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74LVC2952ADB Scheda tecnica(PDF) 4 Page - NXP Semiconductors |
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74LVC2952ADB Scheda tecnica(HTML) 4 Page - NXP Semiconductors |
4 / 11 page Philips Semiconductors Product specification 74LVC2952A Octal registered tranceiver with 5-volt tolerant inputs/ouputs (3-State) 1998 Jul 29 4 FUNCTION TABLE for register An or Bn INPUTS INTERNAL OPERATING An or Bn CPnn CEnn Q MODE X X H NC Hold data L ↑ L L Load data H ↑ L H Load data NOTES: H = HIGH voltage level L = LOW voltage level X = don’t care FUNCTION TABLE for output enable INPUTS INTERNAL An or Bn OPERATING MODE OEnn Q n n OUTPUTS OPERATING MODE H X Z Disable outputs L L L Enable outputs L H H Enable outputs Z = high impedance OFF-state ↑ = Low-to-High transition NC = no change RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER CONDITIONS LIMITS UNIT SYMBOL PARAMETER CONDITIONS MIN MAX UNIT VCC DC supply voltage (for max. speed performance) 2.7 3.6 V VCC DC supply voltage (for low-voltage applications) 1.2 3.6 V VI DC input voltage range 0 5.5 V VI/O DC output voltage range; output HIGH or LOW state 0 VCC V VI/O DC input voltage range; output 3-State 0 5.5 V Tamb Operating free-air temperature range –40 +85 °C tr, tf Input rise and fall times VCC = 1.2 to 2.7V VCC = 2.7 to 3.6V 0 0 20 10 ns/V ABSOLUTE MAXIMUM RATINGS1 In accordance with the Absolute Maximum Rating System (IEC 134). Voltages are referenced to GND (ground = 0 V). SYMBOL PARAMETER CONDITIONS RATING UNIT VCC DC supply voltage –0.5 to +6.5 V IIK DC input diode current VI t 0 –50 mA VI DC input voltage Note 2 –0.5 to +6.5 V IOK DC output diode current VO uVCC or VO t 0 "50 mA VI/O DC output voltage; output HIGH or LOW Note 2 –0.5 to VCC +0.5 V VI/O DC output voltage; output 3-State Note 2 –0.5 to 6.5 V IO DC output source or sink current VO = 0 to VCC "50 mA IGND, ICC DC VCC or GND current "100 mA Tstg Storage temperature range –65 to +150 °C Power dissipation per package PTOT – plastic mini-pack (SO) above +70 °C derate linearly with 8 mW/K 500 mW – plastic shrink mini-pack (SSOP and TSSOP) above +60 °C derate linearly with 5.5 mW/K 500 mW 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 input and output voltage ratings may be exceeded if the input and output current ratings are observed. |
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