STM6823 datasheet(19/28 Pages) STMICROELECTRONICS

Il numero della parte	STM6823

Spiegazioni elettronici	5-pin supervisor with watchdog timer and push-button reset

PDF	28 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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19 / 28 page

STM6321/6322STM6821/6822/6823/6824/6825

DC and AC parameters

19/28

DC and AC parameters

This section summarizes the operating measurement conditions, and the DC and AC

characteristics 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. 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 24.

AC testing input/output waveforms

Figure 25.

MR timing waveform

RST for STM6322/6821/6825.

Figure 26.

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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