RV-3049 datasheet(54/65 Pages) MICROCRYSTAL

tên linh kiện	RV-3049

Giải thích chi tiết về linh kiện	DTCXO Temperature Compensated Real Time Clock

PDF	65 Pages

Scroll/Zoom	100%

nhà sản xuất	MICROCRYSTAL [MICORO CRYSTAL SWITZERLAND]

Trang chủ	http://www.microcrystal.com

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54 / 65 page

Micro Crystal

DTCXO Temperature Compensated Real Time Clock / Calendar Module

RV-3049

54/65

PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNIT

EEPROM Characteristics

Read voltage

VRead

Tamb = -40°C to +125°C

1.4

Programming voltage

VProg

Tamb = -40°C to +125°C

2.2

EEPROM Programming Time

TProg

Tamb = -40°C to +125°C

1 Byte EEPROM User

EEPROM Programming Time

TProg

Tamb = -40°C to +125°C

1 Byte EEPROM Control

100

EEPROM Programming Time

TProg

Tamb = -40°C to +125°C

2-4 Byte EEPROM Control

135

EEPROM write / erase cycles

VHYST

VDD to VBACK = 3.0 V

5000

Cycles

Trickle charger

Current limiting resistors

VDD = 5.0V

VBACK = 3.0V

R80k

Tamb = 25°C

kΏ

R20k

Tamb = 25°C

R5k

Tamb = 25°C

R1.5k

Tamb = 25°C

1.5

Thermometer

Thermometer precision

Tamb = -40°C to +85°C

+/-4

°C

Tamb = -40°C to +125°C

+/-6

7.4. SPI INTERFACE TIMING CHARACTERISTICS

tSU;(CE)

20%

80%

tSCL

tclk(H)

tclk(L)

th(CE)

trec(CE)

tdis(SDO)

td(R)SDO

td(SDI-SDO)

Hi Z

tSU;DAT

tHD;DAT

R/W

SA2

RA0

tw(CE)

SCL

SDI

SDO

SDI

SDO

READ

WRITE

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