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74AHCT245 Datenblatt(PDF) 8 Page - NXP Semiconductors |
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74AHCT245 Datenblatt(HTML) 8 Page - NXP Semiconductors |
8 / 20 page 1999 Sep 28 8 Philips Semiconductors Product specification Octal bus transceiver; 3-state 74AHC245; 74AHCT245 AC CHARACTERISTICS Type 74AHC245 GND = 0 V; tr =tf ≤ 3.0 ns. SYMBOL PARAMETER TEST CONDITIONS Tamb (°C) UNIT WAVEFORMS CL 25 −40 to +85 −40 to +125 MIN. TYP. MAX. MIN. MAX. MIN. MAX. VCC = 3.0 to 3.6 V; note 1 tPHL/tPLH propagation delay An to Bn; Bn to An see Figs 4 and 6 15 pF − 5.0 8.4 1.0 10.0 1.0 10.5 ns tPZL/tPZH propagation delay OE to An; OE to Bn; signal name DIR see Figs 5 and 6 − 6.5 13.2 1.0 15.5 1.0 16.5 ns tPLZ/tPHZ propagation delay OE to An; OE to Bn; signal name DIR − 7.5 12.5 1.0 15.5 1.0 16.0 ns tPHL/tPLH propagation delay An to Bn; Bn to An see Figs 4 and 6 50 pF − 6.5 11.9 1.0 13.5 1.0 15.0 ns tPZL/tPZH propagation delay OE to An; OE to Bn; signal name DIR see Figs 5 and 6 − 9.0 16.7 1.0 19.0 1.0 21.0 ns tPLZ/tPHZ propagation delay OE to An; OE to Bn; signal name DIR − 10.0 15.8 1.0 18.0 1.0 20.0 ns |
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Ähnliche Beschreibung - 74AHCT245 |
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