M41T50 datasheet(17/23 Pages) STMICROELECTRONICS

부품명	M41T50

상세설명	Serial Access Digital Input Real-Time Clock with Alarms

PDF	23 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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M41T50

Table 9. DC Characteristics

Note: 1. Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 1.7V to 3.6V (except where noted).

2. CLKIN pin = VSS or VCC.

Symb

Parameter

Test Condition(1)

Min

Typ

Max

Unit

VCC

Operating Voltage

Clock

1.3

3.6

I2C bus (400kHz)

1.7

3.6

ICC1

Supply Current

SCL = 400kHz

(No load)

VCC = 3.6V

400

µA

VCC = 3.0V

350

µA

VCC = 2.5V

300

µA

VCC = 2.0V

250

µA

ICC2

Supply Current (standby)

SCL = 0Hz

All inputs(2)

≥ VCC – 0.2V

≤ VSS + 0.2V

SQW On

(Open Drain)

3.6V

1.3

µA

3.0V

1.2

µA

2.0V

0.9

µA

SQW Off

3.6V

0.7

µA

3.0V

0.65

µA

2.0V

0.6

µA

VIL

Input Low Voltage

–0.2

0.3VCC

VIH

Input High Voltage

0.9VCC

VCC+0.2

VOL

Output Low Voltage

VCC = 3.6V, IOL = 3.0mA (SDA)

0.4

VCC = 3.6V, IOL = 1.0mA (IRQ/OUT, SQW)

0.4

VOH

Output High Voltage

VCC = 3.6V, IOH = –1.0mA (Push-Pull only)

2.4

Pull-up Supply Voltage

(Open Drain)

IRQ/OUT, SQW (1Hz)

3.6

ILI

Input Leakage Current

≤ VIN ≤ VCC(2)

±1

µA

ILO

Output Leakage Current

≤ VOUT ≤ VCC

±1

µA

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