STM8TL53X4 datasheet(45/84 Pages) STMICROELECTRONICS

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STM8TL52x4 STM8TL53x4

Electrical parameters

9.3

Operating conditions

Subject to general operating conditions for VDD and TA.

9.3.1

General operating conditions

Table 14. Current characteristics

Symbol

Ratings

Max.

Unit

IVDD

Total current into VDD power line (source)

IVSS

Total current out of VSS ground line (sink)

IIO

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

Output current source by any I/Os and control pin

25

IINJ(PIN)(1)

1. IINJ(PIN) must never be exceeded. This is implicitly insured if VIN maximum is respected. If VIN maximum

cannot be respected, the injection current must be limited externally to the IINJ(PIN) value. A positive

injection is induced by VIN>VDD while a negative injection is induced by VIN<VSS. For true open-drain pads,

there is no positive injection current, and the corresponding VIN maximum must always be respected.

Injected current on PA pins(2)

2. When several inputs are submitted to a current injection, the maximum

IINJ(PIN) is the absolute sum of the

positive and negative injected currents (instantaneous values). These results are based on characterization

with

IINJ(PIN) maximum current injection on four I/O port pins of the device.

±5

IINJ(PIN)

Injected current on PB pins

IINJ(PIN)

Injected current on PD pins

IINJ(PIN)(1)

Total injected current (sum of all I/O and control pins)(2)

±25

Table 15. Thermal characteristics

Symbol

Ratings

Min

Unit

TSTG

Storage temperature range

65 to +150

° C

Maximum junction temperature

150

Table 16. General operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

fMASTER(1)

1. fMASTER = fCPU.

Master clock frequency

1.65 V

VDD < 3.6 V

MHz

VDD

Standard operating voltage

1.65

3.6

PD(2)

2. To calculate PDmax(TA) use the formula given in thermal characteristics PDmax=(TJmax TA)/JA with TJmax

in this table and



JA in table “Thermal characteristics”.

Power dissipation at TA= 85

°C for suffix 2 devices

UQFPN48

625

UQFPN28

250

TSSOP20

180

Temperature range

1.65 V

VDD 3.6 V

40

°C

Junction temperature range

40 °C TA  85 °C

40

105

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