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

Battery-Backup

DATA SHEETS

Display

Title / Parts

Key Advantages

QV PDF

I²C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
DS1374, DS1374C, DS1374U

Elapsed Time Counter Provides Power-On Reset, Watchdog or Alarm, and Square Wave

QV PDF

3.3V/5V MicroManager
DS1836

QV PDF

PC Power Fail and Reset Controller
DS1632

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

Number of Time of Day Alarms

DS1374

•	Elapsed Time Counter

•	Watchdog Timekeeper

Binary

I²C

1.8
3
3.3
5

400

None