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Original question:

LMKDB1120: Mid voltage level at address pins

LMKDB1120: power down tolerant

Naizeng Wang
Expert 5480 points
Part Number: LMKDB1120
Other Parts Discussed in Thread: LMKDB1113, LMKDB1112, LMKDB1108, LMKDB1104, LMKDB1102

Tool/software:

Hi team, 

For below buffer, which can support power down tolerant? PDT stands for power down tolerance, which is usually added to input pins. When the IC is powered off and voltage is applied to these input pins, the buffer will not be affected.

CDCDB2000NPPR
CDCDB803ERSLR
CDCDB803RSLR
LMKDB1113
LMKDB1112
LMKDB1108
LMKDB1104
LMKDB1102

  • +1
    TI__Genius 9070 points

    Hi Naizeng,

    The LMKDB1112 and LMKDB1113 have not been released yet. However, the others are power down tolerant (the LMKDB1112 and LMKDB1113 should be when they release, too). Furthermore, they each feature a PWRGD/PWRDN# pin, which will hold the device in a power down state until a low-to-high (although wiring the pin high upon device power up will make the device functional), and can return the device to a power down state upon a future low-to-high transition. 

    Thanks,

    Michael