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74LVCH16245ABQ Datasheet(PDF) 9 Page - NXP Semiconductors |
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74LVCH16245ABQ Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 19 page 74LVC_LVCH16245A_8 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 08 — 6 November 2008 9 of 19 NXP Semiconductors 74LVC16245A; 74LVCH16245A 16-bit bus transceiver with direction pin; 5 V tolerant; 3-state [1] All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb =25 °C. [2] The bus hold circuit is switched off when VI >VCC allowing 5.5 V on the input terminal. [3] For I/O ports the parameter IOZ includes the input leakage current. [4] Valid for data inputs of bus hold parts only (74LVCH16245A). Note that control inputs do not have a bus hold circuit. [5] The specified sustaining current at the data input holds the input below the specified VI level. [6] The specified overdrive current at the data input forces the data input to the opposite input state. 10. Dynamic characteristics IBHHO bus hold overdrive current HIGH VCC = 3.6 V [4][6] −500 - - −500 - µA Table 6. Static characteristics …continued At recommended operating conditions. Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max Table 7. Dynamic characteristics Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 9. Symbol Parameter Conditions −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max tpd propagation delay nAn to nBn; nBn to nAn; see Figure 7 [1] VCC = 1.2 V - 13.0 - - - ns VCC = 2.7 V 1.0 2.7 4.7 1.0 6.0 ns VCC = 3.0 V to 3.6 V [2] 1.0 2.2 4.5 1.0 6.0 ns ten enable time nOE to nAn, nBn; see Figure 8 [1] VCC = 1.2 V - 15.0 - - - ns VCC = 2.7 V 1.5 3.6 6.7 1.5 8.5 ns VCC = 3.0 V to 3.6 V [2] 1.0 2.8 5.5 1.0 7.0 ns tdis disable time nOE to nAn, nBn; see Figure 8 [1] VCC = 1.2 V - 11.0 - - - ns VCC = 2.7 V 1.5 3.4 6.6 1.5 8.5 ns VCC = 3.0 V to 3.6 V [2] 1.5 3.2 5.6 1.5 7.0 ns |
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