M41ST87W datasheet(42/52 Pages) STMICROELECTRONICS

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Maximum ratings

M41ST87Y, M41ST87W

42/52

Doc ID 9497 Rev 8

Maximum ratings

Stressing the device above the rating listed in the absolute maximum ratings table may

cause permanent damage to the device. These are stress ratings only and operation of the

device at these or any other conditions above those indicated in the operating sections of

this specification is not implied. Exposure to absolute maximum rating conditions for

extended periods may affect device reliability. Refer also to the STMicroelectronics SURE

Program and other relevant quality documents.

Table 14.

Absolute maximum ratings

Caution:

Negative undershoots below –0.3 V are not allowed on any pin while in the battery backup

mode.

Symbol

Parameter

Value

Unit

TSTG

Storage temperature (VCC off, oscillator off)

–55 to 125

°C

TSLD

Lead solder temperature for 10 seconds

SSOP20 (SS)

260(1)

Reflow at peak temperature of 260 °C. The time above 255 °C must not exceed 30 seconds.

°C

SOX28 (MX)

240(2)

Reflow at peak temperature of 240 °C. The time above 235°C must not exceed 20 seconds.

°C

VIO

Input or output voltage

–0.3 to VCC+0.3

VCC

Supply voltage

M41ST87Y

–0.3 to 7.0

M41ST87W

–0.3 to 4.6

Output current

Power dissipation

θJA

Thermal resistance, junction to ambient

SSOP20 (SS)

83.0

°C/W

SOX28 (MX)

°C/W

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