RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning 28-SOIC 0 to 70
Manufacturer: Texas Instruments
Win Source Part Number: 770366-BQ4845S-A4TR
Packaging: Reel package
Type: Clock/Calendar
Operating Temperature Range: 0°C ~ 70°C
Features: Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer
Package: 28-SOIC (0.295", 7.50mm Width)
Mounting: SMD
Operating Supply Voltage: 4.75 V ~ 5.5 V
Interface: Parallel
Date Format: YY-MM-DD-dd
Voltage - Supply, Battery: 2.3 V ~ 4 V
Family Name: BQ4845
Categories: Integrated Circuits (ICs)
Manufacturer Package: 28-SOIC
Current - Timekeeping (Maximum): 1.5mA (Typ) @ 4.5 V ~ 5.5 V
Alternative Parts (Cross-Reference): BQ4845S-A4G4; BQ4845P-A4; BQ4845S-A4TRG4; BQ4845S-A4; BQ4845S-A4NTRG4;
Introduction Date: August 31, 2005
ECCN: EAR99
Country of Origin: Taiwan
Estimated EOL Date: 2029
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 72 pct.
Supply and Demand Status: Limited
"Real Time Clock (RTC) IC Clock/Calendar Parallel 28-SOIC (0.295"", 7.50mm Width)"
RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning 28-SOIC 0 to 70 Product overview: BQ4845S-A4TR from Texas Instruments is a Clock and Timing IC for clock generation, timing distribution, synchronization, RF systems, communication hardware, and digital boards. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SOIC. Search-friendly keywords include clock generator, oscillator, timing, synchronization, SOIC, Clock and Timing IC, Real Time Clocks ICs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 690-BQ4845S-A4TR can be used for catalog matching and distributor lookup.
Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDSO28
IC RTC CLK/CALENDAR PAR 28SOIC
IC RTC CLK/CALENDAR PAR 28-SOIC
Real Time Clock (RTC) IC Clock/Calendar Parallel 28-SOIC (0.295", 7.50mm Width)
| Texas Instruments | Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | Rochester Electronics | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|---|
| Product Category | IC Clocks | IC Clocks | IC Clocks | IC Timers | IC Clocks | IC Clocks | IC Clocks | IC Clocks |
| Product Number | BQ4845S-A4TR | 770366-BQ4845S-A4TR | BQ4845S-A4TR-ND | 690-BQ4845S-A4TR | BQ4845S-A4TR | BQ4845S-A4TR | BQ4845S-A4TR | BQ4845S-A4TR |
| Product Name | BQ4845 RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning | Clock/Timing - Clock/Timing - Real Time Clocks - BQ4845S-A4TR | Real Time Clocks | SOIC Clock and Timing IC | Integrated Circuits (ICs) - Clock-Timing - Real Time Clocks | Clock/Timing - Real Time Clocks | Real Time Clocks | |
| Device Type | Real Time Clock | Real Time Clock | Real Time Clock | Real Time Clock | Clock/Calendar; Real Time Clock | Real Time Clock | Real Time Clock | |
| Package Type | PDIP,SOIC | Surface Mount | Surface Mount; SOIC; "28-SOIC (0.295"", 7.50mm Width)" | Tape and Reel | SOIC | Surface Mount; Surface Mount | Surface Mount; SOIC; 28-SOIC (0.295\", 7.50mm Width) | |
| Operating Temperature | -40 to 85 C (-40 to 185 F) | 0.0 to 70 C (32 to 158 F) | 0.0 to 70 C (32 to 158 F) | 0.0 C (32 F) | 0.0 to 70 C (32 to 158 F) | 0.0 to 70 C (32 to 158 F) |
