DS1305E 查看數據表（PDF） - Maxim Integrated

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产品描述 (功能)

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DS1305E

64 X 8 Serial Real Time Clock

Maxim Integrated 

DS1305

DC ELECTRICAL CHARACTERISTICS

(Over the operating range, unless otherwise specified.)

PARAMETER

SYMBOL

MIN

Input Leakage

Output Leakage

Logic 0

Output

Logic 1

Output

IOL= 1.5mA

IOL = 4.0mA

IOH = -0.4mA

IOH = -1.0mA

VCC1 Active Supply Current

VCC1 Timekeeping Current

(Osc on)

VCC1 Standby Current

(Osc off)

VCC2 Active Supply Current

VCC2 Timekeeping Current

(Osc on)

VCC2 Standby Current

(Osc off)

Battery Timekeeping Current

Battery Standby Current

ILI

ILO

VOL

VOH

ICC1A

ICC1T

ICC1S

ICC2A

ICC2T

ICC2S

IBAT

IBATS

VCC = 2.0V

VCC = 5V

VCCIF = 2.0V

VCCIF = 5V

VCC1 = 2.0V

VCC1 = 5V

VCC1 = 2.0V

VCC1 = 5V

VCC1 = 2.0V

VCC1 = 5V

VCC2 = 2.0V

VCC2 = 5V

VCC2 = 2.0V

VCC2 = 5V

VCC2 = 2.0V

VCC2 = 5V

VBAT = 3V

VBAT = 3V

-100

-1

1.6

2.4

VCC Trip Point

VCCTP

VBAT - 50

R1

Trickle Charge Resistors

R2

R3

Trickle Charge Diode

Voltage Drop

VTD

TYP

2

4

8

0.7

MAX

+500

1

0.4

0.4

0.425

1.28

25.3

81

25

80

0.4

1.2

0.3

1

200

200

400

200

VBAT +

200

UNITS

µA

µA

V

NOTES

V

mA

2, 8

μA

1, 8, 12

μA

6, 8, 12

mA

2, 9

µA

1, 9, 12

nA

6, 9, 12

nA

10, 12

nA

10, 12

mV

k

V

CAPACITANCE

(TA = +25C)

PARAMETER

Input Capacitance

Output Capacitance

SYMBOL

CI

CO

MIN

TYP

10

15

MAX

UNITS

pF

pF

NOTES

16 of 22

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