- RS Stock No.:
- 191-5742
- Mfr. Part No.:
- DS1687-3+
- Manufacturer:
- Maxim Integrated
View all Real Time Clocks
- RS Stock No.:
- 191-5742
- Mfr. Part No.:
- DS1687-3+
- Manufacturer:
- Maxim Integrated
Product overview and Technical data sheets
Legislation and Compliance
- COO (Country of Origin):
- PH
Product Details
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
Available as Chip (DS1685) or Stand-Alone Encapsulated DIP (EDIP) with Embedded Battery and Crystal (DS1687)
Timekeeping Algorithm Includes Leap-Year Compensation Valid Through 2099
Applications
Embedded Systems
Network Hubs, Switches, Routers
Security Systems
Utility Meters
+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
Available as Chip (DS1685) or Stand-Alone Encapsulated DIP (EDIP) with Embedded Battery and Crystal (DS1687)
Timekeeping Algorithm Includes Leap-Year Compensation Valid Through 2099
Applications
Embedded Systems
Network Hubs, Switches, Routers
Security Systems
Utility Meters
For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.
Specifications
Attribute | Value |
---|---|
Functions | NV SRAM, Real Time Clock |
User RAM | 242B |
Bus Type | Multiplexed |
Mounting Type | Surface Mount |
Package Type | EDIP |
Pin Count | 24 |
Dimensions | 1.34 x 0.72 x 0.37mm |
Length | 1.34mm |
Width | 0.72mm |
Height | 0.37mm |
Maximum Operating Supply Voltage | 5.5 V |
Minimum Operating Temperature | 0 °C |
Maximum Operating Temperature | +70 °C |
Minimum Operating Supply Voltage | 4.5 V |