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DS1306ZN Datasheet

  • DS1306ZN

  • Serial Alarm Real-Time Clock(266.05 k)

  • 266.66KB

  • 22頁(yè)

  • ETC

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DS1306
Serial Alarm Real-Time Clock
www.maxim-ic.com
FEATURES
摟
Real-time clock (RTC) counts seconds,
minutes, hours, date of the month, month,
day of the week, and year with leap-year
compensation valid up to 2100
96-byte, battery-backed, nonvolatile (NV)
RAM for data storage
Two time-of-day alarms鈥攑rogrammable on
combination of seconds, minutes, hours, and
day of the week
1Hz and 32.768kHz clock outputs
Serial interface supports Motorola Serial
Peripheral Interface (SPI) serial data ports or
standard 3-wire interface
Burst mode for reading/writing successive
addresses in clock/RAM
Dual-power supply pins for primary and
backup power supplies
Optional trickle charge output to backup
supply
2.0V to 5.5V operation
Optional industrial temperature range:
-40擄C to +85擄C
Available in space-efficient, 20-pin TSSOP
package
Underwriters Laboratory (UL) recognized
PIN ASSIGNMENT
V
CC2
V
BAT
X1
NC
X2
NC
INT0
INT1
1Hz
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC1
NC
32kHz
V
CCIF
SDO
SDI
SCLK
NC
CE
SERMODE
摟
摟
摟
摟
摟
摟
摟
摟
摟
摟
摟
DS1306 20-Pin TSSOP (4.4mm)
V
CC2
V
BAT
X1
X2
INT0
INT1
1Hz
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC1
32kHz
V
CCIF
SDO
SDI
SCLK
CE
SERMODE
DS1306 16-Pin DIP (300-mil)
Package Dimension Information can be found at:
www.maxim-ic.com/TechSupport/PackInfo.html
PIN DESCRIPTION
V
CC1
V
CC2
V
BAT
V
CCIF
GND
X1, X2
INT0
ORDERING INFORMATION
DS1306
DS1306N
DS1306E
DS1306EN
16-Pin DIP (300-mil)
16-Pin DIP (Industrial)
20-Pin TSSOP (4.4mm)
20-Pin TSSOP (Industrial)
INT1
SDI
SDO
CE
SCLK
SERMODE
1Hz
32kHz
1 of 22
- Primary Power Supply
- Backup Power Supply
- +3V Battery Input
- Interface Logic Power Supply
Input
- Ground
- 32.768kHz Crystal Connection
- Interrupt 0 Output
- Interrupt 1 Output
- Serial Data In
- Serial Data Out
- Chip Enable
- Serial Clock
- Serial Interface Mode
- 1Hz Output
- 32.768kHz Output
081601

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