NXP Semiconductors
74LVC1T45; 74LVCH1T45
Dual supply translating transceiver; 3-state
© NXP B.V. 2012. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 6 August 2012
Document identifier: 74LVC_LVCH1T45
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
20. Contents
1 General description. . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information. . . . . . . . . . . . . . . . . . . . . 2
4 Marking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 3
6 Pinning information. . . . . . . . . . . . . . . . . . . . . . 3
6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
7 Functional description . . . . . . . . . . . . . . . . . . . 4
8 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 4
9 Recommended operating conditions. . . . . . . . 4
10 Static characteristics. . . . . . . . . . . . . . . . . . . . . 5
11 Dynamic characteristics . . . . . . . . . . . . . . . . . . 9
12 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
13 Typical propagation delay characteristics . . 16
14 Application information. . . . . . . . . . . . . . . . . . 22
14.1 Unidirectional logic level-shifting application . 22
14.2 Bidirectional logic level-shifting application. . . 23
14.3 Power-up considerations . . . . . . . . . . . . . . . . 24
14.4 Enable times. . . . . . . . . . . . . . . . . . . . . . . . . . 24
15 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 25
16 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 30
17 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 30
18 Legal information. . . . . . . . . . . . . . . . . . . . . . . 31
18.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 31
18.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
18.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 31
18.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 32
19 Contact information. . . . . . . . . . . . . . . . . . . . . 32
20 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
