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74ABT543APW データシート(PDF) 4 Page - NXP Semiconductors |
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74ABT543APW データシート(HTML) 4 Page - NXP Semiconductors |
4 / 12 page Philips Semiconductors Product specification 74ABT543A Octal latched transceiver with dual enable (3-State) 1998 Sep 24 4 FUNCTION TABLE INPUTS OUTPUTS STATUS OEXX EXX LEXX An or Bn Bn or An H X X X Z Disabled X H X X Z Disabled L L ↑ ↑ L L h l Z Z Disabled + Latch L L L L ↑ ↑ h l H L Latch + Display L L L L L L H L H L Transparent L L H X NC Hold H = High voltage level h = High voltage level one set-up time prior to the Low-to-High transition of LEXX or EXX (XX = AB or BA) L = Low voltage level l = Low voltage level one set-up time prior to the Low-to-High transition of LEXX or EXX (XX = AB or BA) X = Don’t care ↑ = Low-to-High transition of LEXX or EXX (XX = AB or BA) NC= No change Z = High impedance or “off” state ABSOLUTE MAXIMUM RATINGS1, 2 SYMBOL PARAMETER CONDITIONS RATING UNIT VCC DC supply voltage –0.5 to +7.0 V IIK DC input diode current VI < 0 –18 mA VI DC input voltage3 –1.2 to +7.0 V IOK DC output diode current VO < 0 –50 mA VOUT DC output voltage3 output in Off or High state –0.5 to +5.5 V IOUT DC output current output in Low state 128 mA Tstg Storage temperature range –65 to 150 °C NOTES: 1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150 °C. 3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER LIMITS UNIT Min Max VCC DC supply voltage 4.5 5.5 V VI Input voltage 0 VCC V VIH High-level input voltage 2.0 V VIL Low-level input voltage 0.8 V IOH High-level output current –32 mA IOL Low-level output current 64 mA ∆t/∆v Input transition rise or fall rate 0 10 ns/V Tamb Operating free-air temperature range –40 +85 °C |
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