DS1284 Maxim Integrated Products, DS1284 Datasheet - Page 15

• Manufacturer Part Number: DS1284
• Description: IC TIMEKEEPER WATCHDOG 28-DIP
• Manufacturer: Maxim Integrated Products
• Type: Watchdog Timerr

Specifications of DS1284

• Memory Size: 50B
• Time Format: HH:MM:SS:hh (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: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PIN CONFIGURATIONS
TOP VIEW
INTA
GND
DQ0
DQ1
DQ2
N.C.
X1
X2
A5
A4
A3
A2
A1
A0
(600 mils)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DS1284
DIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
V
WE
INTB (INTB)
SQW
OE
GND
CE
DQ7
DQ6
DQ5
DQ4
DQ3
RCLR
BAT
CC
DQ0
A5
A4
A3
A2
A1
A0
5
6
7
8
9
10
11
12 13 14
4
DS1284
3
15 of 18
PLCC
2
15 16 17 18
1
28 27 26
22
21
20
25
24
23
19
V
RCLR
OE
GND
SQW
CE
DQ7
BAT
INTA
N.C.
DQ0
N.C.
N.C.
DQ1
DQ2
GND
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
(720 mils)
DS1286
EDIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DQ3
DQ4
DQ5
CE
DQ7
DQ6
SQW
OE
V
N.C.
N.C.
N.C.
WE
INTB (INTB)
CC
DS1284/DS1286