STM6321 datasheet(1/26 Pages) STMICROELECTRONICS

部件名	STM6321

功能描述	5-pin Supervisor with watchdog timer and push-button reset

PDF	26 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 26 page

May 2007

Rev 7

1/26

1

STM6321/6322

STM6821/6822/6823/6824/6825

5-pin Supervisor with watchdog timer and push-button reset

Features

■ Precision VCC monitoring of 5, 3.3, 3, or 2.5V

power supplies

■ RST Outputs (active-low, push-pull or open

drain)

■ RST Outputs (active-high, push-pull)

■ Reset pulse width of 1.4ms, 200ms and 240ms

(typ) (a)

■ Watchdog timeout period of 1.6s (typ) (a)

■ Manual reset input (MR)

■ Low supply current - 3µA (typ)

■ Guaranteed RST (RST) assertion down to

VCC = 1.0V

■ Operating temperature: –40 to +85°C

(industrial grade)

■ RoHS Compliance

Lead-free components are compliant with the

RoHS directive.

a.

Other trec and watchdog timings are offered. Minimum order quantities may apply. Contact

local sales office for availability.

SOT23-5 (WY)

Table 1.

Device options

Part number

Watchdog input

Manual reset

input

Reset output

Active-low

(push-pull)

Active-high

(push-pull)

Active-low

(open drain)

STM6321

✔✔

✔

STM6322

✔✔

✔

STM6821

✔✔

✔

STM6822

✔✔

✔

STM6823

✔✔

✔

STM6824

✔✔

✔

STM6825

✔✔✔

www.st.com

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