51-85160 | Cypress CY14B108K, CY14B108M specs

PRELIMINARY	CY14B108K, CY14B108M

Package Diagrams (continued)

Figure 18. 54-Pin TSOP II (51-85160)

51-85160 **

Document #: 001-47378 Rev. **

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Cypress CY14B108K, CY14B108M manual 51-85160

Contents

Features Logic Block Diagram1, 2Functional Description Cypress Semiconductor Corporation Pinouts Device Operation Sram ReadSram Write AutoStore Operation Hardware Recall Power Up Hardware Store HSB OperationSoftware Recall Software Store Mode Selection A15 A05 Mode PowerPreventing AutoStore Store Data Protection Best Practices Noise Considerations Real Time Clock Operation Watchdog Timer AlarmCalibrating the Clock Power Monitor Interrupt RegisterInterrupts Flags Register WDF Watchdog Timer Flag PF Power Fail FlagPFE Power Fail Enable AF Alarm Flag WDS OscenWDF Oscf 0xFFFF9 0x7FFF9 Time Keeping Seconds For the register is 0 to 0xFFFF5 0x7FFF5 Alarm Day Time-baseWrite only. Reading it always returns a 0xFFFF6 0x7FFF6 Interrupt Status/Control 0xFFFF2 0x7FFF2 Alarm Seconds Centuries 0xFFFF0 0x7FFF0 FlagsWatchdog This condition and write 0 to clear this flag DC Electrical Characteristics Range Ambient TemperatureMaximum Ratings Operating Range Data Retention and Endurance CapacitanceThermal Resistance AC Test Conditions RTC Backup Current Hot Temperature 85 oCRTC Battery Pin Voltage RTC Capacitor Pin Voltage TOCS RTC Oscillator Time to Start AC Switching Characteristics Switching WaveformsParameters Sram Read Cycle Sram Write Cycle Data Output High Impedance Output Data Valid Standby ActiveAddress Address Valid Data Input Input Data Valid Data Input Data Output Input Data Valid High ImpedanceNot applicable for RTC register writes Data Input Input Data Valid High Impedance Data Output AutoStore/Power Up Recall Parameters Description 20 ns 25 ns 45 ns Unit Min Max Software Controlled Store and Recall Cycle To Output Active Time when write latch not set Hardware Store CycleDescription 20 ns 25 ns 45 ns Unit Min Hardware Store Pulse Width For x8 Configuration For x16 ConfigurationInputs and Outputs Mode Power Truth Table For Sram Operations ZS Tsop Part Numbering Nomenclature CY14 B 108 K ZS P 20 X C TNvsram Ordering Information Package Diagrams Pin Tsop II 51-85160 Sales, Solutions, and Legal Information Worldwide Sales and Design Support Products PSoC SolutionsNew Data Sheet Document History