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SN54LV245 Datasheet(PDF) 3 Page - Texas Instruments |
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SN54LV245 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 7 page SN54LV245, SN74LV245 OCTAL BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCLS075E − JANUARY 1991 − REVISED APRIL 1996 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 recommended operating conditions (see Note 4) SN54LV245 SN74LV245 UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 2.7 5.5 2.7 5.5 V VIH High-level input voltage VCC = 2.7 V to 3.6 V 2 2 V VIH High-level input voltage VCC = 4.5 V to 5.5 V 3.15 3.15 V VIL Low-level input voltage VCC = 2.7 V to 3.6 V 0.8 0.8 V VIL Low-level input voltage VCC = 4.5 V to 5.5 V 1.65 1.65 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V IOH High-level output current VCC = 2.7 V to 3.6 V −8 −8 mA IOH High-level output current VCC = 4.5 V to 5.5 V −16 −16 mA IOL Low-level output current VCC = 2.7 V to 3.6 V 8 8 mA IOL Low-level output current VCC = 4.5 V to 5.5 V 16 16 mA ∆t/∆v Input transition rise or fall rate 0 50 0 50 ns / V TA Operating free-air temperature −55 125 −40 85 °C NOTE 4: Unused inputs must be held high or low to prevent them from floating. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC† SN54LV245 SN74LV245 UNIT PARAMETER TEST CONDITIONS VCC† MIN TYP MAX MIN TYP MAX UNIT IOH = −100 µA MIN to MAX VCC−0.2 VCC−0.2 VOH IOH = −8 mA 3 V 2.4 2.4 V VOH IOH = −16 mA 4.5 V 3.6 3.6 V IOL = 100 µA MIN to MAX 0.2 0.2 VOL IOL = 8 mA 3 V 0.4 0.4 V VOL IOL = 16 mA 4.5 V 0.55 0.55 V II VI = VCC or GND 3.6 V ±1 ±1 A II VI = VCC or GND 5.5 V ±1 ±1 µA IOZ‡ VO = VCC or GND 3.6 V ±5 ±5 A IOZ‡ VO = VCC or GND 5.5 V ±5 ±5 µA ICC VI = VCC or GND, IO = 0 3.6 V 20 20 A ICC VI = VCC or GND, IO = 0 5.5 V 20 20 µA nICC One input at VCC − 0.6 V, Other inputs at VCC or GND 3 V to 3.6 V 500 500 µA Ci Control inputs VI = VCC or GND 3.3 V 2.5 2.5 pF Ci Control inputs VI = VCC or GND 5 V 3 3 pF Co A or B port VO = VCC or GND 3.3 V 7 7 pF Co A or B port VO = VCC or GND 5 V 8 8 pF † For conditions shown as MIN or MAX, use the appropriate values under recommended operating conditions. ‡ For I/O ports, the parameter IOZ includes the input leakage current. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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