Transport Nodes, Access Nodes, Add/Drop Multiplexers, and Digital Cross-Connects

Warranty

DATA SHEETS

Display

Title / Parts

Key Advantages

QV PDF

Total-Elapsed-Time Recorder with Alarm
DS1682

Industry's First Crystal-less Elapsed Time Counter

QV PDF

Real-Time Event Recorder
DS1678

Key Specifications: Timekeeping & Real-Time Clocks

Part Number

Functions

Date/ Time Format (hh = sec/100)

Interface

Supply Voltage (V)

Time- keeping Current (typ) (nA)

C_L, Load Capacitance (pF)

Memory Type

Memory Size (Bytes)

Number of Time of Day Alarms

DS1682

•	Time/Temperature/Event Recorder

Binary

I²C

3
3.3
5

EEPROM

DS1678

YY-MM-DD/ HH:MM:SS

I²C

300

12.5

None