DS1743W-120 Maxim Integrated Products, DS1743W-120 Datasheet - Page 9
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DS1743W-120
Manufacturer Part Number
DS1743W-120
Description
Real Time Clock
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1743W-120.pdf
(16 pages)
Specifications of DS1743W-120
Function
Clock, Calendar, NV Timekeeping RAM
Rtc Memory Size
8192 B
Supply Voltage (max)
3.63 V
Supply Voltage (min)
2.97 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:
DS1743W-120
Manufacturer:
DALLAS
Quantity:
493
Part Number:
DS1743W-120
Manufacturer:
DALLAS
Quantity:
20 000
Company:
Part Number:
DS1743W-120INDM
Manufacturer:
MAXIM
Quantity:
201
DC ELECTRICAL CHARACTERISTICS (3.3V)
(V
AC CHARACTERISTICS—READ CYCLE (5V)
(V
Active Supply Current
TTL Standby Current (CE = V
CMOS Standby Current
(CE V
CE2 = GND + 0.2V)
Input Leakage Current
(Any Input)
Output Leakage Current
(Any Output)
Output Logic 1 Voltage
(I
Output Logic 0 Voltage
(I
Write-Protection Voltage
Battery Switchover Voltage
Read Cycle Time
Address Access Time
CE to CE2 to DQ Low-Z
CE Access Time
CE2 Access Time
CE and CE2 Data-Off
Time
OE to DQ Low-Z
OE Access Time
OE Data-Off Time
Output Hold from
Address
CC
CC
OUT
OUT
= 3.3V 10%, T
= 5.0V 10%, T
= -1.0mA)
=2.1mA)
PARAMETER
CC
PARAMETER
- 0.2V;
A
A
= Over the Operating Range.)
= Over the Operating Range.)
SYMBOL
IH
)
t
t
t
t
t
t
t
CE2A
t
t
t
CEL
CEA
CEZ
OEL
OEA
OEZ
AA
OH
RC
SYMBOL
MIN
V
V
V
I
I
V
I
I
70
I
CC1
CC2
5
5
5
CC
OL
OL1
IL
OH
SO
PF
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
70ns
MAX
9 of 16
70
70
80
25
35
25
MIN
2.75
2.4
-1
-1
MIN
85
5
5
5
ACCESS
85ns
TYP
V
MAX
V
0.7
0.7
10
or
BAT
85
85
95
30
45
30
PF
MIN
100
MAX
5
5
5
2.97
0.4
30
+1
+1
2
2
100ns
MAX
100
100
105
35
55
35
UNITS
mA
mA
mA
A
A
V
V
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
NOTES
2, 3
2, 3
2, 3
1, 4
1
1
1
5
5
5