Datenblatt-Suchmaschine für elektronische Bauteile |
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74ABT2953 Datenblatt(PDF) 2 Page - NXP Semiconductors |
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74ABT2953 Datenblatt(HTML) 2 Page - NXP Semiconductors |
2 / 6 page Philips Semiconductors Product specification 74ABT2953 Octal registered transceiver, inverting (3-State) 1995 Sep 06 2 LOGIC SYMBOL 16 17 18 19 20 21 22 23 A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 876 5 4 3 2 1 15 9 10 14 11 13 CPAB CPBA CEAB CEBA OEBA OEAB SA00306 LOGIC SYMBOL (IEEE/IEC) C6 1, 4, 5 14 16 8 17 7 18 6 19 5 20 4 21 3 22 2 23 1 2, 3, 6 C5 10 EN4 9 EN3 15 EN2 13 EN1 11 SA00307 FUNCTION TABLE for Register An or Bn INPUTS INTERNAL OPERATING An or Bn CPXX CEXX Q MODE X X H NC Hold data L H ↑ ↑ L L L H Load data H = High voltage level L = Low voltage level ↑ = Low-to-High transition X = Don’t care XX = AB or BA NC= No change FUNCTION TABLE for Output Enable INPUTS INTERNAL An or Bn OPERATING OEXX Q OUTPUTS MODE H X Z Disable outputs L L L H H L Enable outputs H = High voltage level L = Low voltage level X = Don’t care XX = AB or BA Z = High impedance ”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. |
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