DS1315 Datasheet

  • DS1315

  • Phantom Time Chip

  • 523.36KB

  • Dallas

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DS1315
Phantom Time Chip
www.dalsemi.com
FEATURES
Real time clock keeps track of hundredths of
seconds, seconds, minutes, hours, days, date
of the month, months, and years
Adjusts for months with fewer than 31 days
Automatic leap year correction valid up to
2100
No address space required to communicate
with RTC
Provides nonvolatile controller functions for
battery backup of SRAM
Supports redundant battery attachment for
high鈥搑eliability applications
Full 卤10% V
CC
operating range
+3.3 volt or +5 volt operation
Industrial (鈥?5掳C to +85掳C) operating
temperature ranges available
Drop in replacement for DS1215
PIN ASSIGNMENT
X1
X2
WE
BAT1
GND
D
Q
GND
1
2
3
4
5
6
7
8
16-Pin DIP (300-mil)
X1
X2
WE
BAT1
GND
D
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC1
V
CC0
BAT2
RST
OE
CEI
CEO
ROM/RAM
16
15
14
13
12
11
10
9
V
CC1
V
CC0
BAT2
RST
OE
CEI
CEO
ROM/RAM
ORDERING INFORMATION
{
33-3.3 volt operation
5-5 volt operation
blank-commercial temp range
N-industrial temp range
DS1315XX-XX
Q
GND
16-Pin SOIC (300-mil)
X1
1
2
3
4
5
6
7
8
9
10
20-Pin TSSOP
20
19
18
17
16
15
14
13
12
11
V
CC1
V
CC0
BAT2
NC
RST
OE
NC
CEI
CEO
ROM/RAM
blank-16-pin DIP
S-16-pin SOIC
E-20-pin TSSOP
X2
WE
NC
BAT1
GND
NC
D
Q
GND
1 of 21
082699

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