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

Interface

V_SUPPLY
(V)

Time Keeping Current
(nA)

C_L
(pF)

Memory Type

Memory Size
(Bytes)

Time of Day Alarms

hh = sec/100

typ

DS1682

Time/Temperature/Event Recorder

Binary

I²C

3.3

EEPROM

DS1678

YY-MM-DD/ HH:MM:SS

300

12.5

None