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74HCT4851-Q100 데이터시트(PDF) 7 Page - NXP Semiconductors |
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7 / 21 page 74HC_HCT4851_Q100 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 1 — 2 August 2012 7 of 21 NXP Semiconductors 74HC4851-Q100; 74HCT4851-Q100 8-channel analog multiplexer/demultiplexer with injection-current effect control [1] Typical values are measured at Tamb = 25 C. [2] V O here is the maximum variation of output voltage of an enabled analog channel when current is injected into any disabled channel. [3] ISW = total current injected into all disabled channels. Table 7. Injection current coupling At recommended operating conditions; voltages are referenced to GND (ground 0 V); For test circuit see Figure 9. Symbol Parameter Conditions 74HC4851/Q100 74HCT4851/Q100 Unit Min Typ[1] Max Min Typ[1] Max Tamb = 40 C to +125 C V O output voltage variation I SW 1 mA; RS 3.9 k [2][3] VCC = 3.3 V - 0.05 1 - - - mV VCC = 5.0 V - 0.03 1 - 0.03 1 mV I SW 10 mA; RS 3.9 k VCC = 3.3 V - 0.55 5 - - - mV VCC = 5.0 V - 0.27 5 - 0.27 5 mV I SW 1 mA; RS 20 k VCC = 3.3 V - 0.04 2 - - - mV VCC = 5.0 V - 0.03 2 - 0.03 2 mV I SW 10 mA; RS 20 k VCC = 3.3 V - 0.56 20 - - - mV VCC = 5.0 V - 0.48 20 - 0.48 20 mV Table 8. Static characteristics At recommended operating conditions; voltages are referenced to GND (ground 0 V); 25 C 40 C to +85 C 40 C to +125 C Symbol Parameter Conditions Min Typ Max Min Max Min Max Unit 74HC4851-Q100 VIH HIGH-level input voltage control inputs VCC = 2.0 V 1.5 - - 1.5 - 1.5 - V VCC = 3.0 V 2.1 - - 2.1 - 2.1 - V VCC = 3.3 V 2.3 - - 2.3 - 2.3 - V VCC = 4.5 V 3.15 - - 3.15 - 3.15 - V VCC = 6.0 V 4.2 - - 4.2 - 4.2 - V VIL LOW-level input voltage control inputs VCC = 2.0 V - - 0.5 - 0.5 - 0.5 V VCC = 3.0 V - - 0.9 - 0.9 - 0.9 V VCC = 3.3 V - - 1.0 - 1.0 - 1.0 V VCC = 4.5 V - - 1.35 - 1.35 - 1.35 V VCC = 6.0 V - - 1.8 - 1.8 - 1.8 V II input leakage current control inputs; VI =GND or VCC VCC = 6.0 V - - 0.1 - 0.1 - 1.0 A |
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