DS1302SN View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated

Part Name

Description

Manufacturer

DS1302SN

Trickle-Charge Timekeeping Chip

Dallas Semiconductor -> Maxim Integrated 

Figure 1. Block Diagram

v CC1

vCC 2

GND

I/O

POWER

CONTROL

INPUT

SHIFT

REGISTERS

SCLK

CE

DS1302 Trickle-Charge Timekeeping Chip

DS1302

COMMAND AND

CONTROL LOGIC

X1

X2

OSCILLATOR

AND

COUNTDOWN

CHAIN

1Hz

REAL-TIME

CLOCK

31 x 8 RAM

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 16

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