DS1646-120 Maxim Integrated Products, DS1646-120 Datasheet - Page 2
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DS1646-120
Manufacturer Part Number
DS1646-120
Description
Real Time Clock
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1646-120.pdf
(12 pages)
Specifications of DS1646-120
Function
Clock, Calendar, NV Timekeeping RAM
Rtc Memory Size
131072 B
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Rtc Bus Interface
Parallel
Package / Case
eDIP
Time Format
HH:MM:SS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1646-120
Manufacturer:
DALLAS
Quantity:
22
Part Number:
DS1646-120
Manufacturer:
DALLAS
Quantity:
20 000
Company:
Part Number:
DS1646-120+
Manufacturer:
Maxim
Quantity:
601
PIN DESCRIPTION
PDIP
1, 30
10
11
12
25
26
27
28
13
14
15
17
18
19
20
21
16
22
23
24
29
31
32
—
—
2
3
4
5
6
7
8
9
PIN
PowerCap
1, 33, 34
32
30
25
24
23
22
21
20
19
18
29
27
26
31
16
15
14
13
12
11
10
17
28
3
9
8
7
6
2
5
4
X1, X2,
NAME
GND
V
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
N.C.
PFO
A16
A14
A12
A11
A13
A10
A15
WE
V
OE
CE
A7
A6
A5
A4
A3
A2
A1
A0
A9
A8
BAT
CC
No Connection
Address Input
Data Input/Output
Ground
Active-Low Chip Enable
Address Input
Active-Low Output Enable
Active-Low Write Enable
Address Input
Power-Supply Input
Active-Low Power-Fail Output, Open Drain. Requires a pullup
resistor for proper operation.
Crystal Connection, V
2 of 12
BAT
Battery Connection
FUNCTION
DS1646/DS1646P