MK48T08
Abstract: MK48T18 AN934 MK48T m48t35 M48T02 M48T12 M48T86 MK48T02 MK48T12
Text: 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
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AN934
MK48T08
MK48T18
AN934
MK48T
m48t35
M48T02
M48T12
M48T86
MK48T02
MK48T12
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MK48T08
Abstract: MK48T18 AN934 m48t08 m48t35 MK48T MK48T12 M48T02 M48T12 M48T86
Text: 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
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AN934
MK48T08
MK48T18
AN934
m48t08
m48t35
MK48T
MK48T12
M48T02
M48T12
M48T86
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AN934
Abstract: M41T00S 512HZ m48t35 M48T02 M48T12 M48T86
Text: 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
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AN934
768Hz
AN934
M41T00S
512HZ
m48t35
M48T02
M48T12
M48T86
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AN934
Abstract: AN-934 m48t35 M48T02 M48T12 M48T86 M41T56
Text: 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
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AN934
AN934
AN-934
m48t35
M48T02
M48T12
M48T86
M41T56
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PDF
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Untitled
Abstract: No abstract text available
Text: 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
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AN934
768Hz
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Untitled
Abstract: No abstract text available
Text: 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
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M41T81S
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SOX28
Abstract: KDS Crystals DOC KDS Crystals through hole
Text: 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
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M41ST87Y
M41ST87W
M41ST87Y:
M41ST87W:
SOX28
KDS Crystals DOC
KDS Crystals through hole
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44-PIN
Abstract: M48T129V M48T129Y
Text: 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
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M48T129Y
M48T129V
32-pin
M48T129Y:
M48T129V:
44-PIN
M48T129V
M48T129Y
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M48T35Y
Abstract: M48T35 SOH28
Text: 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
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M48T35
M48T35Y
28-pin
M48T35:
M48T35Y:
PCDIP28
M48T35Y
M48T35
SOH28
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M41ST84W
Abstract: M41ST84Y M4TXX-BR12SH SOH28 KDS Crystals 8.192
Text: 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
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M41ST84Y
M41ST84W
16-pin
M41ST84Y:
M41ST84W:
M41ST84W
M41ST84Y
M4TXX-BR12SH
SOH28
KDS Crystals 8.192
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M48T59
Abstract: M48T59V M48T59Y M4T28-BR12SH M4T32-BR12SH SOH28
Text: 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 ■
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M48T59
M48T59Y/M48T59V*
M48T59:
M48T59Y:
M48T59V*
28-pin
M48T59
M48T59V
M48T59Y
M4T28-BR12SH
M4T32-BR12SH
SOH28
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M48T512V
Abstract: M48T512Y
Text: 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
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M48T512Y
M48T512V*
32-pin,
M48T512Y:
PMDIP32
M48T512V
M48T512Y
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M48T212V
Abstract: M48T212Y M4TXX-BR12SH MTD20P06HDL SOH44
Text: 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
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M48T212Y
M48T212V
M48T212Y:
M48T212V:
44-LEAD
44-pin
M48T212V
M48T212Y
M4TXX-BR12SH
MTD20P06HDL
SOH44
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AN1572
Abstract: M41T94 M4TXX-BR12SH SOH28 ST10
Text: 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
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M41T94
44Bytes
32KHz
AN1572
M41T94
M4TXX-BR12SH
SOH28
ST10
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M48T58
Abstract: M48T58Y SOH28
Text: 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
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M48T58
M48T58Y
M48T58:
M48T58Y:
28-LEAD
M48T58
M48T58Y
SOH28
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M68Z128Y
Abstract: Lithium Battery
Text: 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
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M41ST85Y
M41ST85W
M41ST85Y:
M41ST85W:
SOH28
M68Z128Y
Lithium Battery
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kds 1555
Abstract: M4T28-BR12 KDS Crystals DMX-26
Text: 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
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M41T94
kds 1555
M4T28-BR12
KDS Crystals DMX-26
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Untitled
Abstract: No abstract text available
Text: 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
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M48T212Y
M48T212V
SOH44
M48T212Y:
M48T212V:
44-LEAD
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M48T35
Abstract: STMicroelectronics
Text: 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
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M48T35
M48T35Y
M48T35:
M48T35Y:
STMicroelectronics
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AN1012
Abstract: M41T256Y SOH44
Text: 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;
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M41T256Y
400kHz)
M41T256Y:
AN1012
M41T256Y
SOH44
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CLOCK GENERATOR 1HZ
Abstract: quartz kds M41ST84W AN1012 ABE smd
Text: 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
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M41ST84W
400kHz
500nA
16-pin
10ths/100ths
CLOCK GENERATOR 1HZ
quartz kds
M41ST84W
AN1012
ABE smd
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48T58
Abstract: No abstract text available
Text: 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,
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48T58
48T58Y
48T58
PCDIP28
SOH28
48T58Y
M48T58,
M48T58Y
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PDF
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Untitled
Abstract: No abstract text available
Text: 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
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M48T59
SOH28
48T559Y:
M48T559Y
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PDF
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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
Text: 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
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M41ST87Y
M41ST87W
M41ST87Y:
M41ST87W:
KDS Crystals 32.768
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
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