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RTC-8564NB 参数 Datasheet PDF下载

RTC-8564NB图片预览
型号: RTC-8564NB
PDF下载: 下载PDF文件 查看货源
内容描述: I2C总线接口的实时时钟模块 [I2C-Bus INTERFACE REAL TIME CLOCK MODULE]
分类和应用: 时钟
文件页数/大小: 2 页 / 410 K
品牌: EPSONTOYOCOM [ EPSON TOYOCOM ]
 浏览型号RTC-8564NB的Datasheet PDF文件第2页  
Real time clock module
Epson Toyocom
Product Number (Please contact us)
RTC-8564JE : Q41856471000100
RTC-8564NB : Q41856491000200
Low current consumption
I
2
C-Bus INTER FACE REAL TIME C LOCK MOD ULE
RTC - 8564 JE
/
NB
•Built
in frequency adjusted 32.768 kHz crystal unit.
•Interface
Type
׃
I
2
C-Bus Interface (400 kHz)
•Operating
voltage range
׃
1.8 V to 5.5 V
•Timekeeper
voltage range
׃
1.0 V to 5.5 V / -20
°C
to +70
°C
•Low
backup current
׃
275 nA / 3.0 V(Typ.)
•32.768
kHz frequency output function
׃
C-MOS output With Control Pin
•The
various functions include full calendar, alarm, timer,
and power supply voltage monitoring function
*
The I C-Bus is a trademark of
NXP Semiconductors
2
Actual size
RTC-8564JE
RTC-8564NB
Block diagram
32.768 kHz
CRYSTAL
O SC
Voltage Detector
Overview
Interface Type
2
Control 1
Control 2
Seconds
Minutes
Hours
DIVIDER
Days
Weekdays
Month / Century
Years
00
•I C-Bus Interface. ( Hi-speed bus specifications 400 kHz )
I
2
C-Bus slave address : read A3h and write A2h
Low Timekeeper voltage range
CLKOUT
CLKOE
OUTPUT
CONTROL
•1.0 V to 5.5 V / Ta = -20
°C
to +70
°C
•1.1 V to 5.5 V / Ta = -40
°C
to +85
°C
32.768 kHz frequency output function
/ INT
SCL
SDA
I C-BUS
INTERFACE
2
CONTROL
LOGIC
Minutes Alarm
Hour Alarm
Day Alarm
Weekday Alarm
CLKOUT frequency
Timer Control
Timer
0F
•CLKOUT pin output (C-MOS output ), CL=30 pF
•CLKOE pin enables output on/off control.
•Output selectable
<32.768 kHz, 1024 Hz, 32 Hz, 1 Hz>
The various interrupt function
ADDRESS
POR
REGISTER
•Timer function can be set up between 1/4096 second and
255 minutes.
• Alarm function can be set to any combination of day of
week, hour, or minute.
Functions are compatible with RX-8564 LC series.
Pin Function
Signal Name Input/Output
SCL
SDA
CLKOUT
Input
Function
Serial clock input pin.
32.768 kHz clock output pin with the
output control function. (C-MOS)
CLKOE pin control the condition of
CLKOUT with FE-bit, etc.
CLKOE pin
input
FE
bit
1
0
1
0
CLKOUT pin
output
Output
( C-MOS )
OFF
( LOW )
OFF
( LOW )
OFF
( LOW )
Terminal connection / External dimensions
RTC
8564 JE
0.65
(Unit׃mm)
RTC
8564 NB
20.
19.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
/ INT
GND
( GND )
N.C.
SDA
SCL
CLKOUT
V
DD
CLKOE
N.C.
N.C.
SON
22 pin
5.0
±
0 .2
4.8
1.3
±
0. 1
0.5
6.3
Max.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
N.C.
N.C.
CLKOE
V
DD
CLKOUT
SCL
SDA
( GND )
GND
/ INT
22.
21.
20.
19.
18.
17.
16.
15.
14.
13.
12.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
Bi-directional Data input and output pin.
Output
7.0
±
0.3
5 .4
18.
17.
16.
15.
14.
CLKOE
Input
HIGH
LOW
1.5
Max.
6 .0
±
0.2
13.
12.
11.
/INT
V
DD
GND
Output
-
-
Interrupt output
( N-ch open drain )
Connected to a positive power supply.
Connected to a ground.
VSOJ
20 pin
Metal may be exposed on the top or bottom of this product. This w ill not affect any quality , reliability or electrical spec.
Specifications (characteristics)
!
Recommended Operating Conditions
Item
Power voltage
Clock voltage
Operating
temperature
Item
Low voltage
detection
Item
Frequency
tolerance
Symbol
V
DD
V
CLK
T
OPR
Condition
-
-
-
Min.
1.8
V
LOW
-40
Typ.
3.0
3.0
+25
Max.
5.5
5.5
+85
Unit
V
V
°
C
Refer to application manual for details.
!
Current consumption characteristics
Item
Symbol
Condition
Min.
V
DD
=5V
T
a
=
−40 °C
to +85
°C
Typ.
330
Max.
800
Unit
f
SCL
= 0 Hz
I
BK
CLKOE = GND
CLKOUT ;
!
Low voltage detection
Symbol
V
LOW
Condition
T
a
= -20
°
C
+70
°
C
T
a
= -40
°
C
+85
°
C
Condition
T
a
= +25
°
C
V
DD
= 3.0 V
Typ.
0.9
0.9
Max.
1.0
1.1
Unit
V
V
Unit
×
10
6
nA
275
700
Current
Consumtion
V
DD
output OFF ( LOW )
=3V
V
DD
=5V
!
Frequency characteristics
Symbol
f/f
Rating
5
±
23 *
f
SCL
= 0 Hz
CLKOE = V
DD
I
32k
CLKOUT ;
2.5
3.4
µ
A
32.768 kHz output ON
V
DD
(Output=OPEN ;
=3V
CL = 0 pF)
1.5
2.2
*
Please ask for tighter tolerance. (Equivalent to 1 minute of monthly deviation)
http://www.epsontoyocom.co.jp