NJU6355EM# NJR, NJU6355EM# Datasheet

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NJU6355EM#

Manufacturer Part Number
NJU6355EM#
Description
IC SERIAL I/O REAL TIME CLOCK
Manufacturer
NJR
Type
Clock/Calendarr
Datasheet

Specifications of NJU6355EM#

Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Serial
Voltage - Supply
2 V ~ 5.5 V
Operating Temperature
-30°C ~ 80°C
Mounting Type
Surface Mount
Package / Case
8-EMP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Other names
NJU#6355EM
NJU#6355EM

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NJU6355EM#NJU6355EM
Manufacturer:
JRC
Quantity:
20 000
for 4 bits microprocessor.
voltage regulator, voltage detector and interface controller.
for data transfer, and the microprocessor can receive the data
at any time when the microprocessor requires.
consequently, the NJU6355 series can count accurate time
data even if the back up period.
operating current during the back up period is less than
3uA(TYP).
GENERAL DESCRIPTION
FEATURES
LINE-UP TABLE
BLOCK DIAGRAM
Low Operating Voltage
Low Operating Current
BCD Counts of Seconds, Minutes, Hours, Days of Week
Required only 4-port
Low Battery Detector
Automatic Leap Year Compensation
Package Outline
C-MOS Technology
The NJU6355 series is a serial I/O real time clock suitable
It contains quartz crystal oscillator, counter, shift register,
The NJU6355 series required only 4-port of microprocessor
The operating voltage is as wide as 2.0V to 5.5V,
Furthermore, the long time back up is available as the
NJU6355 E Seconds, Minutes, Hours, Days of Week, Day, Month, Year
Type No.
V
V
SS
DD
XT
XT
Oscillator
Divider
Voltage D etector
Low Voltage Alarm Signal Output
SERIAL I/O REAL TIME CLOCK
2.0 to 5.5V
3.0uA (TYP) @2.0V
3.0uA (TYP) @3.0V
4.0uA (TYP) @5.0V
DATA, CLK, CE and I/O
DIP8 / DMP8
Sec.
Sec.
Day, Month and Year
Output Data
Min.
Min.
Up to AD 2099
Clock Counter
Hr.
Hr.
Timer Counter
C ontroller
Shift Register
Days of
Days of
&
W eek
W eek
Day
Day
Month
Month
PACKAGE OUTLINE
PIN CONFIGURATION
Year
Year
NJU6355ED
V
I/O
XT
XT
Cd=21pF / Cg=21pF on Chip
SS
Oscillation Capacitor
NJU6355
NJU6355EM
DATA
V
DATA
CLK
CE
I/O
CLK
CE
DD
- 1 -

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NJU6355EM# Summary of contents

Page 1

GENERAL DESCRIPTION The NJU6355 series is a serial I/O real time clock suitable for 4 bits microprocessor. It contains quartz crystal oscillator, counter, shift register, voltage regulator, voltage detector and interface controller. The NJU6355 series required only 4-port of microprocessor ...

Page 2

NJU6355 TREMINAL DESCRIPTION No. SYMBOL I/O Input/Output Select Terminal for DATA Terminal 1 "H" : Input, "L" : Output During the CE terminal is "L", the DATA terminal is high impedance Quartz Crystal Connecting Terminal (f=32.768kHz) Refer to ...

Page 3

Timer Data Reading When the I/O termianl is "L" and the CE tarminal is "H", timer data can read out. The output is LSB first and the output data strings is shown below. The timer data is transferred from ...

Page 4

NJU6355 3. Timer Data Writing When both of the I/O terminal and the CE terminal are "H", update is stopped, the oscillator divider is cleared, and the timer data can be written to the NJU6355. The timer data is written ...

Page 5

ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS DC Characteristics PARAMETER Operating Current Low Battery Detect Voltage PARAMETER Operating Voltage Operating Current 3-st. Leakage Current Input Leakage Current Input Current ...

Page 6

NJU6355 CLK I (in) t WDS CLK 80% Input Data 20% APPLICATION CIRCUIT Main Power Supply - 6 - CLK I/O DH (out CLK 80% 20% Vss t WDH ...

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