STM6522 datasheet(15/25 Pages) STMICROELECTRONICS

部件名	STM6522

功能描述	Dual push-button Smart Reset??with capacitor-adjustable setup delay

PDF	25 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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15 / 25 page

STM6522

DC and AC parameters

Doc ID 17045 Rev 2

15/25

Table 5.

DC and AC characteristics

Symbol

Parameter

Test conditions(1)

Min.

Typ.(2)

Max.

Unit

VCC

Supply voltage range

1.65

5.5

ICC

Supply current

VCC = 5.0 V

µA

VCC = 3.0 V

1.5

µA

VOL

Reset output voltage low

(active-low reset asserted)

VCC ≥ 4.5 V, sinking 3.2 mA

0.3

VCC ≥ 3.3 V, sinking 2.5 mA

0.3

VCC ≥ 1.65 V, sinking 1 mA

0.3

tREC

Reset timeout delay, factory

programmed

140

210

280

Smart Reset™ inputs

VIL

SR0, SR1 input voltage low

VSS – 0.3

0.3

VIH

SR0, SR1 input voltage high

0.85

5.5

ILI(SR)

Input leakage current,

SRx input

–1

µA

Smart Reset™ delay

tSRC

(3)

Delayed Smart Reset™

setup time. Refer to Table 2.

TA = 25 °C

10 x CSRC

(µF)

12.5 x CSRC

(µF)

15 x CSRC

(µF)

Valid for ambient operating temperature: TA = –40 to +85 °C; VCC = 1.65 to 5.5 V (except where noted).

Typical value is at 25 °C and VCC = 3.3 V unless otherwise noted.

Input glitch immunity is equal to tSRC (when both SR inputs are low, otherwise infinite).

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