- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄297329 > RX-4801JE (EPSON TOYOCOM CORP) REAL TIME CLOCK, PDSO20 PDF資料下載
參數(shù)資料
| 型號(hào)： | RX-4801JE |
| 廠商： | EPSON TOYOCOM CORP |
| 元件分類(lèi)： | XO, clock |
| 英文描述： | REAL TIME CLOCK, PDSO20 |
| 封裝： | ROHS COMPLIANT, VSOJ-20 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 540K |
| 代理商： | RX-4801JE |
Actual size
http://www.epsontoyocom.co.jp
Real time clock module
Epson Toyocom
Block diagram
Overview
32kHz
DTCXO
32.768 kHz
CLOCK
and
CALENDAR
TIMER
REGISTER
ALARM
REGISTER
FOUT
CONTROLLER
CONTROL
REGISTER
and
SYSTEM
CONTROLLER
DIVIDER
INTERRUPT
CONTROLLER
INTERFACE
CIRCUIT
FOUT
FOE
/ INT
CLK
DO
D I
CE
High Stability
UA
± 1.9 x 10
-6
/
0 C to +40 C
( Equivalent to 5 seconds of month deviation )
± 3.4 x 10
-6
/
-40 C to +85 C
( Equivalent to 9 seconds of month deviation )
UB
± 3.8 x 10
-6
/
0 C to +50 C
( Equivalent to 10 seconds of month deviation )
± 5.0 x 10
-6
/
-40 C to +85 C
( Equivalent to 13 seconds of month deviation )
32.768 kHz frequency output function
FOUT pin output (C-MOS output), CL=30 pF
Output selectable
< 32.768 kHz, 1024 Hz, 1 Hz >
The various interrupt
Timer Function can be set up between
1/ 4096 second and 255 minutes.
Alarm Function can be set to day of week,
day, hour, or minute.
Pin Function
Terminal connection / External dimensions
(Unit:mm)
Signal Name
Pin No.
I / O
Function
/ INT
1
Output
The open drain output for interrupt.
GND
2
-
Connected to a ground
T2(VPP)
3
-
* Use by the manufacture for testing.
( Do not connect external ly.)
DO
4
Output
The data output pin for serial data transfer.
D I
5
input
The data input pin for serial data transfer.
CE
6
input
The chip enable input pin.
C LK
7
input
The shift cl ock input pin for serial data transfer.
FOUT
8
Output
The pin outputs the refarence clock s ignal.
( CMO S output )
FOE
10
input
The input pin for the FOUT output control.
VDD
11
-
Connected to a pos iti ve power supply
RX
4801JE
1.
/ INT
20.
N.C.
2.
GND
19.
N.C.
3.
T2(Vpp)
18.
N.C.
4.
DO
17.
N.C.
5.
DI
16.
N.C.
6.
CE
15.
N.C.
7.
CLK
14.
N.C.
8.
FOUT
13.
N.C.
9.
N.C.
12.
N.C.
10.
FOE
7.
0
±
0.
3
5.4
± 0.2
1.5 Max.
0.
65
11.
VDD
VSOJ
20 pin
Metal may be exposed on the top or bottom of this product.
This will not affect any quality, reliability or electrical spec.
Specifications (characteristics)
Refer to application manual for details.
Electrical Characteristics
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Interface voltage
VDD
Interface voltage
1.8
3.0
5.5
V
Temp. compensated
voltage
VTEM
Temp. compensated voltage
2.2
3.0
5.5
V
Clock voltage
VCLK
-
1.6
3.0
5.5
V
Operating temperatue
TOPR
-
40
+25
+85
°C
Ta = 0 C to +40 C
±1.9 1
UA
Ta = -40 C to +85 C
±3.4 2
Ta = 0 C to +50 C
±3.8 3
Stability
f / f
UB
Ta = -40 C to +85 C
±5.0 4
× 10 6
Current consumption
(1)
IBK1
VDD = 5V
-
1.2
3.4
Current consumption
(2)
IBK2
Backup Mode
FOE = GND,
/INT = VDD
FOUT output : OFF VDD = 3V
-
0.8
2.8
A
1 ) Equivalent to 5 seconds of month deviation. 2 ) Equivalent to 9 seconds of month deviation.
3 ) Equivalent to 10 seconds of month deviation. 4 ) Equivalent to 13 seconds of month deviation.
Built-in 32.768 kHz-DTCXO, High Stability
SERIAL-INTERFACE REAL TIME CLOCK MODULE
RX - 4801 JE
Built in frequency adjusted 32.768 kHz crystal unit and DTCXO.
Interface Type
: 4-wire serial interface
Interface voltage range
: 1.8 V to 5.5 V
Temp.compensated voltage range: 2.2 V to 5.5 V
Wide Timekeeper voltage range : 1.6 V to 5.5 V
32.768 kHz frequency output function : C-MOS output With Control Pin
The various functions include full calendar, alarm, timer.
32.768 kHz-DTCXO Frequency temperature characteristics (Example)
Frequency temperature characteristics
-30
-25
-20
-15
-10
-5
0
5
10
-45
-35
-25
-15
-5
5
15
25
35
45
55
65
75
85
Temperature (C)
F
req
uenc
y
t
o
le
ranc
e
(
×
1
0
-6
)
Tuning fork X'tal
32.768 kHz DTCXO
Product Number (Please contact us)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| RX5C348A | 4-WIRE SERIAL INTERFACE |
| RYC8240-4WM | SWITCHED CAPACITOR REGULATOR, PDSO16 |
| RYC8240-1WP | SWITCHED CAPACITOR REGULATOR, PDIP16 |
| RZ13096C-PR821-AN | 96 CONTACT(S), MALE, STRAIGHT TWO PART EURO CONNECTOR, PRESS FIT |
| RZ13096K-PR821-4F | 96 CONTACT(S), MALE, STRAIGHT TWO PART EURO CONNECTOR, PRESS FIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RX-4801JE (UB) +/-3.8PPM | 制造商:Epson Toyocom Corporation 功能描述:RTC MODULE SERIAL 32KHZ DTCXO |
| RX-4801SA | 制造商:EPSONTOYOCOM 制造商全稱(chēng):Epson ToYoCom 功能描述:SERIAL-INTERFACE REAL TIME CLOCK MODULE |
| RX48613-138 | 制造商:ITT Interconnect Solutions 功能描述:RX0R16-10S-F9 - Bulk |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。