RTC obvody

Obvod reálného času DIL8

Trickle-Charge Timekeeping Chip, real time clock, serial I/O, 2.0V to 5.5V, SO8 (150mils)

RTC obvod, 96B RAM, SPI sběrnice, Vcc 2.0-5.5 V, t=0..70°C, TSSOP20

Real-Time Clock, Battery-Backed NV RAM 56 byte, I2C serial interface, -40°C to 85°C, SO08

I2C RTC with 56-Byte NV RAM 3.3V -40°C to +85°C 8-USOP

I2C RTC/Supervisor with Trickle Charger and 512 Bytes EEPROM, SO-8

Extremely Accurate I2C-Integrated RTC/TCXO/Crystal, SO16W (0,295", 7,50mm Width) Accuracy ±2ppm from 0°C to +40°C Accuracy ±3.5ppm from -40°C to +85°C Battery Backup Input for Continuous Timekeeping Operating Temperature Ranges Commercial: 0°C to +70°C Industrial: -40°C to +85°C Low-Power Consumption Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100 Two Time-of-Day Alarms Programmable Square-Wave Output Fast (400kHz) I2C Interface 3.3V Operation Digital Temp Sensor Output: ±3°C Accuracy Register for Aging Trim Active-Low RST Output/Pushbutton Reset Debounce Input

Real Time Clock/Calendar with 512x8bit EEPROM, I2C interface, -40°C to 85°C, SO08

Real Time Clock/Calendar with 512x8bit EEPROM, I2C interface, reset volatge 4,38V, -40°C to 85°C, SO08

Serial access TIMEKEEPER, 2,0 - 5,5 V, ultra low power, I2C, -40°C to 85°C

Obvod reálného času- sériový. Vcc=2.0..5.5V, -40..+85°C, SO8

SRAM s baterií PCDIP28

SRAM+časovač 8kx8 100ns, SOH28, (podpůrný obvod SNAPHAT - M4T32-BR12SH1=lithium baterie+krystal )-959-401

SRAM s baterií 70ns a RTC, 2040 x 8bitu SRAM,v posledních 8bytech jsou hodiny reálného casu

SRAM s baterií, pouzdro PCDIP28, Paměť zálohované RTC+SRAM 8Kx8 100ns 0-70° DIP28

SRAM 2Kx8 70ns + timer

SRAM 2Kx8 250ns + timer

5V, 256Kbit (32Kb x 8) Timekeeper SRAM

CMOS Real Time Clock (RTC) and calendar, SO20 Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors Typical accuracy: ±3 ppm from -15 ? to +60 ? Integration of a 32.768 kHz quartz crystal and oscillator in the same package Provides year, month, day, weekday, hours, minutes, and seconds Timestamp function with interrupt capability detection of two different events on one multilevel input pin (e.g. for tamper detection) Two line bidirectional 400 kHz Fast-mode I2C-bus interface (IOL = 3 mA at pin SDA/CE) 3 line SPI-bus with separate data input and output (maximum speed 6.5 Mbit/s) Battery backup input pin and switch-over circuitry Battery backed output voltage pin Battery low detection function Extra power fail detection function with input and output pins Power-On Reset Override (PORO) Oscillator stop detection function Interrupt output (open-drain) Programmable 1 second or 1 minute interrupt Programmable watchdog timer with interrupt and reset capability Programmable alarm function with interrupt capability Programmable square wave open-drain output pin Clock operating voltage: 1.2 V to 4.2 V Low supply current: typical 0.65 µA at VDD = 3.0 V and Tamb = 25 ? Automatic leap year correction

Real time clock/calendar with serial IO, SMD SO16

SRAM 256x8Bit,hodiny,kalendář, sběrnice I2C DIL8

RTC DIP8

RTC obvod, I2C sběrnice, SO8

RT-CLOCK 10PPM MIT QUARZ, DIP18

Hodinový obvod s krystalem

RTC 4Bit Alarm/Timer 23ppm DIP18

RTC 4Bit Alarm/Timer 23ppm SOP24

Paměť SRAM HS AS 3,3V 512k x8 15ns pouzdro SOJ36