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28 Terminations5V 28 Pin DS1688 Real Time ClocksTimer or RTC SubcategoryAlarm, Leap Year, Square Wave Output, Unique ID
- Manufacturer: Maxim Integrated
- NO: 503-DS1688
- Package: 28-DIP (0.600, 15.24mm)
- Datasheet:
- Stock: 4773
- Description: 28 Terminations5V 28 Pin DS1688 Real Time ClocksTimer or RTC SubcategoryAlarm, Leap Year, Square Wave Output, Unique ID (Kg)
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| Parameters | |
|---|---|
| Height Seated (Max) | 5.08mm |
| Length | 36.83mm |
| Width | 15.24mm |
| RoHS Status | Non-RoHS Compliant |
| Lead Free | Contains Lead |
| Mount | Through Hole |
| Mounting Type | Through Hole |
| Package / Case | 28-DIP (0.600, 15.24mm) |
| Number of Pins | 28 |
| Operating Temperature | 0°C~70°C |
| Packaging | Tube |
| Published | 2005 |
| JESD-609 Code | e0 |
| Feature | Alarm, Leap Year, Square Wave Output, Unique ID |
| Pbfree Code | no |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 28 |
| ECCN Code | EAR99 |
| Type | Clock/Calendar |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Additional Feature | CAN ALSO OPERATE AT 5V |
| HTS Code | 8473.30.11.80 |
| Subcategory | Timer or RTC |
| Technology | CMOS |
| Voltage - Supply | 2.7V~3.3V 4.5V~5.5V |
| Terminal Position | DUAL |
| Peak Reflow Temperature (Cel) | 245 |
| Supply Voltage | 5V |
| Terminal Pitch | 2.54mm |
| Reach Compliance Code | not_compliant |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Base Part Number | DS1688 |
| Pin Count | 28 |
| Qualification Status | Not Qualified |
| Power Supplies | 3/5V |
| Interface | Parallel |
| Memory Size | 114B |
| Number of Bits | 16 |
| Logic Function | Clock |
| External Data Bus Width | 8 |
| Number of Timers | 1 |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD |
| Time-Min | SECONDS |
| Interrupt Capability | Y |
| Volatile | YES |
DS1688 Overview
The package 28-DIP (0.600, 15.24mm) contains real time clocks.As you can see, time clock is packaged as if time clock were in the form of Tube.Electrical RTCs such as this have a 2.7V~3.3V 4.5V~5.5V supply.There is a type Clock/Calendar for this electrical real time clock.There is an electronic component mounted in the way of Through Hole.A temperature of 0°C~70°C should be used for operation.When running a program, electronic time clocks may be possible to ensure that Alarm, Leap Year, Square Wave Output, Unique ID are maintained at all times.A transmission line with 28 terminations possesses the characteristic impedance of the RTC module terminating it.RTC real time clocks like this have a 5V supply voltage.With 28 pins, it is equipped with the necessary functions.There are only one family in which RTCs belongs, and that are DS1688.There are such RTCs in Timer or RTC subcategory.A memory of 114B can be used to store data and programs.Amounting type Through Hole is the one associated with the RTC module.There are 3/5V power supplies attached to it.A total of 28 pins are equipped with the real time clock.An input signal is received by 1 timers, which output a signal after a preset time.It is also characterized by CAN ALSO OPERATE AT 5V.Digital time clocks with 16 bits are designed for this application.
DS1688 Features
28-DIP (0.600, 15.24mm) package
28 terminations
28 pin count
3/5V power supplies
16 Bits
DS1688 Applications
There are a lot of Maxim Integrated DS1688 Real Time Clocks applications.
- Digital video camera
- Portable instruments
- Metering
- Medicine Dispenser
- Copy machines
- Utility Meter
- Mobile equipment
- GPS/Telematics Devices
- Server
- Battery powered devices
