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74HC258DB データシート(PDF) 6 Page - NXP Semiconductors |
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74HC258DB データシート(HTML) 6 Page - NXP Semiconductors |
6 / 16 page 1999 Sep 02 6 Philips Semiconductors Product specification Quad 2-input multiplexer; 3-state; inverting 74HC/HCT258 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see chapter “HCMOS family characteristics”, section “Family specifications”. Output capability: bus driver. ICC category: MSI. Note to HCT types The value of additional quiescent supply current ( ∆ICC) for a unit load of 1 is given in the family specifications. To determine ∆ICC per input, multiply this value by the unit load coefficient shown in Table 1. Table 1 AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr =tf = 6 ns; CL =50pF. INPUT UNIT LOAD COEFFICIENT nI0 0.50 nI1 0.50 OE 1.50 S 1.50 SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 25 −40 to +85 −40 to +125 VCC (V) WAVEFORMS MIN. TYP. MAX. MIN. MAX. MIN. MAX. tPHL/tPLH propagation delay; nI0 to nY; nI1 to nY − 16 27 − 34 − 41 ns 4.5 see Fig.6 propagation delay; StonY − 19 34 − 43 − 51 ns 4.5 see Fig.6 tPZH/tPZL 3-state output enable time; OE to nY − 18 30 − 38 − 45 ns 4.5 see Fig.7 tPHZ/tPLZ 3-state output disable time; OE to nY − 17 30 − 38 − 45 ns 4.5 see Fig.7 tTHL/tTLH output transition time − 512 − 15 − 18 ns 4.5 see Fig.6 |
同様の部品番号 - 74HC258DB |
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同様の説明 - 74HC258DB |
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