532 — 2.015 V Receive Input Jitter TPA, TPB cable inputs, 100 Mbits/s operation —— — 1.08 ns TPA, TPB cable inputs, 200 Mbits/s operation —— — 0.5 ns TPA, TPB cable inputs, 400 Mbits/s operation —— — 0.315 ns Receive Input Skew Between TPA and TPB cable inputs, 100 Mbits/s operation —— — 0.8 ns Between TPA and TPB cable inputs, 200 Mbits/s operation —— — 0.55 ns Between TPA and TPB cable inputs, 400 Mbits/s operation —— — 0.5 ns Positive Arbitration Comparator Input Threshold Voltage —VTH+89 — 168 mV Negative Arbitration Comparator Input Threshold Voltage —VTH − –168 — –89 mV Speed Signal Input Threshold Voltage 200 Mbits/s VTH—S200 45 — 139 mV 400 Mbits/s VTH—S400 266 — 445 mV Output Current TPBIAS outputs IO –5 — 2.5 mA TPBIAS Output Voltage At rated I/O current VO 1.665 — 2.015 V Current Source for Connect Detect Circuit —ICD —— 76 µA |
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