M41ST87YMX6TR datasheet(8/48 Pages) STMICROELECTRONICS

Teilenummer	M41ST87YMX6TR

Bauteilbeschribung	5.0 V and 3.3/3.0 V secure serial RTC and NVRAM supervisor with tamper detection and 128 bytes of clearable NVRAM

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Description

M41ST87Y, M41ST87W

8/48

Table 1.

Signal names

ECON

Conditioned chip enable output

EX

External chip enable

IRQ/OUT(1)

1.

Open drain output

Interrupt/out output (open drain)

PFI1

Power fail input 1

PFI2

Power fail input 2

PFO1

(2)

2.

Programmable output (open drain or full-CMOS)

Power fail output 1

PFO2

(2)

Power fail output 2

RST(1)

Reset output (open drain)

RSTIN1

Reset 1 input

RSTIN2

Reset 2 input

SCL

Serial clock input

SDA

Serial data input/output

SQW/FT(2)

Square wave output/frequency test

WDI

Watchdog input

VCC

Supply voltage

VOUT

Voltage output

VSS

Ground

F32k

(1)

32 kHz square wave output (open drain)

TP1IN

Tamper pin 1 input

TP2IN

Tamper pin 2 input

TPCLR

Tamper pin RAM clear

VBAT

Positive battery pin input

NF(3)

3.

Should be connected to VSS.

No function

NC(3)

No connect

Ähnliche Beschreibung - M41ST87YMX6TR

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
STMicroelectronics	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
	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
	M41ST87W	733Kb / 42P	5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
	M41ST85W	450Kb / 43P	3.0/3.3 V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
	M41ST84W	302Kb / 34P	3.0/3.3 V I2C serial RTC with 44 bytes of NVRAM and supervisory functions
	M41ST85W	369Kb / 41P	3.0/3.3V I2C combination serial RTC, NVRAM supervisor and microprocessor supervisor
	M41ST85W	606Kb / 34P	3.0/3.3V I2C Combination Serial RTC, NVRAM Supervisor and Microprocessor Supervisor
	M41ST85Y	530Kb / 34P	5.0 OR 3.0V, 512 bit 64 x 8 SERIAL RTC and NVRAM SUPERVISOR
	M41T11	231Kb / 30P	Serial real-time clock (RTC) with 56 bytes of NVRAM
	M41T56	483Kb / 27P	Serial real-time clock (RTC) with 56 bytes NVRAM

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