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74ALS240ADB Scheda tecnica(PDF) 3 Page - NXP Semiconductors |
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74ALS240ADB Scheda tecnica(HTML) 3 Page - NXP Semiconductors |
3 / 9 page Philips Semiconductors Product specification 74ALS240A/ 74ALS240A-1 Octal inverter buffer (3-State) 1991 Feb 08 3 LOGIC DIAGRAM VCC = Pin 20 GND = Pin 10 SF00323 Yb0 Yb1 Yb2 Yb3 3 5 7 9 17 15 13 11 10 Ya0 Ya1 Ya2 Ya3 18 16 14 12 2 4 6 8 1 Ib0 Ib1 Ib2 Ib3 OEb Ia0 Ia1 Ia2 Ia3 OEa FUNCTION TABLE INPUTS OUTPUTS OEa Ia OEb Ib Ya Yb L L L L H H L H L H L L H X H X Z Z H = High voltage level L = Low voltage level X = Don’t care Z = High impedance “off” state ABSOLUTE MAXIMUM RATINGS (Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free air temperature range.) SYMBOL PARAMETER RATING UNIT VCC Supply voltage –0.5 to +7.0 V VIN Input voltage –0.5 to +7.0 V IIN Input current –30 to +5 mA VOUT Voltage applied to output in High output state –0.5 to VCC V IO Current applied to output in Low output state All versions 48 mA IOUT Current applied to output in Low output state -1 version 96 mA Tamb Operating free-air temperature range 0 to +70 °C Tstg Storage temperature range –65 to +150 °C RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER LIMITS UNIT SYMBOL MIN NOM MAX UNIT VCC Supply voltage 4.5 5.0 5.5 V VIH High-level input voltage 2.0 V VIL Low-level input voltage 0.8 V IIK Input clamp current –18 mA IOH High-level output current –15 mA IO Low level output current All versions 24 mA IOL Low-level output current -1 version 48 1 mA Tamb Operating free-air temperature range 0 +70 °C NOTE: 1. The 48mA limit applies only under the condition of VCC = 5.0V ±5%. |
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