R2023K datasheet(4/50 Pages) RICOH

tên linh kiện	R2023K

Giải thích chi tiết về linh kiện	2-wire Serial Interface Real Time Clock IC

PDF	50 Pages

Scroll/Zoom	100%

nhà sản xuất	RICOH [RICOH electronics devices division]

Trang chủ	http://www.ricoh.com

Logo

4 / 50 page

R2023K/T

ABSOLUTE MAXIMUM RATINGS

(VSS=0V)

Symbol

Item

Pin Name

Description

Unit

VDD

Supply Voltage

VDD

-0.3 to +6.5

Input Voltage 1

SCL, SDA, CLKC

-0.3 to +6.5

Output Voltage 1

SDA, INTRA , INTRB

-0.3 to +6.5

Output Voltage 2

32KOUT

-0.3 to VDD + 0.3

Power Dissipation

Topt = 25

°C

300

Topt

Operating Temperature

-40 to +85

°C

Tstg

Storage Temperature

-55 to +125

°C

RECOMMENDED OPERATING CONDITIONS

(VSS=0V, Topt=-40 to +85

°C)

Symbol

Item

Pin Name

Min,

Typ.

Max.

Unit

Vaccess

Supply Voltage

Power supply voltage

for interfacing

with CPU

1.7

*1)

5.5

VCLK

Time keeping Voltage

CGout,CDout=0pF

*1), *2)

1.00

5.50

VCLKL

Minimum Time keeping

Voltage

CGout,CDout=0pF

*1), *2)

0.66

1.00

fXT

Oscillation Frequency

32.768

kHz

VPUP

Pull-up Voltage

INTRA , INTRB ,

SCL, SDA

5.5

*1) CGout is connected between OSCIN and VSS, CDout is connected between OSCOUT and VSS.

R2023K/T incorporates the capacitors between OSCIN and VSS, between OSCOUT and VSS.

Then normally, CGout and CDout are not necessary.

For more detail, see “P.30

•Adjustment of oscillation

frequency”

*2) Crystal oscillator: CL=6-9pF, R1=50K

Ω

R2023K bảng dữ liệu(PDF) 4 Page - RICOH electronics devices division

R2023K bảng dữ liệu(HTML) 4 Page - RICOH electronics devices division

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

bảng dữ liệu tải về

Link URL