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DATA SHEETS
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Title / Parts
Key Advantages
QV
PDF
1024-Bit EEPROM
i
Button
DS1972
EPROM-Emulation Mode for Protection Against Accidental Erasure or Tampering of Data
QV
PDF
Password-Protected 32kB EEPROM
i
Button
DS1977
QV
PDF
Total-Elapsed-Time Recorder with Alarm
DS1682
Industry's First Crystal-less Elapsed Time Counter
Key Specifications:
i
Button Products
Part Number
Overview
Memory Type
Memory Size
Security Features
UniqueWare
Real-Time Clock
DS1972
iButton Memory
EEPROM
1k bits
-
No
No
DS1977
iButton Memory
EEPROM
32k Bytes
Password Protected
No
No
See All
i
Button Products (24)
Key Specifications: Timekeeping & Real-Time Clocks
Part Number
Functions
Time Format (hh = sec/100)
Date Format
Interface
Supply Voltage (V)
Memory Type
Memory Size (Bytes)
Number of Time of Day Alarms
Package
Smallest Available Package (max w/pins) (mm
2
)
Operating Temp.
Range (°C)
DS1682
•
Time/Temperature/Event Recorder
Binary
Binary
I
2
C
3
3.3
5
EEPROM
10
1
SOIC/8
31
-40 to +85
See All Timekeeping & Real-Time Clocks (86)
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