AN934 Search Results

MK48T08

Abstract: MK48T18 AN934 MK48T m48t35 M48T02 M48T12 M48T86 MK48T02 MK48T12
Contextual Info: AN934 APPLICATION NOTE TIMEKEEPER Calibration The term “quartz accurate” has become a familiar phrase used to describe the accuracy of many time keeping functions. Quartz oscillators provide an accuracy far superior to other conventional oscillator designs, but they are not perfect. Quartz crystals are sensitive to temperature variations. Figure 1 shows the

MK48T08

Abstract: MK48T18 AN934 m48t08 m48t35 MK48T MK48T12 M48T02 M48T12 M48T86
Contextual Info: AN934 APPLICATION NOTE TIMEKEEPER Calibration The term “quartz accurate” has become a familiar phrase used to describe the accuracy of many time keeping functions. Quartz oscillators provide an accuracy far superior to other conventional oscillator designs, but they are not perfect. Quartz crystals are sensitive to temperature variations. Figure 1 shows the

AN934

Abstract: M41T00S 512HZ m48t35 M48T02 M48T12 M48T86
Contextual Info: AN934 APPLICATION NOTE TIMEKEEPER Calibration INTRODUCTION The term “quartz accurate” has become a familiar phrase used to describe the accuracy of many time keeping functions. Quartz oscillators provide an accuracy far superior to other conventional oscillator designs, but they are not perfect. Quartz crystals are sensitive to temperature variations. Figure 1 shows the

AN934

Abstract: AN-934 m48t35 M48T02 M48T12 M48T86 M41T56
Contextual Info: AN934 APPLICATION NOTE TIMEKEEPER Calibration INTRODUCTION The term “quartz accurate” has become a familiar phrase used to describe the accuracy of many time keeping functions. Quartz oscillators provide an accuracy far superior to other conventional oscillator designs, but they are not perfect. Quartz crystals are sensitive to temperature variations. Figure 1 shows the

Contextual Info: AN934 Application note How to use the digital calibration feature in and serial real-time clock RTC products TIMEKEEPER Introduction The term “quartz accurate” has become a familiar phrase used to describe the accuracy of many time keeping functions. Quartz oscillators provide an accuracy far superior to other

Contextual Info: M41T81S Serial access real-time clock RTC with alarms Datasheet − production data Features • ■ Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century 32 KHz crystal oscillator with integrated load capacitance (12.5 pf) which provides

SOX28

Abstract: KDS Crystals DOC KDS Crystals through hole
Contextual Info: M41ST87Y M41ST87W 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM Features Embedded crystal • 5.0, 3.3, or 3.0 V operation ■ 400 kHz I2C bus ■ NVRAM supervisor to non-volatize external

44-PIN

Abstract: M48T129V M48T129Y
Contextual Info: M48T129Y M48T129V 5.0 or 3.3V, 1 Mbit 128 Kbit x 8 TIMEKEEPER SRAM FEATURES SUMMARY • INTEGRATED, ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY, and CRYSTAL ■ YEAR 2000 COMPLIANT ■ BCD CODED CENTURY, YEAR, MONTH, DAY, DATE, HOURS, MINUTES, and

M48T35Y

Abstract: M48T35 SOH28
Contextual Info: M48T35 M48T35Y 5.0V, 256 Kbit 32 Kb x 8 TIMEKEEPER SRAM FEATURES SUMMARY • INTEGRATED, ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY ■ BYTEWIDE RAM-LIKE CLOCK ACCESS ■ BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES, and SECONDS

M41ST84W

Abstract: M41ST84Y M4TXX-BR12SH SOH28 KDS Crystals 8.192
Contextual Info: M41ST84Y M41ST84W 5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS FEATURES SUMMARY • 5.0 OR 3.0V OPERATING VOLTAGE I2C Figure 1. 16-pin SOIC Package ■ SERIAL INTERFACE SUPPORTS (400 KHz) BUS ■ OPTIMIZED FOR MINIMAL INTERCONNECT TO MCU

M48T59

Abstract: M48T59V M48T59Y M4T28-BR12SH M4T32-BR12SH SOH28
Contextual Info: M48T59 M48T59Y/M48T59V* 5.0 or 3.3V, 64 Kbit 8 Kbit x 8 TIMEKEEPER SRAM FEATURES SUMMARY • INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, and BATTERY ■ FREQUENCY TEST OUTPUT FOR REAL TIME CLOCK SOFTWARE CALIBRATION ■

M48T512V

Abstract: M48T512Y
Contextual Info: M48T512Y M48T512V* 5.0 or 3.3V, 4 Mbit 512 Kbit x 8 TIMEKEEPER SRAM FEATURES SUMMARY • INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY, and CRYSTAL ■ BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES, and SECONDS

M48T212V

Abstract: M48T212Y M4TXX-BR12SH MTD20P06HDL SOH44
Contextual Info: M48T212Y M48T212V 5.0V OR 3.3V TIMEKEEPER SUPERVISOR FEATURES SUMMARY • INTEGRATED REAL TIME CLOCK, POWERFAIL CONTROL CIRCUIT, BATTERY and CRYSTAL ■ CONVERTS LOW POWER SRAM INTO NVRAMs ■ YEAR 2000 COMPLIANT 4-Digit Year ■ BATTERY LOW FLAG ■ MICROPROCESSOR POWER-ON RESET

