Ordering Information | Cypress CY14B108K, CY14B108M instruction

				PRELIMINARY		CY14B108K, CY14B108M
						CY14B108K, CY14B108M


Ordering Information

Speed	Ordering Code			Package	Package Type		Operating
(ns)	Ordering Code			Diagram	Package Type		Range
(ns)				Diagram			Range
20	CY14B108K-ZS20XCT			51-85087	44-pin TSOPII		Commercial

	CY14B108K-ZS20XC			51-85087	44-pin TSOPII

	CY14B108K-ZS20XIT			51-85087	44-pin TSOPII		Industrial

	CY14B108K-ZS20XI			51-85087	44-pin TSOPII

	CY14B108M-ZSP20XCT			51-85160	54-pin TSOPII		Commercial

	CY14B108M-ZSP20XC			51-85160	54-pin TSOPII

	CY14B108M-ZSP20XIT			51-85160	54-pin TSOPII		Industrial

	CY14B108M-ZSP20XI			51-85160	54-pin TSOPII

25	CY14B108K-ZS25XCT			51-85087	44-pin TSOPII		Commercial

	CY14B108K-ZS25XC			51-85087	44-pin TSOPII

	CY14B108K-ZS25XIT			51-85087	44-pin TSOPII		Industrial

	CY14B108K-ZS25XI			51-85187	44-pin TSOPII

	CY14B108M-ZSP25XCT			51-85160	54-pin TSOPII		Commercial

	CY14B108M-ZSP25XC			51-85160	54-pin TSOPII

	CY14B108M-ZSP25XIT			51-85160	54-pin TSOPII		Industrial

	CY14B108M-ZSP25XI			51-85160	54-pin TSOPII

45	CY14B108K-ZS45XCT			51-85087	44-pin TSOPII		Commercial

	CY14B108K-ZS45XC			51-85087	44-pin TSOPII

	CY14B108K-ZS45XIT			51-85087	44-pin TSOPII		Industrial

	CY14B108K-ZS45XI			51-85187	44-pin TSOPII

	CY14B108M-ZSP45XCT			51-85160	54-pin TSOPII		Commercial

	CY14B108M-ZSP45XC			51-85160	54-pin TSOPII

	CY14B108M-ZSP45XIT			51-85160	54-pin TSOPII		Industrial

	CY14B108M-ZSP45XI			51-85160	54-pin TSOPII

All parts are Pb-free. The above table contains Preliminary information. Contact your local Cypress sales representative for availability of these parts.

Document #: 001-47378 Rev. **

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Cypress CY14B108K, CY14B108M manual Ordering Information

Contents

Functional Description FeaturesLogic Block Diagram1, 2 Cypress Semiconductor Corporation Pinouts Sram Write Device OperationSram Read AutoStore Operation Software Recall Hardware Recall Power UpHardware Store HSB Operation Software Store Preventing AutoStore Mode SelectionA15 A05 Mode Power Store Data Protection Best Practices Noise Considerations Real Time Clock Operation Calibrating the Clock AlarmWatchdog Timer Interrupts Power MonitorInterrupt Register Flags Register PFE Power Fail Enable WDF Watchdog Timer FlagPF Power Fail Flag AF Alarm Flag WDF Oscf OscenWDS 0xFFFF9 0x7FFF9 Time Keeping Seconds For the register is 0 to Write only. Reading it always returns a 0xFFFF5 0x7FFF5 Alarm DayTime-base 0xFFFF6 0x7FFF6 Interrupt Status/Control Watchdog 0xFFFF2 0x7FFF2 Alarm SecondsCenturies 0xFFFF0 0x7FFF0 Flags This condition and write 0 to clear this flag Maximum Ratings DC Electrical CharacteristicsRange Ambient Temperature Operating Range Thermal Resistance Data Retention and EnduranceCapacitance AC Test Conditions RTC Battery Pin Voltage RTC Backup CurrentHot Temperature 85 oC RTC Capacitor Pin Voltage TOCS RTC Oscillator Time to Start Parameters Sram Read Cycle AC Switching CharacteristicsSwitching Waveforms Sram Write Cycle Address Address Valid Data Output High Impedance Output Data ValidStandby Active Data Input Input Data Valid Not applicable for RTC register writes Data Input Data OutputInput Data Valid High Impedance 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 Description 20 ns 25 ns 45 ns Unit Min To Output Active Time when write latch not setHardware Store Cycle Hardware Store Pulse Width Inputs and Outputs Mode Power For x8 ConfigurationFor x16 Configuration Truth Table For Sram Operations Nvsram Part Numbering Nomenclature CY14 B 108 K ZS P 20 X C TZS Tsop Ordering Information Package Diagrams Pin Tsop II 51-85160 New Data Sheet Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products PSoC Solutions Document History