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74LVT_LVTH16245B 데이터시트(PDF) 9 Page - NXP Semiconductors |
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74LVT_LVTH16245B 데이터시트(HTML) 9 Page - NXP Semiconductors |
9 / 19 page 74LVT_LVTH16245B All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved. Product data sheet Rev. 10 — 1 March 2012 9 of 19 NXP Semiconductors 74LVT16245B; 74LVTH16245B 3.3 V 16-bit transceiver; 3-state [1] Typical values are measured at VCC = 3.3 V and at Tamb = 25 C. [2] Unused pins at VCC or GND. [3] This is the bus hold overdrive current required to force the input to the opposite logic state. [4] This parameter is valid for any VCC between 0 V and 1.2 V with a transition time of up to 10 ms. From VCC = 1.2 V to VCC = 3.3 V 0.3 V a transition time of 100 s is permitted. This parameter is valid for T amb = 25 C only. [5] ICC is measured with outputs pulled to VCC or GND. [6] This is the increase in supply current for each input at the specified voltage level other than VCC or GND. 10. Dynamic characteristics [1] All typical values are at VCC = 3.3 V and Tamb = 25 C. Cio(off) off-state input/output capacitance pins nAn and nBn, outputs disabled; VO = GND or VCC -9 - pF Table 6. Static characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Typ Max Unit Table 7. Dynamic characteristics Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 8. Symbol Parameter Conditions Min Typ[1] Max Unit Tamb = 40 C to +85 C tPLH LOW to HIGH propagation delay nAn to nBn or nBn to nAn; see Figure 6 VCC = 2.7 V - - 3.5 ns VCC = 3.0 V to 3.6 V 1.0 1.9 3.3 ns tPHL HIGH to LOW propagation delay nAn to nBn or nBn to nAn; see Figure 6 VCC = 2.7 V - - 3.5 ns VCC = 3.0 V to 3.6 V 1.0 1.7 3.3 ns tPZH OFF-state to HIGH propagation delay nOE to nAn or nBn; see Figure 7 VCC = 2.7 V - - 5.3 ns VCC = 3.0 V to 3.6 V 1.0 2.8 4.5 ns tPZL OFF-state to LOW propagation delay nOE to nAn or nBn; see Figure 7 VCC = 2.7 V - - 5.1 ns VCC = 3.0 V to 3.6 V 1.0 2.8 4.1 ns tPHZ HIGH to OFF-state propagation delay nOE to nAn or nBn; see Figure 7 VCC = 2.7 V - - 5.7 ns VCC = 3.0 V to 3.6 V 1.5 3.2 5.1 ns tPLZ LOW to OFF-state propagation delay nOE to nAn or nBn; see Figure 7 VCC = 2.7 V - - 4.6 ns VCC = 3.0 V to 3.6 V 1.5 3.0 4.6 ns |
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