ST Microelectronics M41 fiche technique

No.	Partie #	Fabricant	Description
1	M41T00	ST Microelectronics	serial real time clock ■ For new designs use M41T00S ■ Counters for seconds, minutes, hours, day, month, years, and century ■ 32 kHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance oper
2	M41T63	STMicroelectronics	Serial Access Real-Time Clock summary ■ Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century ■ 32 KHz crystal oscillator integrating load capacitance and high crystal series resistance operation ■ Oscillator stop detection monit
3	M41T315W	STMicroelectronics	Serial access phantom RTC supervisor ■ 3.0V, 3.3V, or 5V operating voltage ■ Real-time clock keeps track of )tenths/hundredths of seconds, seconds, t(sminutes, hours, days, date of the month, cmonths, and years u ■ Automatic leap year correction valid up to 2100 rod ■ Automatic switch-o
4	M41ST85W	ST Microelectronics	5.0 OR 3.0V / 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR SUMMARY s 5.0 OR 3.0V OPERATING VOLTAGE s s SERIAL INTERFACE SUPPORTS I2C BUS (400 KHz) NVRAM SUPERVISOR FOR EXTERNAL LPSRAM OPTIMIZED FOR MINIMAL INTERCONNECT TO MCU 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE AUTOMATIC SWITCH-OVER and DESELECT CIRCU
5	M41T82	ST Microelectronics	Serial I2C bus real-time clock • Ultra-low battery supply current of 365 nA • Factory-calibrated accuracy of ±5 ppm typical after 2 reflows (SOX18) – Much better accuracies achievable using built-in programmable analog and digital calibration circuits • 2.0 V to 5.5 V clock operat
6	M41T83	ST Microelectronics	Serial I2C bus real-time clock • Ultra-low battery supply current of 365 nA • Factory-calibrated accuracy of ±5 ppm typical after 2 reflows (SOX18) – Much better accuracies achievable using built-in programmable analog and digital calibration circuits • 2.0 V to 5.5 V clock operat
7	M41T64	ST Microelectronics	Low-power serial real-time clocks • Serial real-time clock (RTC) with alarm functions – 400 kHz I²C serial interface – Memory mapped registers for seconds, minutes, hours, day, date, month, year, and century – Tenths/hundredths of second register • 350 nA timekeeping current at 3 V •
8	M41T00S	STMicroelectronics	Serial real-time clock • 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 (fixed reference) • VCC = 2.7 to 5.5 V 2.5 V ≤ VPFD ≤ 2.7 V
9	M41ST87W	STMicroelectronics	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor ■ ■ ■ ■ ■ ■ 5.0, 3.3, or 3.0 V operation 400 kHz I2C bus NVRAM supervisor to non-volatize external LPSRAM 2.5 to 5.5 V oscillator operating voltage Automatic switchover and deselect circuitry Choice of power-fail deselect voltages – M41ST87Y: THS =
10	M41T11	STMicroelectronics	Serial real-time clock • Counters for seconds, minutes, hours, day, date, month, years and century • 32 kHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation • Serial interface
11	M41T315Y	STMicroelectronics	Serial access phantom RTC supervisor ■ 3.0V, 3.3V, or 5V operating voltage ■ Real-time clock keeps track of )tenths/hundredths of seconds, seconds, t(sminutes, hours, days, date of the month, cmonths, and years u ■ Automatic leap year correction valid up to 2100 rod ■ Automatic switch-o
12	M41T315V	STMicroelectronics	Serial access phantom RTC supervisor ■ 3.0V, 3.3V, or 5V operating voltage ■ Real-time clock keeps track of )tenths/hundredths of seconds, seconds, t(sminutes, hours, days, date of the month, cmonths, and years u ■ Automatic leap year correction valid up to 2100 rod ■ Automatic switch-o
13	M41ST84W	ST Microelectronics	5.0 or 3.0V / 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS SUMMARY s 5.0 OR 3.0V OPERATING VOLTAGE s Figure 1. 16-pin SOIC Package SERIAL INTERFACE SUPPORTS I2C BUS (400 KHz) OPTIMIZED FOR MINIMAL INTERCONNECT TO MCU 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY CHOI
14	M41ST85Y	ST Microelectronics	5.0 OR 3.0V / 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR SUMMARY s 5.0 OR 3.0V OPERATING VOLTAGE s SERIAL INTERFACE SUPPORTS I2C BUS (400 KHz) s NVRAM SUPERVISOR FOR EXTERNAL LPSRAM s OPTIMIZED FOR MINIMAL INTERCONNECT TO MCU s 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE s AUTOMATIC SWITCH-OVER and DESELECT C
15	M41T0	ST Microelectronics	Serial real-time clock ■ Counters for seconds, minutes, hours, day, date, month, years, and century ■ 32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation ■ Oscillator stop
16	M41T256Y	ST Microelectronics	256 Kbit 32K x8 SERIAL RTC SUMMARY ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 5V OPERATING VOLTAGE SERIAL INTERFACE SUPPORTS EXTENDED I2C BUS ADDRESSING (400kHz) AUTOMATIC SWITCH-OVER AND DESELECT CIRCUITRY POWER-FAIL DESELECT VOLTAGES: – M41T256Y: VCC = 4.5 to 5.5V; VPFD = 4.2 < VPFD
17	M41T81	ST Microelectronics	Serial access real-time clock  For all new designs use M41T81S  Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century  32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability
18	M41T94	ST Microelectronics	512 Bit 64 bit x8 SERIAL RTC SPI SRAM SUMMARY s 2.7 TO 5.5V OPERATING VOLTAGE s s Figure 1. 16-pin SOIC Package SERIAL PERIPHERAL INTERFACE (SPI) 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY CHOICE OF POWER-FAIL DESELECT VOLTAGES (VCC = 2.7 to 5
19	M41T93	ST Microelectronics	Serial SPI bus RTC summary ■ ■ ■ 2.0 to 5.5V clock operating voltage Ultra-low battery supply current of 365nA Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century Programmable clock calibration (analog and digital) 1
20	M41T00SC64	STMicroelectronics	Real-Time Clock 64-Kbit EEPROM ■ 2.7V to 5.5V supply voltage ■ I2C bus compatible ) ■ Operating temperature of –40 to 85°C t(s ■ Packaging includes: uc – 18-lead SOIC (with embedded crystal) d ■ RoHS compliant Pro ) Serial RTC features (M41T00S) te t(s ■ Counters for seconds, mi