DS1747 Maxim, DS1747 Datasheet - Page 2

• Manufacturer Part Number: DS1747
• Description: The DS1747 is a full-function, year-2000-compliant (Y2KC), real-time clock/calendar (RTC) and 512k x 8 nonvolatile static RAM
• Manufacturer: Maxim

PIN DESCRIPTION
EDIP
13
14
15
17
18
19
20
21
16
22
24
29
32
—
—
10
11
12
23
25
26
27
28
30
31
—
—
1
2
3
4
5
6
7
8
9
P IN
2 B
Configuration)
Configuration)
PowerCap
(See Pin
(See Pin
16
15
14
13
12
11
10
17
34
32
30
25
24
23
22
21
20
19
18
28
29
27
26
31
33
9
8
7
6
5
3
2
1
4
X1, X2
N AME
0 B
GND
V
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
WE
V
N.C.
R ST
1 B
CE
OE
A18
A16
A14
A12
A10
A11
A13
A17
A15
A7
A6
A5
A4
A3
A2
A1
A0
A9
A8
BAT
CC
Address Input
Data Input/Output
Ground
Active-Low Chip-Enable Input
Active-Low Output-Enable Input
Active-Low Write-Enable Input
Power-Supply Input
No Connection
Active-Low Power-On Reset Output
Crystal Input, Output Connections
Battery Connection
2 of 16
F UNCTION
3 B