DS1743W-120 Maxim Integrated Products, DS1743W-120 Datasheet - Page 15
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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
AC TEST CONDITIONS
Output Load: 50 pF + 1TTL Gate
Input Pulse Levels: 0 to 3.0V
Timing Measurement Reference Levels:
Input Pulse Rise and Fall Times: 5ns
NOTES:
1) Voltages are referenced to ground.
2) Typical values are at +25C and nominal supplies.
3) Outputs are open.
4) Battery switchover occurs at the lower of either the battery terminal voltage or V
5) The CE2 control signal functions the same as the CE signal except that the logic levels for active and
6) Data-retention time is at +25C.
7) Each DS1743 has a built-in switch that disconnects the lithium source until V
8) RTC Encapsulated DIP Modules (EDIP) can be successfully processed through conventional wave-
inactive levels are opposite. If CE2 is used to terminate a write, the CE2 data hold time (t
user. The expected t
from the time power is first applied by the user.
soldering techniques as long as temperatures as long as temperature exposure to the lithium energy
source contained within does not exceed +85C. Post-solder cleaning with water-washing techniques is
acceptable, provided that ultrasonic vibration is not used. See the PowerCap package drawing for
details regarding the PowerCap package.
Input: 1.5V
Output: 1.5V
DR
is defined for DIP modules as a cumulative time in the absence of V
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
15 of 16
CC
PF
is first applied by the
.
DH
) applies.
CC
starting