Electronic Components Datasheet Search |
|
PT7C43390WEX Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
|
PT7C43390WEX Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
1 / 38 page ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Real-time Clock Module 2015-12-0001 PT0280-8 12/11/15 1 PT7C43390/43390C Features Low current consumption: 0.3µA typ. (V DD=3.0V, TA = 25°C) Wide operating voltage range: 1.35 to 5.5 V Minimum time keeping operation voltage: 1.25 V Built-in clock adjustment function Built-in free user register 2-wire (I2C-bus) CPU interface Built-in alarm interrupter Built-in flag generator at power down or power on Auto calendar up to the year 2099, automatic leap year calculation function Built-in constant voltage circuit Built-in 32 kHz crystal oscillator circuit Built-in 32 kHz crystal for PT7C43390C Package: SOIC-8L, TSSOP-8L, and TDFN2x3-8L for PT7C43390; TDFN4x4-8L for PT7C43390C Applications Mobile game device, mobile phone Industrial control Electronic power meter DVD recorder Car navigation IP Camera, DVR, NVR Description The PT7C43390 is a CMOS I 2C-bus real-time clock IC, which operates with the very low current consumption and in the wide range of operation voltage. The operation voltage is 1.35 V to 5.5 V so that the RTC can be used for various power supplies from main supply to backup battery. In the system which operates with a backup battery, the included free registers can be used as the function for user’s backup memory. Users always can take back the information in the registers which is stored before power-off the main power supply, after the voltage is restored. The IC has the function to correct advance / delay of the clock data speed, in the wide range, which is caused by the oscillation circuit’s frequency deviation. Correcting according to the temperature change by combining this function and a temperature sensor, it is possible to make a high precise clock function which is not affected by the ambient temperature. Function Table Item Function PT7C43390 PT7C43390C 1 Oscillator Source Crystal * External crystal Integral crystal 2 Time Time display 12-hour 24-hour 3 Interrupt Alarm interrupt pin output 2 2 Timer interrupt output 4 Programmable square wave output (Hz) 1Hz,2Hz,4Hz 8Hz,16Hz 32kHz 1Hz,2Hz,4Hz 8Hz,16Hz 32kHz 5 Communication 2-wire I 2C bus Burst mode 6 Control IC test mode Power-on detector Power supply voltage detector 7 Clock calibration 80 Free register access |
Similar Part No. - PT7C43390WEX |
|
Similar Description - PT7C43390WEX |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |