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74AVCH1T45 Datenblatt(PDF) 3 Page - NXP Semiconductors |
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74AVCH1T45 Datenblatt(HTML) 3 Page - NXP Semiconductors |
3 / 22 page 74AVCH1T45_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 5 May 2009 3 of 22 NXP Semiconductors 74AVCH1T45 Dual supply translating transceiver; 3-state 6. Pinning information 6.1 Pinning 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. [2] The input circuit of the data I/O is always active. [3] The DIR input circuit is referenced to VCC(A). [4] If at least one of VCC(A) or VCC(B) is at GND level, the device goes into Suspend mode. Fig 3. Pin configuration SOT363 Fig 4. Pin configuration SOT886 74AVCH1T45 VCC(A) VCC(B) GND AB 001aag887 1 2 3 6 DIR 5 4 74AVCH1T45 GND 001aag888 VCC(A) A DIR VCC(B) B Transparent top view 2 3 1 5 4 6 Table 3. Pin description Symbol Pin Description VCC(A) 1 supply voltage port A and DIR GND 2 ground (0 V) A 3 data input or output B 4 data input or output DIR 5 direction control VCC(B) 6 supply voltage port B Table 4. Function table[1] Supply voltage Input Input/output[2] VCC(A), VCC(B) DIR[3] A B 0.8 V to 3.6 V L A = B input 0.8 V to 3.6 V H input B = A GND[4] XZ Z |
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