(Hong Kong)
Product Summary
The BQ4802LYPWR is a parallel real-time clock. It is a low-power microprocessor peripheral that integrates a time-of-day clock, a century-based calendar, and a CPU supervisor, with package options including a 28-pin SOIC, TSSOP, or SNAPHAT that requires the bq48SH-28x6 to complete the two-piece module. The BQ4802LYPWR is ideal for fax machines, copiers, industrial control systems, point-of-sale terminals, data loggers, and computers. The applications of the BQ4802LYPWR are Telecommunications Base Stations, Servers, Handheld Data Collection Equipment, Medical Equipment, Handheld Instrumentation, Test Equipment.
Parametrics
BQ4802LYPWR absolute maximum ratings: (1)Input voltage range:–0.3V to 6.0V; (2)Operating temperature range:0℃ to 70℃; (3)Storage temperature range:–55℃ to 125℃; (4)Temperature under bias:–40℃ to 85℃; (5)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds:300℃.
Features
BQ4802LYPWR features: (1)Real-Time Clock Counts Seconds Through Centuries in BCD Format: 3.3-V Operation; (2)On-Chip Battery-Backup Switchover Circuit With Nonvolatile Control for External SRAM; (3)Less Than 500 nA of Clock Operation Current in Backup Mode; (4)Microprocessor Reset With Push-Button Override; (5)Independent Watchdog Timer With Programmable Time-Out Period; (6)Power-Fail Interrupt Warning; (7)Programmable Clock Alarm Interrupt Active in Battery-Backup Mode; (8)Programmable Periodic Interrupt; (9)Battery-Low Warning; (10)28-pin SOIC, TSSOP, and SNAPHAT Package Options.
Diagrams
| Image | Part No | Mfg | Description |  |
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 BQ4802LYPWR |
Texas Instruments |
Real Time Clock Parallel RTC |
Data Sheet |
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BQ4802LYPWRG4 |
Texas Instruments |
Real Time Clock Parallel RTC |
Data Sheet |
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