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See Technical Specifications

DS1687-5+ +BOM

Real Time Clock with 1 Timer, PDIP24

Manufacturer:

Maxim Integrated
Mfr.Part #:

DS1687-5+
Datasheet:

DS1687-5+ Datasheet (PDF)
Series: DS1687
PackingQty:

Tube,14
PackingOption:

Tube
TempRange:

0 to 70C
EDA/CAD Models:

Request Free CAD Models for DS1687-5+

DS1687-5+ Information

Description

The Analog Devices DS1687-5+ is a real-time clock (RTC) component that provides accurate timekeeping and alarm functions for various applications. It features a Y2K-compliant design, supporting both +3V and +5V operation. The device includes a power-control circuitry that allows system power-on from date/time alarm or key closure, making it suitable for battery-backed systems. The DS1687-5+ also offers 64-bit silicon serial number, crystal-select bit for operating with different crystals, and SMI recovery stack for reliable data storage. It has 242 bytes of battery-backed NV RAM, auxiliary battery input, and RAM clear input for easy system integration. This RTC component is designed for embedded systems, network hubs, switches, routers, security systems, and utility meters, providing a reliable and accurate timekeeping solution.

Features

According to the product information provided, the features of the DS1687-5+ include:

Y2K Compliant
+3V or +5V Operation
64-Bit Silicon Serial Number
Power-Control Circuitry Supports System Power-On from Date/Time Alarm or Key Closure
32kHz Output for Power Management
Crystal-Select Bit Allows RTC to Operate with 6pF or 12.5pF Crystal
SMI Recovery Stack
242 Bytes Battery-Backed NV RAM
Auxiliary Battery Input
RAM Clear Input
Century Register
Date Alarm Register
Compatible with Existing BIOS for Original DS1287 Functions

Note that these features are specific to the DS1687-5+, and may not be applicable to other products from Analog Devices.

Package

The package type of DS1687-5+ is Dual-In-Line Packages - MDP24+2.

Manufacturer

The manufacturer of the DS1687-5+ is Analog Devices, a fabless semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits (ICs).

Applications

According to the product information, the application areas of DS1687-5+ are:

Embedded Systems
Network Hubs, Switches, Routers
Security Systems
Utility Meters

Equivalent

The equivalent products of DS1687-5+ are:

Maxim Integrated MAX1550
Texas Instruments TMS3701
STMicroelectronics M41T60
NXP Semiconductors PCF2127A

These products offer similar real-time clock and timer functions as the DS1687-5+.

Specifications

model	DS1687-5+	packingQty	Tube,14
packingOption	Tube	lifeCycle	production
tempRange	0 to 70C	Programmabe	Not Verified
Type	Clock/Calendar	Features	Alarm, NVSRAM, Square Wave Output, Y2K
Memory Size	242B	Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd	Interface	Parallel
Voltage - Supply	4.5V ~ 5.5V	Voltage - Supply, Battery	2.5V ~ 3.7V
Current - Timekeeping (Max)	3mA @ 5V	Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole	Base Product Number	DS1687
Package/Case	EDIP-24