M48Z08(2010) 查看數據表（PDF） - STMicroelectronics

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M48Z08
(Rev.:2010)

5 V, 64 Kbit (8 Kb x 8) ZEROPOWER® SRAM

STMicroelectronics 

Maximum ratings

3

Maximum ratings

M48Z08, M48Z18

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.

Caution:

Table 5. Absolute maximum ratings

Symbol

Parameter

Value

Unit

TA

TSTG

TSLD(1)

VIO

VCC

IO

PD

Ambient operating temperature

Storage temperature (VCC off, oscillator off)

Lead solder temperature for 10 seconds

Input or output voltages

Supply voltage

Output current

Power dissipation

0 to 70

°C

–40 to 85

°C

260

°C

–0.3 to 7

V

–0.3 to 7

V

20

mA

1

W

1. Soldering temperature of the IC leads is to not exceed 260 °C for 10 seconds. In order to protect the lithium

battery, preheat temperatures must be limited such that the battery temperature does not exceed +85 °C.

Furthermore, the devices shall not be exposed to IR reflow.

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

mode.

12/20

Doc ID 2424 Rev 7

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