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- Manufacturer No：BQ4845YS-A4
- Manufacturer：Texas Instruments
- Category：Clock/Timing - Real Time Clocks
- Datasheet：BQ4845YS-A4
- SKU：545723
- Description：Real Time Clock (RTC) IC Clock/Calendar - Parallel 28-SOIC (0.295", 7.50mm Width)
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User Guide
BQ4845YS-A4 Details
Real Time Clock (RTC) IC Clock/Calendar - Parallel 28-SOIC (0.295", 7.50mm Width)
BQ4845YS-A4 Specification Parameters
- Volatile: NO
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
- Mount: Surface Mount
- ECCN Code: EAR99
- Contact Plating: Gold
- Part Status: Obsolete
- External Data Bus Width: 8
- Supply Voltage: 5V
- Power Supplies: 5V
- Technology: CMOS
- Peak Reflow Temperature (Cel): 260
- Number of Terminations: 28
- Pin Count: 28
- Interface: Parallel
- Voltage - Supply: 4.5V~5.5V
- Logic Function: Clock
- Package / Case: 28-SOIC (0.295, 7.50mm Width)
- Type: Clock/Calendar
- Time Format: HH:MM:SS (12/24 hr)
- Clock Frequency: 0.032MHz
- Voltage - Supply, Battery: 2.3V~4V
- Current - Timekeeping (Max): 1.5mA Typ @ 4.5 V~5.5 V
- Width: 7.5565mm
- RoHS Status: ROHS3 Compliant
- Mounting Type: Surface Mount
- Number of Timers: 1
- Radiation Hardening: No
- Lead Free: Lead Free
- JESD-609 Code: e4
- Terminal Position: DUAL
- Operating Supply Voltage: 5V
- Packaging: Tube
- REACH SVHC: No SVHC
- Terminal Pitch: 1.27mm
- Number of Pins: 28
- HTS Code: 8542.39.00.01
- Operating Temperature: 0°C~70°C
- Interrupt Capability: Y
- Height Seated (Max): 2.667mm
- Date Format: YY-MM-DD-dd
- Subcategory: Timer or RTC
- Time-Min: SECONDS
- Weight: 730.794007mg
- Feature: Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
- Base Part Number: BQ4845
- Length: 17.9705mm
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Texas Instruments — Manufacturer Introduction
Texas Instruments (TI) is a multinational semiconductor company based in Texas, United States. It is renowned for its development, manufacturing, and sale of semiconductors and computer technology, primarily focusing on innovative digital signal processing and analog circuitry. In addition to its semiconductor business, TI also offers solutions in sensing and control, educational products, and digital light processing.
Headquartered in Dallas, Texas, TI has manufacturing, design, and sales offices in more than 25 countries. It is the world's largest manufacturer of digital signal processors (DSPs) and analog circuit components, with its analog and digital signal processing technologies holding a dominant position worldwide.
After successive acquisitions of Fairchild Semiconductor's manufacturing division and Chengdu Cension Semiconductor, in 2011, TI further solidified its position as a leading analog semiconductor giant by acquiring National Semiconductor for $6.5 billion.
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