AN1572

Abstract: M41T94 M4TXX-BR12SH SOH28 ST10
Contextual Info: M41T94 Serial Real Time Clock with 44Bytes NVRAM and Reset Feature summary • Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century ■ 32KHz crystal oscillator integrating load capacitance 12.5pF providing exceptional

M48T58

Abstract: M48T58Y SOH28
Contextual Info: M48T58 M48T58Y 64 Kbit 8Kb x8 TIMEKEEPER SRAM INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY BYTEWIDE RAM-LIKE CLOCK ACCESS BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES and SECONDS FREQUENCY TEST OUTPUT for REAL TIME

M68Z128Y

Abstract: Lithium Battery
Contextual Info: M41ST85Y M41ST85W 512 bit 64b x 8 Serial Access RTC and NVRAM SUPERVISOR PRELIMINARY DATA • 3V OR 5V OPERATING VOLTAGE ■ SERIAL INTERFACE SUPPORTS I2C BUS (400 KHz) ■ NVRAMSUPERVISORfor EXTERNAL LPSRAM ■ OPTIMIZED for MINIMAL INTERCONNECT to MCU

kds 1555

Abstract: M4T28-BR12 KDS Crystals DMX-26
Contextual Info: M41T94 512 bit 64b x 8 Serial RTC (SPI) SRAM PRELIMINARY DATA • 2.7 TO 5.5V OPERATING VOLTAGE ■ SERIAL PERIPHERAL INTERFACE (SPI) ■ 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE ■ AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY ■ CHOICE of POWER-FAIL DESELECT

Contextual Info: M48T212Y M48T212V 5V/3.3V TIMEKEEPER CONTROLLER • CONVERTS LOW POWER SRAM into NVRAMs ■ YEAR 2000 COMPLIANT 4-Digit Year ■ BATTERY LOW FLAG ■ INTEGRATED REAL TIME CLOCK, POWER-FAIL CONTROL CIRCUIT, BATTERY and CRYSTAL ■ AUTOMATIC POWER-FAIL CHIP DESELECT

M48T35

Abstract: STMicroelectronics
Contextual Info: M48T35 M48T35Y 5 V, 256 Kbit 32 Kb x 8 TIMEKEEPER SRAM Features • Integrated, ultra low power SRAM, real-time clock, power-fail control circuit and battery ■ BYTEWIDE RAM-like clock access ■ BCD coded year, month, day, date, hours, minutes, and seconds

AN1012

Abstract: M41T256Y SOH44
Contextual Info: M41T256Y 256 Kbit 32K x8 Serial RTC Features • 5V Operating voltage ■ Serial interface supports extended I2C bus addressing (400kHz) ■ Automatic switchover and deselect circuitry ■ Power-fail deselect voltages: – M41T256Y: VCC = 4.5 V to 5.5V;

CLOCK GENERATOR 1HZ

Abstract: quartz kds M41ST84W AN1012 ABE smd
Contextual Info: M41ST84W 3.0/3.3V I2C Serial RTC with Supervisory Functions KEY FEATURES • ■ ■ ■ ■ AUTOMATIC BATTERY SWITCHOVER and DESELECT – Power-fail Deselect, VPFD = 2.60V nom – Switchover, VSO = 2.50V (nom) 400kHz I2C SERIAL INTERFACE 3.0/3.3V OPERATING VOLTAGE

48T58

Contextual Info: rZ T SGS-THOMSON M 48T58 M 48T58Y ^ 7 # . ra D W H H H O T M D E i 64K 8Kx 8 TIMEKEEPER SRAM • INTEGRATED ULTRA LOW POWER SRAM, REALTIM E CLOCK, POWER-FAIL CONTROL CIRCUIT and BATTERY ■ BYTEWIDE RAM-LIKE CLOCK ACCESS ■ BCD CODED YEAR, MONTH, DAY, DATE,

Contextual Info: 64K 8K x8 TIMEKEEPER SRAM with ADDRESS/DATA MULTIPLEXED • SOFTWARE and HARDWARE RESET for WATCHDOG TIMER > REGISTER COMPATIBLE with M48T59 TIM EKEEPERSRAM ■ ADDRESS/DATA MULTIPLEXED I/O PINS ■ WATCHDOG TIMER - MONITORS OUT of CONTROL PROCESSOR or HUNG BUS

KDS Crystals 32.768

Abstract: KDS 70 Crystals KDS 32kHZ crystal KDS Crystals DOC quartz kds kds real time clock NVRAM DMX-26S KDS 48 MHZ crystal oscillator KDS 8 MHZ crystal
Contextual Info: M41ST87Y M41ST87W 5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM Features Embedded crystal • 5.0, 3.3, or 3.0 V operation ■ 400 kHz I2C bus ■ NVRAM supervisor to non-volatize external