ST Manuals
ST M41T00S handbook
The M41T00S is a serial real-time clock with 2.0 to 5.5 V clock operating voltage, counters for seconds, minutes, hours, day, date, month, year, and century, software clock calibration, automatic switchover and deselect circuitry, low operating current of 300 µA, oscillator stop detection, battery or SuperCap™ backup, -40 to 85 °C operating temperature and ultra-low battery supply current of 0.6 µA.
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ST M41T62 M41T63 M41T64 M41T65 handbook
This document describes the features and functions of M41T62, M41T63, M41T64, and M41T65 serial real-time clock (RTC) products, including 400 kHz I2C serial interface, memory mapped registers, timekeeping current, operating voltage range, low-power mode, programmable square wave output, and programmable alarm.
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ST M41T60 handbook
This document describes the features and characteristics of the M41T60 serial access real-time clock, including counters, crystal oscillator, serial interface, low power consumption, etc.
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ST M41ST87Y M41ST87W handbook
M41ST87Y and M41ST87W are 5.0V and 3.3/3.0V secure serial RTC and NVRAM supervisors with tamper detection and 128 bytes of clearable NVRAM. They support various operating voltages, have a 400kHz I2C bus, and feature automatic switchover and deselect circuitry. The products have multiple features, including NVRAM supervisor, counters, programmable alarm and interrupt function, programmable watchdog timer, unique electronic serial number, and low battery supply current.
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ST M41T0 Serial real-time clock handbook
M41T0 is a serial real-time clock produced by ST company, which has counters for seconds, minutes, hours, day, date, month, years, and century, 32KHz crystal oscillator, I2C bus interface, low standby current, 2.0-5.5V clock operating voltage, special software programmable output and other features.
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ST M41T80 Serial access real-time clock with alarm handbook
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ST M41T94 Serial real-time clock with 44 bytes NVRAM reset handbook
M41T94 is a low-power clock chip produced by ST company. Its main features are 44 bytes of NVRAM and reset function, as well as 32KHz crystal oscillator, ultra-low battery supply current, automatic switching and deselection circuit, programmable alarm and interrupt function, accurate programmable watchdog timer, microprocessor power-on reset, choice of power-fail deselect voltage, etc.
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ST M41ST85W 3.0/3.3 V I 2 C combination serial RTC NVRAM supervisor microprocessor supervisor handbook
M41ST85W is a 3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor. It features automatic battery switchover and WRITE protection for internal serial RTC and external low power SRAM (LPSRAM). It also features 400 kHz I2C serial interface, 3.0/3.3 V operating voltage VCC=2.7 to 3.6 V, ultralow battery supply current of 500 nA (max), RoHS compliant, lead-free second level interconnect and so on.
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ST M41T81 Serial access real-time clock with alarm handbook
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ST M48T37Y M48T37V 5.0 or 3.3 V 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM handbook
M48T37Y, M48T37V is an integrated ultra low power SRAM, real-time clock, power-fail control circuit, and battery product produced by ST company. It has frequency test output, automatic power-fail chip deselect and WRITE protection, watchdog timer and other functions.
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ST M48T35AV 3.3 V 256 Kbit (32 Kbit x 8) TIMEKEEPER SRAM handbook
M48T35AV 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM is an integrated, ultra low power SRAM, real-time clock, power-fail control circuit and battery.
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ST M41T56 Serial real-time clock (RTC) with 56 bytes NVRAM handbook
The M41T56 is a 32 KHz serial real-time clock (RTC) with 56 bytes NVRAM
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ST M41T11 Serial real-time clock (RTC) with 56 bytes of NVRAM handbook
This document describes the features and characteristics of a serial real-time clock (RTC) product called M41T11. The product includes counters for seconds, minutes, hours, day, date, month, years, and century, a 32KHz crystal oscillator, support for I2C bus, and ultra-low battery supply current.
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ST M41T00 Serial real-time clock handbook
M41T00 is a low power serial real-time clock with a built-in 32.768 kHz oscillator. It features counters for seconds, minutes, hours, day, month, years, and century, supports I2C bus (100 kHz protocol), operates at a clock voltage of 2.0 to 5.5 V, has an ultra low battery supply current of 0.8 µA, and includes automatic switchover and deselect circuitry, software clock calibration, and automatic leap year compensation.
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ST M48T201Y M48T201V 5.0 or 3.3 V TIMEKEEPER supervisor handbook
This document introduces the features and characteristics of M48T201Y M48T201V 5.0 or 3.3 V TIMEKEEPER® supervisor, including integrated real time clock, power-fail control circuit, battery and crystal, watchdog timer, choice of write protect voltages etc.
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ST TS556 Low-power dual CMOS timer handbook
This document describes the features and characteristics of the TS556 low-power dual CMOS timer, revised in October 2008. It includes very low power consumption, high maximum astable frequency, wide voltage range, reduced supply current spikes during output transitions, high input impedance, and pin-to-pin and functionally compatibility with the bipolar NE556.
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ST TS555 Low power single CMOS timer handbook
TS555 is a single chip CMOS timer with ultra low power consumption, high frequency, wide voltage range, TTL, CMOS and logic MOS compatible output.
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ST M48T35 M48T35Y 5 V 256 Kbit (32 Kb x 8) TIMEKEEPER SRAM handbook
M48T35 and M48T35Y are products that integrate ultra-low-power SRAM, real-time clock, power-fail control circuit, and battery. They have BYTEWIDE RAM-like clock access, BCD-coded year, month, day, date, hours, minutes, and seconds, frequency test output for the real-time clock, automatic power-fail chip deselect, and WRITE protection.
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ST M48T58 M48T58Y 5.0 V 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM handbook
The document describes the features and characteristics of the M48T58 and M48T58Y products, including integrated ultra low-power SRAM, real-time clock, power-fail control circuit, and battery. It also includes BCD coded year, month, day, date, hours, minutes, and seconds, frequency test output for real-time clock, automatic power-fail chip deselect and WRITE protection, WRITE protect voltages, self-contained battery and crystal in the CAPHAT™ DIP package, packaging options, and pin and function compatibility with JEDEC standard 8 Kb x 8 SRAMs.
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ST M48T08 M48T08Y M48T18 5 V 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM handbook
M48T08 is a 5V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM that integrates ultra-low power SRAM, real-time clock, power-fail control circuit, and battery. It features BYTEWIDE™ RAM-like clock access, BCD coded year, month, day, date, hours, minutes, and seconds, typical clock accuracy of ±1 minute a month at 25°C, automatic power-fail chip deselect and WRITE protection, software controlled clock calibration for high accuracy applications, and a self-contained battery and crystal in the CAPHAT™ DIP package.
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