STM6321 datasheet(15/21 Pages) STMICROELECTRONICS

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STM6321/6322/6821/6822/6823/6824/6825

DC AND AC PARAMETERS

This section summarizes the operating measure-

ment conditions, and the DC and AC characteris-

tics of the device. The parameters in the DC and

AC characteristics Tables that follow, are derived

from tests performed under the Measurement

Conditions summarized in Table 5., Operating and

AC Measurement Conditions. Designers should

check that the operating conditions in their circuit

match the operating conditions when relying on

the quoted parameters.

Table 5. Operating and AC Measurement Conditions

Figure 21. AC Testing Input/Output Waveforms

Figure 22. MR Timing Waveform

Note: 1. RST for STM6322/6821/6825.

Figure 23. Watchdog Timing

Parameter

STM6xxx

Unit

VCC Supply Voltage

1.0 to 5.5

Ambient Operating Temperature (TA)

–40 to 85

°C

Input Rise and Fall Times

≤ 5ns

Input Pulse Voltages

0.2 to 0.8VCC

Input and Output Timing Ref. Voltages

0.3 to 0.7VCC

AI02568

0.8VCC

0.2VCC

0.7VCC

0.3VCC

AI07837a

RST

(1)

tMLRL

trec

tMLMH

AI09136

RST

WDI

VCC

trec

tWD

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