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- Manufacturer No：DS1644-120
- Manufacturer：Maxim Integrated
- Category：Clock/Timing - Real Time Clocks
- Datasheet：DS1644-120
- SKU：1849255
- Description：Through Hole DUAL Clock HH:MM:SS (24hr) Real Time Clock (RTC) IC 2005 120ns 32KB 0C~70C
User Guide
User Guide
DS1644-120 Details
Through Hole DUAL Clock HH:MM:SS (24hr) Real Time Clock (RTC) IC 2005 120ns 32KB 0C~70C
DS1644-120 Specification Parameters
- Volatile: NO
- Mounting Type: Through Hole
- Termination: Through Hole
- Radiation Hardening: No
- Contact Plating: Tin
- Terminal Position: DUAL
- Operating Supply Voltage: 5V
- Packaging: Tube
- Lead Free: Contains Lead
- Terminal Pitch: 2.54mm
- REACH SVHC: Unknown
- Number of Terminations: 28
- Pin Count: 28
- Operating Temperature: 0°C~70°C
- Nominal Supply Current: 75mA
- Memory Size: 32kB
- Interrupt Capability: N
- Type: Clock/Calendar
- Subcategory: Timer or RTC
- Time Format: HH:MM:SS (24 hr)
- Width: 18.29mm
- Feature: Leap Year, NVSRAM
- Current - Timekeeping (Max): 4mA @ 4.5V~5.5V
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
- Mount: Through Hole
- ECCN Code: EAR99
- RoHS Status: Non-RoHS Compliant
- Part Status: Obsolete
- Supply Voltage: 5V
- Power Supplies: 5V
- Pbfree Code: no
- JESD-609 Code: e0
- Technology: CMOS
- Published: 2005
- Number of Pins: 28
- Interface: Parallel
- Voltage - Supply: 4.5V~5.5V
- Logic Function: Clock
- Height: 9.4mm
- Date Format: YY-MM-DD-dd
- Access Time: 120 ns
- Time-Min: SECONDS
- HTS Code: 8473.30.11.80
- Package / Case: 28-DIP Module (0.600, 15.24mm)
- Length: 39.12mm
- Base Part Number: DS1644
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Maxim Integrated — Manufacturer Introduction
The market is evolving. The rules are changing. To keep your time to market short, you need integration at every level—from silicon to the supply chain. Count on Maxim Integrated to help you overcome design and architectural challenges, with integrated solutions for the industrial, medical, consumer, automotive, energy, computing, and communications realms. Maxim Integrated is also your source for power, interface, and even digital products that work in the analog world. And they’re glad to support you with reference designs, tools, technical documents, packaging, and more. We invite you to explore their latest analog integration offerings.
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