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CD74AC257SM Datasheet(PDF) 3 Page - Texas Instruments |
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CD74AC257SM Datasheet(HTML) 3 Page - Texas Instruments |
3 / 17 page 3 Absolute Maximum Ratings Thermal Information DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 6V DC Input Diode Current, IIK For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . . .±20mA DC Output Diode Current, IOK For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±50mA DC Output Source or Sink Current per Output Pin, IO For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±50mA DC VCC or Ground Current, ICC or IGND (Note 3) . . . . . . . . .±100mA Operating Conditions Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . -55 oC to 125oC Supply Voltage Range, VCC (Note 4) AC Types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5V to 5.5V ACT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . 0V to VCC Input Rise and Fall Slew Rate, dt/dv AC Types, 1.5V to 3V . . . . . . . . . . . . . . . . . . . . . . . . . 50ns (Max) AC Types, 3.6V to 5.5V . . . . . . . . . . . . . . . . . . . . . . . . 20ns (Max) ACT Types, 4.5V to 5.5V. . . . . . . . . . . . . . . . . . . . . . . 10ns (Max) Thermal Resistance (Typical, Note 5) θJA (oC/W) PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___ SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___ Maximum Junction Temperature (Plastic Package) . . . . . . . . . . 150oC Maximum Storage Temperature Range . . . . . . . . . .-65oC to 150oC Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTES: 3. For up to 4 outputs per device, add ±25mA for each additional output. 4. Unless otherwise specified, all voltages are referenced to ground. 5. θJA is measured with the component mounted on an evaluation PC board in free air. DC Electrical Specifications PARAMETER SYMBOL TEST CONDITIONS VCC (V) 25oC -40oC TO 85oC -55oC TO 125oC UNITS VI (V) IO (mA) MIN MAX MIN MAX MIN MAX AC TYPES High Level Input Voltage VIH - - 1.5 1.2 - 1.2 - 1.2 - V 3 2.1 - 2.1 - 2.1 - V 5.5 3.85 - 3.85 - 3.85 - V Low Level Input Voltage VIL - - 1.5 - 0.3 - 0.3 - 0.3 V 3 - 0.9 - 0.9 - 0.9 V 5.5 - 1.65 - 1.65 - 1.65 V High Level Output Voltage VOH VIH or VIL -0.05 1.5 1.4 - 1.4 - 1.4 - V -0.05 3 2.9 - 2.9 - 2.9 - V -0.05 4.5 4.4 - 4.4 - 4.4 - V -4 3 2.58 - 2.48 - 2.4 - V -24 4.5 3.94 - 3.8 - 3.7 - V -75 (Note 6, 7) 5.5 - - 3.85 - - - V -50 (Note 6, 7) 5.5 ---- 3.85 - V CD54/74AC257, CD54/74ACT257, CD74ACT258 |
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