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ISO7421AQDRQ1 Datasheet(PDF) 6 Page - Texas Instruments |
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ISO7421AQDRQ1 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 20 page  ISO7420-Q1 ISO7421A-Q1 SLLSE14A – MARCH 2012 – REVISED JUNE 2012 www.ti.com ELECTRICAL CHARACTERISTICS VCC1 = VCC2 = 3.3 V ±5%, TA = –40°C to 125°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IOH = –4 mA, see Figure 1 VCC – 0.4 3 VOH High-level output voltage V IOH = –20 μA, see Figure 1 VCC – 0.1 3.3 IOL = 4 mA, see Figure 1 0.2 0.4 VOL Low-level output voltage V IOL = 20 μA, see Figure 1 0 0.1 VI(HYS) Input threshold voltage hysteresis 400 mV IIH High-level input current 10 μA IN from 0 V or VCC IIL Low-level input current –10 μA CI Input capacitance to ground IN at VCC, VI = 0.4 sin (4E6πt) 1 pF CMTI Common-mode transient immunity VI = VCC or 0 V, see Figure 3. 25 40 kV/ μs SUPPLY CURRENT (All inputs switching with square wave clock signal for dynamic ICC measurement) ISO7420x ICC1 DC Input: VI = VCC or 0 V 0.2 0.4 DC to 1 Mbps ICC2 AC Input: CL = 15 pF 2.6 3.7 ICC1 0.4 0.6 10 Mbps ICC2 3.3 4.3 Supply current for VCC1 and VCC2 mA ICC1 0.6 0.9 25 Mbps CL = 15 pF ICC2 4.4 5.6 ICC1 1 1.3 50 Mbps ICC2 6.2 7.5 ISO7421x ICC1 DC Input: VI = VCC or 0 V 1.8 2.8 DC to 1 Mbps ICC2 AC Input: CL = 15 pF 1.8 2.8 ICC1 2.2 3.2 10 Mbps ICC2 2.2 3.2 Supply current for VCC1 and VCC2 mA ICC1 2.8 4.1 25 Mbps CL = 15 pF ICC2 2.8 4.1 ICC1 3.8 5.8 50 Mbps ICC2 3.8 5.8 SWITCHING CHARACTERISTICS VCC1 = VCC2 = 3.3 V ± 5%, TA = –40°C to 125°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tPLH, tPHL Propagation delay time See Figure 1 12 20 ns PWD(1) Pulse duration distortion |tPHL – tPLH| 1 5 ns tsk(pp) Part-to-part skew time 6.8 ns tsk(o) Channel-to-channel output skew time 5.5 ns tr Output signal rise time 2 ns See Figure 1 tf Output signal fall time 2 ns tfs Fail-safe output delay time from input power loss See Figure 2 6 μs tui Input pulse duration 7 ns 1 / tui Signaling rate 0 50 Mbps (1) Also known as pulse skew 6 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated |
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