M41T00CAPPC1 データシートの表示（PDF） - STMicroelectronics

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M41T00CAPPC1

Serial access real-time clock (RTC) with integral backup battery and crystal

STMicroelectronics 

M41T00CAP

DC and AC parameters

Table 9. Power down/up trip points DC characteristics

Sym

Parameter (1)(2)

Min

Typ

Power-fail deselect

VPFD

Hysteresis

2.5

2.6

25

Battery backup switchover voltage

VSO

VBAT < VPFD

VBAT > VPFD

VBAT

VPFD

Hysteresis

tDR (3) Expected data retention time

40

10

1. All voltages referenced to VSS.

2. Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 2.7 to 5.5 V (except where noted).

3. TA = 25°C, VCC = 0 V, oscillator on.

Max

2.7

Figure 14. Bus timing requirements sequence

Unit

V

mV

V

V

mV

Years

SDA

tBUF

SCL

P

tHD:STA

tR

tF

tHIGH

S

tLOW

tSU:DAT

tHD:DAT

tHD:STA

tSU:STA

Sr

tSU:STO

P

AI00589

Doc ID 14557 Rev 5

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