M41T00S datasheet(18/23 Pages) STMICROELECTRONICS

部件名	M41T00S

功能描述	Serial Access Real-Time Clock

PDF	23 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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M41T00S

18/23

Figure 14. Power Down/Up Mode AC Waveforms

Table 9. Power Down/Up AC Characteristics

Note: 1. VCC fall time should not exceed 5mV/µs.

2. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.7 to 5.5V (except where noted).

Table 10. Power Down/Up Trip Points DC Characteristics

Note: 1. All voltages referenced to VSS.

2. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.7 to 5.5V (except where noted).

Symbol

Parameter(1,2)

Min

Typ

Max

Unit

tPD

SCL and SDA at VIH before Power Down

0nS

trec

SCL and SDA at VIH after Power Up

µS

Sym

Parameter(1,2)

Min

Typ

Max

Unit

VPFD

Power-fail Deselect

2.5

2.6

2.7

Hysteresis

VSO

Battery Back-up Switchover Voltage

(VCC < VBAT; VCC < VPFD)

VBAT < VPFD

VBAT

VBAT > VPFD

VPFD

Hysteresis

AI00596

VCC

trec

tPD

VSO

SDA

SCL

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