DS1302N 데이터 시트보기 (PDF) - Maxim Integrated

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DS1302N

Trickle-Charge Timekeeping Chip

Maxim Integrated 

Figure 1. Block Diagram

vCC1

vCC2

GND

POWER

CONTROL

DS1302

CE

I/O

SCLK

INPUT SHIFT

REGISTERS

COMMAND AND

CONTROL LOGIC

X2

X1

CL

CL

1Hz

REAL TIME

CLOCK

31 X 8 RAM

DS1302 Trickle-Charge Timekeeping Chip

TYPICAL OPERATING CHARACTERISTICS

(VCC = 3.3V, TA = +25°C, unless otherwise noted.)

ICC1T vs. VCC1T

400

350

300

250

200

150

100

2.0

3.0 VCC1 (V) 4.0

5.0

ICC2T vs. VCC2T

30

25

20

15

10

5

2.0

3.0 VCC2 (V) 4.0

5.0

3 of 13

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