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ST26C31 Scheda tecnica(PDF) 6 Page - STMicroelectronics |
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ST26C31 Scheda tecnica(HTML) 6 Page - STMicroelectronics |
6 / 15 page Electrical characteristics ST26C31 6/15 3 Electrical characteristics Note: 1 Unless otherwise specified, min/max limits apply across the recommended operating temperature range. All typical are given for VCC = 5V and Ta = 25°C 2 See EIA Specification RS422 for exact test conditions. 3 Measured per pin input. All other input at VCC or GND. 4 This is the current sourced when a high output is shorted to ground. Only one output at time should be shorted. Table 5. Electrical characteristics (VCC = 5V ± 10%, unless otherwise specified, See Note 1) Symbol Parameter Test Conditions Value Unit Min. Typ. Max. VIH High level input voltage 2 V VIL Low level input voltage 0.8 V VOH High level output voltage VIN = VIH or VIL, IOUT = -20mA 2.5 3.4 V VOL Low level output voltage VIN = VIH or VIL, IOUT = +20mA 0.3 0.5 V VT Differential output voltage RL = 100 Ω (Note 2)2 3.1 V VT-VT Difference in differential output voltage RL = 100 Ω (Note 2)0.4 V VOS Common mode output voltage RL = 100 Ω (Note 2)1.8 3 V VOS- VOS Difference in common mode output voltage RL = 100 Ω (Note 2)0.4 V IIN Input current VIN = VCC, GND, VIH or VIL ±1 µA ICC Quiescent supply current (Note 2) IOUT = 0 µA VIN = VCC or GND 200 500 µA VIN = 2.4 or 0.5 V (Note 3) 0.8 2 mA IOZ 3-STATE output leakage current VOUT = VCC or GND ENABLE = VIL ENABLE = VIH ±0.5 ±5 µA ISC Output short circuit current VIN = VCC or GND (Note 2, Note 4) -30 -150 mA IOFF Power off output leakage current (Note 2) VCC = 0 V VOUT = 6 V 100 µA VOUT = -0.25 V -100 µA |
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