SN74LV1T34DCKR

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1. Description

The SN74LV1T34DCKR device is a low voltage CMOS gate logic that operates at a wider voltage range for industrial, portable, and telecom applications. The output level is referenced to the supply voltage and is able to support 1.8-V, 2.5-V, 3.3-V, and 5-V CMOS levels. The input is designed with a lower threshold circuit to match 1.8 V input logic at VCC = 3.3 V and can be used in 1.8 V to 3.3 V level up translation. In addition, the 5 V tolerant input pins enable down translation (that is, 3.3 V to 2.5 V output at VCC = 2.5 V). The wide VCC range of 1.8 V to 5.5 V allows generation of desired output levels to connect to controllers or processors. The SN74LV1T34 device is designed with currentdrive capability of 8 mA to reduce line reflections, overshoot, and undershoot caused by high-drive outputs.

2. Features

    1. Latch-Up Performance Exceeds 250 mA Per JESD 17

    2. ESD Performance Tested Per JESD 22

        – 2000-V Human-Body Model (A114-B, Class II)

        – 200-V Machine Model (A115-A)

        – 1000-V Charged-Device Model (C101)

    3. Single-Supply Voltage Translator at 5-V, 3.3-V, 2.5-V, and 1.8-V VCC

    4. Operating Range of 1.65 V to 5.5 V

    5. Up Translation

        – 1.2 V(1) to 1.8 V at 1.8-V VCC

        – 1.5 V(1) to 2.5 V at 2.5-V VCC

        – 1.8 V(1) to 3.3 V at 3.3-V VCC

        – 3.3 V to 5.0 V at 5.0-V VCC

    6. Down Translation

        – 3.3 V to 1.8 V at 1.8-V VCC

        – 3.3 V to 2.5 V at 2.5-V VCC

        – 5 V to 3.3 V at 3.3-V VCC

    7. Logic Output is Referenced to VCC

    8. Output Drive

        – 8 mA Output Drive at 5.0 V

        – 7 mA Output Drive at 3.3 V

        – 3 mA Output Drive at 1.8 V

    9. Characterized up to 50 MHz at 3.3 V VCC

  10. 5-V Tolerance on Input Pins

  11. –40°C to +125°C Operating Temperature Range

  12. Supports Standard Logic Pinouts

  13. CMOS Output Backward Compatible With AUP1G and LVC1G Families

3. Applications

    1. Industrial Controllers

    2. Telecom

    3. Portable Applications

    4. Servers

    5. PC and Notebooks

4. Pin Configuration 

5. Pin Functions