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74LVT2245PW Scheda tecnica(PDF) 5 Page - NXP Semiconductors |
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74LVT2245PW Scheda tecnica(HTML) 5 Page - NXP Semiconductors |
5 / 15 page 74LVT_LVTH2245_4 © Koninklijke Philips Electronics N.V. 2006. All rights reserved. Product data sheet Rev. 04 — 24 April 2006 5 of 15 Philips Semiconductors 74LVT2245; 74LVTH2245 3.3 V octal transceiver with 30 Ω termination resistors; 3-state 7. Functional description 7.1 Function table [1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state. 8. Limiting values [1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed. [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. 9. Recommended operating conditions Table 4. Function table [1] Control Input/output OEn DIR An Bn L L output An = Bn input H input output Bn = An HX Z Z Table 5. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Max Unit VCC supply voltage −0.5 +4.6 V VI input voltage [1] −0.5 +7.0 V VO output voltage output in OFF-state or HIGH-state [1] −0.5 +7.0 V IIK input clamping current VI < 0 V - −50 mA IOK output clamping current VO < 0 V - −50 mA IO output current output in LOW-state - 128 mA output in HIGH-state - −64 mA Tstg storage temperature −65 +150 °C Tj junction temperature [2] - 150 °C Table 6. Recommended operating conditions Symbol Parameter Conditions Min Typ Max Unit VCC supply voltage 2.7 - 3.6 V VI input voltage 0 - 5.5 V VIH HIGH-state input voltage 2.0 - - V VIL LOW-state input voltage - - 0.8 V IOH HIGH-state output current - - −12 mA |
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