ST6215 datasheet(64/105 Pages) STMICROELECTRONICS

64 / 105 page

ST6215C/ST6225C

64/105

11.2 ABSOLUTE MAXIMUM RATINGS

Stresses above those listed as “absolute maxi-

mum ratings” may cause permanent damage to

the device. This is a stress rating only and func-

tional operation of the device under these condi-

tions is not implied. Exposure to maximum rating

conditions for extended periods may affect device

reliability.

11.2.1 Voltage Characteristics

11.2.2 Current Characteristics

11.2.3 Thermal Characteristics

Notes:

1. Directly connecting the RESET and I/O pins to VDD or VSS could damage the device if an unintentional internal reset

is generated or an unexpected change of the I/O configuration occurs (for example, due to a corrupted program coun-

ter). To guarantee safe operation, this connection has to be done through a pull-up or pull-down resistor (typical: 4.7k

Ω

for RESET, 10k

Ω for I/Os). Unused I/O pins must be tied in the same way to V

DD or VSS according to their reset con-

figuration.

2. When the current limitation is not possible, the VIN absolute maximum rating must be respected, otherwise refer to

IINJ(PIN) specification. A positive injection is induced by VIN>VDD while a negative injection is induced by VIN<VSS.

3. Power (VDD) and ground (VSS) lines must always be connected to the external supply.

4. Negative injection disturbs the analog performance of the device. In particular, it induces leakage currents throughout

the device including the analog inputs. To avoid undesirable effects on the analog functions, care must be taken:

- Analog input pins must have a negative injection less than 1mA (assuming that the impedance of the analog voltage

is lower than the specified limits).

- Pure digital pins must have a negative injection less than 1mA. In addition, it is recommended to inject the current as

far as possible from the analog input pins.

Symbol

Ratings

Maximum value

Unit

VDD - VSS

Supply voltage

VIN

Input voltage on any pin 1) & 2)

VSS-0.3 to VDD+0.3

VOUT

Output voltage on any pin 1) & 2)

VSS-0.3 to VDD+0.3

VESD(HBM)

Electro-static discharge voltage (Human Body Model)

3500

Symbol

Ratings

Maximum value

Unit

IVDD

Total current into VDD power lines (source)

IVSS

Total current out of VSS ground lines (sink)

100

IIO

Output current sunk by any standard I/O and control pin

Output current sunk by any high sink I/O pin

Output current source by any I/Os and control pin

IINJ(PIN)

2) & 4)

Injected current on RESET pin

±5

Injected current on any other pin

±5

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

-60 to +150

°C

Maximum junction temperature

(see THERMAL CHARACTERISTICS section)

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