Real Time Clock

RV8564C2

Tel:

+44 1460 256 100

Fax:

+44 1460 256 101

E-mail:

sales@golledge.com

Web:

www.golledge.com

11 Mar 2005

Features

ACTUAL SIZE

1.20

(max)

5.20

(max)

3.40

(max)

SOLDER PAD LAYOUT

TOP VIEW

2.20

0.60

1.00

0.90

0.40

1.00

PAD

1

2

3

4

5

CONNECTION

Supply (VDD)

Frequency output (CLKOUT)

Not connected

Serial clock input (SCL)

Data (SDA)

PAD

6

7

8

9

10

CONNECTION

Ground

Interrupt output (/INT)

Not connected

Not connected

FOUT output enable (CLKOE)

15

6

10

Scale 3:1

Option

Codes

RV8564C2

Product

Parameters

Product + option code

eg:

Option code X (eg RV8564C2/X) denotes a custom spec.

Ordering Information

Standard.

Optional - Please specify required code(s) when ordering

Specifications

Available on T&R - 1.5k or 3.5k pcs per reel.

Refer to our website for T&R and soldering details.

Block Diagram

Control 2

Seconds

Minutes

Hours

Days

Weekdays

Month / Century

Years

Minutes Alarm

Hour Alarm

Day Alarm

Weekday Alarm

CLKOUT Frequency

Timer Control

Timer

ADDRESS

REGISTER

Control 1

SCL

CLKOE

/ INT

CLKOUT

00

0F

VOLTAGE

DETECTOR

I2C BUS

INTERFACE

CONTROL

LOGIC

OUTPUT

CONTROL

DIVIDER

OSC

PDR

SDA

32.768kHz

CRYSTAL

Frequencies (selectable):

32.768kHz, 1024Hz, 32Hz & 1Hz

Frequency tolerance:

±10ppm

A

±20ppm

B

Other

specify

+25°C ±5°C

Frequency / temp coefficient:

Operating temperature range:

-40 to +85°C

Storage temperature range:

-55 to +125°C

1.2 ~ 5.5V

Supply current (during access):

200µA max (fscl=100kHz)

800µA max (fscl=400kHz)

Supply current (backup mode):

275nA typ (fscl=0Hz, V

250nA typ (fscl=0Hz, V

Start up time:

3s max

Ageing:

±3ppm max first year

Shock and vibration resistance:

±5ppm, 5,000g, 0.3ms, ½ sine

±5ppm, 20g, 10.0 ~ 2,000Hz

Soldering condition:

Reflow, 260°C, 20 sec max