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DS1305Z Datasheet

  • DS1305Z

  • Serial Alarm Real-Time Clock(287.74 k)

  • 22頁(yè)

  • ETC

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DS1305
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
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
NC
INT1
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC1
NC
PF
V
CCIF
SD0
SDI
SCLK
NC
CE
SERMODE
摟
摟
摟
摟
摟
摟
摟
摟
摟
摟
DS1305 20-Pin TSSOP (173-mil)
V
CC2
V
BAT
X1
X2
NC
INT0
INT1
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC1
PF
V
CCIF
SDO
SDI
SCLK
CE
SERMODE
ORDERING INFORMATION
DS1305
DS1305N
DS1305E
DS1305EN
16-Pin DIP (300-mil)
16-Pin DIP (Industrial)
20-Pin TSSOP (173-mil)
20-Pin TSSOP (Industrial)
DS1305 16-Pin DIP (300-mil)
1 of 22
092801

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