DS12C887 Maxim Integrated Products, DS12C887 Datasheet - Page 20

• Manufacturer Part Number: DS12C887
• Description: IC RTC W/RAM 128 BYTE 24-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAMr

Specifications of DS12C887

• Memory Size: 113B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 24-DIP (600 mil) Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Real-Time Clocks
20
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NOTE: THE DS12887A AND DS12C887A CANNOT BE STORED OR SHIPPED IN CONDUCTIVE MATERIAL
THAT WILL GIVE A CONTINUITY PATH BETWEEN THE RAM CLEAR PIN AND GROUND.
TOP VIEW
MOT
GND
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
X1
X2
10
11
12
1
2
3
4
5
6
7
8
9
SO, PDIP
DS12885S
DS12885
SQW
MOT
N.C.
N.C.
V
X2
CC
X1
24
23
22
21
20
19
18
17
16
15
14
13
28
26
27
1
2
3
4
V
SQW
N.C.
RCLR
V
IRQ
RESET
DS
GND
R/W
AS
CS
CC
BAT
PLCC
DS12885Q
( ) FOR THE DS12887A/DS12C887A.
18
17
16
15
14
13
12
MOT
GND
N.C.
N.C.
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD6
N.C.
AS
CS
GND
AD7
N.C.
10
11
12
1
2
3
4
5
6
7
8
9
DS12C887A
DS12887A
DS12C887
DS12887
EDIP
Pin Configurations
24
23
22
21
20
19
18
17
16
15
14
13
V
SQW
N.C.
N.C.
(RCLR)
N.C.
IRQ
RESET
DS
N.C.
R/W
AS
CS
CC