參數(shù)資料
型號(hào): DS1308N
英文描述: 64 X 8 Serial Real Time Clock
中文描述: 64 × 8串行實(shí)時(shí)時(shí)鐘
文件頁(yè)數(shù): 1/14頁(yè)
文件大?。?/td> 225K
代理商: DS1308N
1 of 14
070900
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°C to +85°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 ±2
minute/month at 25°C
Recognized by Underwriters Laboratory
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)
PIN ASSIGNMENT
PIN DESCRIPTION DS1307/DS1308
V
CC
- Primary Power Supply
X1, X2
- 32.768 kHz Crystal Connection
V
BAT
- +3V Battery Input
GND
- Ground
SDA
- Serial Data
SCL
- Serial Clock
SQW/OUT
- Square wave/Output Driver
DS1308 PIN IDENTIFIER
V
CC
- C2, C3, D2, D3
V
BAT
- A4, A5, B4, B5
SDA
- C7, C8, D7, D8
SCL
- A7, A8, B7, B8
SQW/OUT
- C4, C5, D4, D5
GND
- All Remaining Balls
DS1307/DS1308
64 X 8 Serial Real Time Clock
www.dalsemi.com
DS1307Z 8-Pin SOIC (150 mil)
DS1307 8-Pin DIP (300 mil)
X1
X2
V
BAT
GND
V
CC
SQW/OUT
SCL
SDA
l
2
3
4
8
7
6
5
A B
D
C
DS1308 36-Pin SMD BGA
(Top View)
1
2
3
4
5
6
7
8
9
GND
VBAT
GND
SCL
GND
GND
SDA
GND
SQW/
OUT
VCC
GND
l
2
3
4
8
7
6
5
X1
X2
V
BAT
GND
V
CC
SQW/OUT
SCL
SDA
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相關(guān)代理商/技術(shù)參數(shù)
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DS1308U-3 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Current I2C RTC with 56-Byte NV RAM
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