STM8S207MB datasheet(54/103 Pages) STMICROELECTRONICS

54 / 103 page

Electrical characteristics

STM8S207xx, STM8S208xx

54/103

Doc ID 14733 Rev 12

Table 16.

Current characteristics

Symbol

Ratings

Max.(1)

Data based on characterization results, not tested in production.

Unit

IVDD

Total current into VDD power lines (source)

(2)

All power (VDD, VDDIO, VDDA) and ground (VSS, VSSIO, VSSA) pins must always be connected to the

external supply.

IVSS

Total current out of VSS ground lines (sink)

(2)

IIO

Output current sunk by any I/O and control pin

Output current source by any I/Os and control pin

ΣIIO

Total output current sourced (sum of all I/O and control pins)

for devices with two VDDIO pins

(3)

I/O pins used simultaneously for high current source/sink must be uniformly spaced around the package

between the VDDIO/VSSIO pins.

200

Total output current sourced (sum of all I/O and control pins)

for devices with one VDDIO pin

(3)

100

Total output current sunk (sum of all I/O and control pins) for

devices with two VSSIO pins

(3)

160

Total output current sunk (sum of all I/O and control pins) for

devices with one VSSIO pin

(3)

IINJ(PIN)

(4)(5)

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

Negative injection disturbs the analog performance of the device. See note in Section 10.3.10: 10-bit ADC

characteristics on page 82.

Injected current on NRST pin

±4

Injected current on OSCIN pin

±4

Injected current on any other pin(6)

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

ΣIINJ(PIN) is the absolute sum of the

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

characterization with

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

±4

ΣIINJ(PIN)(4)

Total injected current (sum of all I/O and control pins)(6)

±20

Table 17.

Thermal characteristics

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

-65 to 150

°C

Maximum junction temperature

150

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