Cypress CY14B104M, CY14B104K RTC Backup Current, Hot Temperature 85 oC, RTC Battery Pin Voltage

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PRELIMINARY

CY14B104K, CY14B104M

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 6. RTC Characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parameters

Description

 

Test Conditions

 

Min

Typ

Max

Units

IBAK[15]

RTC Backup Current

 

Room Temperature (25oC)

 

 

 

300

nA

 

 

 

 

 

Hot Temperature (85oC)

 

 

 

450

nA

VRTCbat

RTC Battery Pin Voltage

 

 

 

1.8

3.0

3.3

V

VRTCcap

RTC Capacitor Pin Voltage

 

 

 

1.5

3.0

3.6

V

tOCS

RTC Oscillator Time to Start

 

 

 

 

1

2

sec

 

 

 

 

 

 

 

 

 

 

 

 

Notes

15. From either VRTCcap or VRTCbat.

Document #: 001-07103 Rev. *K

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Contents Functional Description FeaturesCypress Semiconductor Corporation 198 Champion Court Pinouts Device Operation Sram ReadSram Write AutoStore OperationHardware Recall Power Up Hardware Store HSB OperationSoftware Recall Software StoreMode Selection A15 A06 Mode PowerPreventing AutoStore StoreNoise Considerations Data ProtectionReal Time Clock Operation Watchdog Timer AlarmCalibrating the Clock Power Monitor Interrupt RegisterInterrupts Flags RegisterWDF Watchdog Timer Flag PF Power Fail FlagPFE Power Fail Enable AF Alarm FlagWDS OscenWDF Oscf 0x7FFF9 0x3FFF9 Time Keeping Seconds For the register is0x7FFF5 0x3FFF5 Alarm Day Time-baseWatchdog Write only. Reading it always returns a0x7FFF2 0x3FFF2 Alarm Seconds Centuries 0x7FFF0 0x3FFF0 FlagsThis condition and write 0 to clear this flag Document # 001-07103 Rev. *KDC Electrical Characteristics Range Ambient TemperatureMaximum Ratings Operating RangeData Retention and Endurance CapacitanceThermal Resistance AC Test ConditionsRTC Backup Current Hot Temperature 85 oCRTC Battery Pin Voltage RTC Capacitor Pin Voltage TOCS RTC Oscillator Time to StartAC Switching Characteristics Switching WaveformsParameters Sram Read Cycle Sram Write CycleData Output High Impedance Output Data Valid Standby ActiveAddress Valid Data Input Input Data ValidData Input Data Output Input Data Valid High ImpedanceNot applicable for RTC register writes Address Address ValidAutoStore/Power Up Recall Parameters Description 20 ns 25 ns 45 ns Unit Min MaxSoftware 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 WidthFor x8 Configuration For x16 ConfigurationInputs and Outputs Mode Power Truth Table For Sram OperationsZS Tsop Part Numbering Nomenclature CY14 B 104 K ZS P 20 X C TNvsram Ordering Information Package Diagrams Pin Tsop II51-85160 Document History TUPPCI UHAGVCH/PYRS Added 20 ns access speed in Features Footnote 1 and 8 referenced for Mode selection Table6 updated Data protection description 6 Updated Starting and stopping the oscillator descriptionWorldwide Sales and Design Support Products PSoC Solutions Sales, Solutions, and Legal InformationUSB
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