DS1307 Datasheet

  • DS1307

  • 64 x 8 Serial Real Time Clock

  • 348.48KB

  • Dallas

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DS1307/DS1308
64 X 8 Serial Real Time Clock
www.dalsemi.com
FEATURES
Real time clock counts seconds, minutes,
hours, date of the month, month, day of the
week, and year with leap year compensation
valid up to 2100
56 byte nonvolatile RAM for data storage
2-wire serial interface
Programmable squarewave output signal
Automatic power-fail detect and switch
circuitry
Consumes less than 500 nA in battery backup
mode with oscillator running
Optional industrial temperature range
-40掳C to +85掳C (IND) available for DS1307
and DS1308
DS1307 available in 8-pin DIP or SOIC
DS1308 available in 36-pin SMD BGA (Ball
Grid Array)
DS1308 accuracy is better than 卤2
minute/month at 25掳C
Recognized by Underwriters Laboratory
PIN ASSIGNMENT
X1
X2
V
BAT
GND
l
2
3
4
8
7
6
5
V
CC
SQW/OUT
SCL
SDA
DS1307 8-Pin DIP (300 mil)
X1
X2
V
BAT
GND
l
2
3
4
8
7
6
5
V
CC
SQW/OUT
SCL
SDA
DS1307Z 8-Pin SOIC (150 mil)
A B
GND
VBAT
GND
SCL
GND
1
2
3
4
5
6
7
8
9
C D
GND
VCC
SQW/
OUT
GND
SDA
GND
ORDERING INFORMATION
DS1307
DS1307Z
DS1307N
DS1307ZN
DS1308
DS1308N
8-Pin DIP
8-Pin SOIC (150 mil)
8-Pin DIP (Industrial)
8-Pin SOIC (Industrial)
36-Pin BGA
36-Pin BGA (Industrial)
DS1308 36-Pin SMD BGA
(Top View)
PIN DESCRIPTION DS1307/DS1308
V
CC
X1, X2
V
BAT
GND
SDA
SCL
SQW/OUT
- Primary Power Supply
- 32.768 kHz Crystal Connection
- +3V Battery Input
- Ground
- Serial Data
- Serial Clock
- Square wave/Output Driver
DS1308 PIN IDENTIFIER
V
CC
V
BAT
SDA
SCL
SQW/OUT
GND
1 of 14
- C2, C3, D2, D3
- A4, A5, B4, B5
- C7, C8, D7, D8
- A7, A8, B7, B8
- C4, C5, D4, D5
- All Remaining Balls
070900

DS1307 PDF文件相关型号

DS1308

DS1307 产品属性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 50

  • 集成电路 (IC)

  • 时钟/计时 - 实时时钟

  • -

  • 时钟/日历

  • 闰年,NVSRAM,方波输出

  • 56B

  • HH:MM:SS(12/24 小时)

  • YY-MM-DD-dd

  • I²C,2 线串口

  • 4.5 V ~ 5.5 V

  • 2 V ~ 3.5 V

  • 0°C ~ 70°C

  • 通孔

  • 8-DIP(0.300",7.62mm)

  • 8-PDIP

  • 管件

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