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SN74LVC1G06: Current Consumption Higher Than Specified

Part Number: SN74LVC1G06

Hi,

I ordered this part and connected it to a test setup, this setup is very basic and includes only bypass caps, 1Meg pull-up resistor (for Vout), 330K pull-down resistor (for Vin) and this part.

As mentioned in the datasheet the Icc should be max 10uA.

I found out that for some cases when Vin is lower than Vcc I measure current consumption greater than 10uA.

For example, for Vcc=5V and Vin=3.5V (Vout pulled-up to 2.8V) I measured 700uA through the supply!
I noticed that for Vin=3.3V the current is fair for Vcc<4 (less than 1uA) , but for Vcc>4 the current rises drastically.

For Vcc=5.5V and Vin=3.9V I could reach as much as 3.6mA...

Icc even rises in hotter temperatures (could even triple that).

All measurements were done when everything is static with no switching,
and the same results were measured for at lease 5 different chips.

As far as I can see I work within the datasheet recommended voltages.

Please help me solve this.

Thanks,
Guy