STR710FZ2 datasheet(36/80 Pages) STMICROELECTRONICS

36 / 80 page

Electrical parameters

STR71xFxx STR710RZ

36/80

Doc ID 10350 Rev 13

The 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>V33 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. Data based on TA = 25 °C.

All 3.3V power (V33, AVDD, V33IO-PLL) and ground (VSS, AVSS, VSSIO-PLL) pins must always

be connected to the external 3.3V supply.

Negative injection disturbs the analog performance of the device. See note in

Section 4.3.11: ADC characteristics on page 66.

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.

Only when using external 1.8V power supply. All the power (V18, V18BKP) and ground

(VSS18, VSSBKP) pins must always be connected to the external 1.8V supply.

Table 9.

Current characteristics

Symbol

Ratings

Max.

Unit

IV33

Total current into V33/V33IO-PLL power lines (source)

150

IVSS

Total current out of VSS/VSSIO-PLL ground lines (sink)

150

IIO

Output current sunk by any I/O and control pin

Output current source by any I/Os and control pin

- 25

IINJ(PIN)

1) 3)

Injected current on RSTIN pin

± 5

Injected current on CK pin

± 5

Injected current on any other pin 4)

± 5

ΣIINJ(PIN) 1)

Total injected current (sum of all I/O and control pins) 4)

± 25

Table 10.

Thermal characteristics

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

-65 to +150

°C

Maximum junction temperature (see Section 5.2: Thermal characteristics on

page 73)

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