M41ST87Y datasheet(1/42 Pages) STMICROELECTRONICS

tên linh kiện	M41ST87Y

Giải thích chi tiết về linh kiện	5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection

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March 2006

M41ST87Y

M41ST87W

5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC

and NVRAM Supervisor with Tamper Detection

Rev 6

FEATURES SUMMARY

■

5.0, 3.3, OR 3.0V OPERATING VOLTAGE

■

SERIAL INTERFACE SUPPORTS I2C BUS

(400kHz)

■

NVRAM SUPERVISOR FOR EXTERNAL

LPSRAM

■

2.5 TO 5.5V OSCILLATOR OPERATING

VOLTAGE

■

AUTOMATIC SWITCH-OVER AND

DESELECT CIRCUITRY

■

CHOICE OF POWER-FAIL DESELECT

VOLTAGES

–

M41ST87Y:

VCC = 4.75 to 5.5V;

THS Bit = '1': 4.50V

≤ VPFD ≤ 4.75V

VCC = 4.5 to 5.5V;

THS Bit = '0': 4.20V

≤ VPFD ≤ 4.50V

–

M41ST87W:

VCC = 3.0 to 3.6V;

THS Bit = '1': 2.8V

≤ VPFD ≤ 3.0V

VCC = 2.7 to 3.6V;

THS Bit = '0': 2.55V

≤ VPFD ≤ 2.70V

■

TWO INDEPENDENT POWER-FAIL

COMPARATORS (1.25V REFERENCE)

■

COUNTERS FOR TENTHS/HUNDREDTHS

OF SECONDS, SECONDS, MINUTES,

HOURS, DAY, DATE, MONTH, YEAR, AND

CENTURY

■

128 BYTES OF GENERAL PURPOSE RAM

■

PROGRAMMABLE ALARM AND

INTERRUPT FUNCTION (VALID EVEN

DURING BATTERY BACK-UP MODE)

■

PROGRAMMABLE WATCHDOG TIMER

■

UNIQUE ELECTRONIC SERIAL NUMBER

(8-BYTE)

■

32kHz FREQUENCY OUTPUT AVAILABLE

UPON POWER-ON

■

MICROPROCESSOR POWER-ON RESET

■

BATTERY LOW FLAG

■

ULTRA-LOW BATTERY SUPPLY CURRENT

OF 500nA (TYP)

SECURITY FEATURES

■

TAMPER INDICATION CIRCUITS WITH

TIMESTAMP AND RAM CLEAR

■

LPSRAM CLEAR FUNCTION (TPCLR)

■

PACKAGING INCLUDES A 28-LEAD,

EMBEDDED CRYSTAL SOIC

■

OSCILLATOR STOP DETECTION

Figure 1. Package

28-pin, (300mil)

SOX28 (MX)

EMBEDDED Crystal

Số phần tương tự - M41ST87Y

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	M41ST87Y	695Kb / 52P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 31-Mar-2010
	M41ST87YMX6	461Kb / 48P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 10-Sep-2008
	M41ST87YMX6	695Kb / 52P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 31-Mar-2010
	M41ST87YMX6F	695Kb / 52P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 31-Mar-2010
	M41ST87YMX6F	1Mb / 54P	5.0 and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 19-May-2016

More results

Mô tả tương tự - M41ST87Y

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
STMicroelectronics	M41ST84Y	452Kb / 31P	5.0 or 3.0V, 512 bit 64 x 8 SERIAL RTC with SUPERVISORY FUNCTIONS Rev. 4.0
	M41ST85Y	530Kb / 34P	5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR Sep-2004
	M41ST95W	545Kb / 35P	5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor Sep-2004
	M41ST85W	606Kb / 34P	3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor Jan-2006
	M41ST85W	369Kb / 41P	3.0/3.3V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor 03-Oct-2007
	M41ST87Y	461Kb / 48P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 10-Sep-2008
	M41ST87Y	695Kb / 52P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 31-Mar-2010
	M48T201Y	317Kb / 37P	5.0 or 3.3 V TIMEKEEPER® supervisor 23-Mar-2009
	M41ST85W	450Kb / 43P	3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor 03-Oct-2011
	M41ST87W	787Kb / 54P	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM 03-Oct-2011

More results

M41ST87Y bảng dữ liệu(PDF) 1 Page - STMicroelectronics

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Số phần tương tự - M41ST87Y

Mô tả tương tự - M41ST87Y

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