AT45DB021D_13 datasheet(29/48 Pages) ETC2

29 / 48 page

3638M–DFLASH–5/2013

AT45DB021D

read operations after reprogramming before the contents could potentially be altered. For example, if the Serial

Flash is being used for boot code storage, then it would take 800,000,000 boot operations before that boot code

may become altered, provided that the boot code was not updated or reprogrammed. If an application was to read

the entire memory array non-stop at a clock frequency of 10MHz, it would take over five years to reach

800,000,000 read operations. Adesto firmly believes that this extended testing result should not be a cause for

concern. We also believe that most, if not all, applications will never read the same portion of memory 800,000,000

times throughout the life of the application without ever updating that portion of memory.

16.

Electrical Specifications

Table 16-1.

DC and AC Operating Range

Temperature under Bias..................-55°C to +125°C

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

age to the device. The "Absolute Maximum Rat-

ings" are stress ratings only and functional

operation of the device at these or any other con-

ditions beyond those indicated in the operational

sections of this specification is not implied. Expo-

sure to absolute maximum rating conditions for

extended periods may affect device reliability.

Voltage Extremes referenced in the "Absolute

Maximum Ratings" are intended to accommodate

short duration undershoot/overshoot conditions

and does not imply or guarantee functional

device operation at these levels for any extended

period of time

Storage Temperature ......................-65°C to +150°C

All Input Voltages (except VCC but including NC

pins))

with Respect to Ground.................... -0.6V to +6.25V

All Output Voltages

with Respect to Ground.............. -0.6V to VCC + 0.6V

AT45DB021D

Operating Temperature (Case)

Ind.

-40°C to 85°C

VCC Power Supply

2.7V to 3.6V

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