STM6718 datasheet(1/29 Pages) STMICROELECTRONICS

部件名	STM6718

功能描述	Dual/triple ultra-low voltage supervisors with push-button reset (with delay option)

PDF	29 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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1 / 29 page

December 2007

Rev 6

1/29

1

STM6717/6718/6719/6720

STM6777/6778/6779/6780

Dual/triple ultra-low voltage supervisors

with push-button reset (with delay option)

Features

■ Primary supply (VCC1) monitor. Fixed (factory-

programmed) reset thresholds: 4.63V to 1.58V

■ Secondary supply (VCC2) monitor

(STM6717/18/19/20/77/78).

■ Fixed (factory-programmed) reset thresholds:

3.08V to 0.79V

■ Tertiary supply monitor (using externally

adjustable rstin):

■ 0.626V internal reference

■ RST outputs (push-pull or open drain); state

guaranteed IF VCC1 OR VCC2 ≥ 0.8V

■ Reset delay time (trec) on power-up: 210ms,

900ms (typ)

■ Manual reset input (MR)

■ Optional delayed manual reset input (MRC)

with external capacitor (STM6777/78/79/80)

■ Low supply current - 11µA (typ),

VCC1 = VCC2 = 3.6V

■ Operating temperature: –40°C to 85°C

(industrial grade)

SOT23-5 (WY)

SOT23-6 (WB)

Table 1.

Device summary

Part

number

Monitored voltages

Manual reset

input (MR)

Delayed

MR pin

(MRC)

Reset output (RST)

Package

VCC1

VCC2

RSTIN

Active-low

(push-pull)

Active-low

(open drain)

STM6717

✔✔

✔

WY

STM6718

✔✔

✔

WY

STM6719

✔✔✔

✔

WB

STM6720

✔✔✔

✔

WB

STM6777

✔✔

✔

WB

STM6778

✔✔

✔

WB

STM6779

✔✔

✔

WB

STM6780

✔✔

✔

WB

www.st.com

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类似说明 - STM6718

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