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ST3485ECN データシート(PDF) 5 Page - STMicroelectronics |
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ST3485ECN データシート(HTML) 5 Page - STMicroelectronics |
5 / 16 page ST3485E 5/16 DRIVER SWITCHING CHARACTERISTICS VCC =3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta =25°C) RECEIVER SWITCHING CHARACTERISTICS VCC =3V to 3.6V, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to Ta = 25°C) Note 1: ∆V OD and ∆VOC are the changes in VOD and VOC, respectively, when the DI input changes state. Note 2: measured on |tPLH(A)-tPHL(A)| and |tPLH(B)-tPHL(B)| Note 3: The transceivers are put into shutdown by bring RE high and DE low. If the input are in state for less than 80ns, the part are guaren- teed not to enter shutdown. If the inputs are in this state for at least 300ns, the parts are guarenteed to have entered shutdown. Symbol Parameter Test Conditions Min. Typ. Max. Unit DR Maximum Data Rate 12 15 Mbps tDD Differential Output Delay RL=60Ω CL = 15pF, (Figures 4,5) 18 30 ns tTD Differential Output Transition Time RL=60Ω CL = 15pF, (Figures 4,5) 12 20 ns tPLH tPHL Propagation Delay RL=27Ω CL = 15pF, (Figures 8,9) 18 30 ns tPDS |tPLH - tPHL| Propagation Delay Skew (Note2) RL=27Ω CL = 15pF, (Figures 8,9) 2 5 ns tPZL Output Enable Time RL=110Ω (Figures 10,11) 19 35 ns tPZH Output Enable Time RL=110Ω (Figures 6,7) 30 50 ns tPHZ Output Disable Time RL=110Ω (Figures 6,7) 19 35 ns tPLZ Output Disable Time RL=110Ω (Figures 10,11) 30 50 ns tSKEW Differential Output Delay Skew 13 ns tZH(SHDN) Driver Enable from Shutdown to Output High 30 50 ns tZL(SHDN) Driver Enable from Shutdown to Output Low 19 35 ns Symbol Parameter Test Conditions Min. Typ. Max. Unit tPLH tPHL Propagation Delay VID =0V to 3V CL1 = 15pF, (Figures 12,13) 30 50 ns tRPDS |tPLH - tPHL| Propagation Delay Skew VID =0V to 3V CL1 = 15pF, (Figures 12,13) 1 3 ns tPZL Output Enable Time CRL = 15pF (Figures 14-18) 10 20 ns tPZH Output Enable Time CRL = 15pF (Figures 14-18) 10 20 ns tPHZ Output Disable Time CRL = 15pF (Figures 14-18) 10 20 ns tPLZ Output Disable Time CRL = 15pF (Figures 14-18) 10 20 ns tZH(SHDN) Receiver Enable from Shutdown to Output High CRL = 15pF (Figures 14-18) 10 20 ns tZL(SHDN) Receiver Enable from Shutdown to Output Low CRL = 15pF (Figures 14-18) 20 40 ns |
同様の部品番号 - ST3485ECN |
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同様の説明 - ST3485ECN |
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