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74HC_HCT253 датащи(PDF) 4 Page - NXP Semiconductors |
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74HC_HCT253 датащи(HTML) 4 Page - NXP Semiconductors |
4 / 17 page 74HC_HCT253 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 5 — 21 January 2015 4 of 17 NXP Semiconductors 74HC253; 74HCT253 Dual 4-input multiplexer; 3-state 6.2 Pin description 7. Functional description [1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state. 8. Limiting values Table 2. Pin description Symbol Pin Description 1OE, 2OE 1, 15 output enable inputs (active LOW) S0, S1 14, 2 data select inputs 1I0, 1I1, 1I2, 1I3 6, 5, 4, 3 data inputs source 1 1Y 7 multiplexer output source 1 GND 8 ground (0 V) 2Y 9 multiplexer output source 2 2I0, 2I1, 2I2, 2I3 10, 11, 12, 13 data inputs source 2 VCC 16 supply voltage Table 3. Function table[1] select Inputs data inputs output enable output S0 S1 nI0 nI1 nI2 nI3 nOE nY X X XXXXH Z L L L XXXL L L L H XXXL H H L XL XXL L H L XH XXL H L H XXL XL L L H XXH XL H H H XXXL L L H H XXXH L H Table 4. 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 +7.0 V IIK input clamping current VI < 0.5 V or VI >VCC +0.5 V [1] - 20 mA IOK output clamping current VO < 0.5 V or VO >VCC +0.5 V [1] - 50 mA IO output current 0.5 V < V O < VCC +0.5 V - 35 mA ICC supply current - 70 mA IGND ground current 70 - mA Tstg storage temperature 65 +150 C |
Аналогичный номер детали - 74HC_HCT253_15 |
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Аналогичное описание - 74HC_HCT253_15 |
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