M41T94 datasheet(1/31 Pages) STMICROELECTRONICS

부품명	M41T94

상세설명	512 Bit 64 bit x8 SERIAL RTC SPI SRAM

PDF	31 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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June 2003

Rev. 2.0

M41T94

512 Bit (64 bit x8) SERIAL RTC (SPI) SRAM

FEATURES SUMMARY

s

2.7 TO 5.5V OPERATING VOLTAGE

s

SERIAL PERIPHERAL INTERFACE (SPI)

s

2.5 TO 5.5V OSCILLATOR OPERATING

VOLTAGE

s

AUTOMATIC SWITCH-OVER and DESELECT

CIRCUITRY

s

CHOICE OF POWER-FAIL DESELECT

VOLTAGES (VCC = 2.7 to 5.5V):

–THS = VSS; 2.55V ≤ VPFD ≤ 2.70V

–THS = VCC; 4.20V ≤ VPFD ≤ 4.50V

s

COUNTERS FOR TENTHS/HUNDREDTHS

OF SECONDS, SECONDS, MINUTES,

HOURS, DAY, DATE, MONTH, YEAR, and

CENTURY

s

44 BYTES OF GENERAL PURPOSE RAM

s

PROGRAMMABLE ALARM and INTERRUPT

FUNCTION (VALID EVEN DURING BATTERY

BACK-UP MODE)

s

WATCHDOG TIMER

s

MICROPROCESSOR POWER-ON RESET

s

BATTERY LOW FLAG

s

LOW OPERATING CURRENT OF 2.0mA

s

ULTRA-LOW BATTERY SUPPLY CURRENT

OF 500nA (MAX)

s

PACKAGING INCLUDES A 28-LEAD SOIC and

SNAPHAT® TOP (to be ordered separately) or

16-LEAD SOIC

s

28-LEAD SOIC PACKAGE PROVIDES

DIRECT CONNECTION FOR A SNAPHAT

TOP WHICH CONTAINS THE BATTERY and

CRYSTAL

Figure 1. 16-pin SOIC Package

Figure 2. 28-pin SOIC Package

16

1

SO16 (MQ)

28

1

SOH28 (MH)

SNAPHAT (SH)

Battery & Crystal

유사한 부품 번호 - M41T94

제조업체	부품명	데이터시트	상세설명
STMicroelectronics	M41T94	328Kb / 40P	Serial Real Time Clock with 44Bytes NVRAM and Reset 29-Aug-2006
	M41T94	346Kb / 41P	Serial real-time clock with 44 bytes NVRAM and reset 09-Nov-2007
	M41T94	358Kb / 41P	Serial real-time clock with 44 bytes NVRAM and reset 13-Jan-2009
	M41T94MH6	328Kb / 40P	Serial Real Time Clock with 44Bytes NVRAM and Reset 29-Aug-2006
	M41T94MH6E	328Kb / 40P	Serial Real Time Clock with 44Bytes NVRAM and Reset 29-Aug-2006

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유사한 설명 - M41T94

제조업체	부품명	데이터시트	상세설명
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
	M41T256Y	522Kb / 27P	256 Kbit 32K x8 SERIAL RTC Jun-2004
	M41T56	254Kb / 28P	512 bit 64b x8 Serial Access TIMEKEEPER SRAM 09-Oct-2006
	MK41T56	102Kb / 15P	512 bit 64b x8 Serial Access TIMEKEEPER SRAM Mar-1999
	M41ST95W	545Kb / 35P	5.0 or 3.0V, 512 bit (64 bit X 8) Serial RTC (SPI) SRAM and NVRAM Supervisor Sep-2004
Cypress Semiconductor	CY14B512Q1	1Mb / 27P	512-Kbit (64 K 횞 8) Serial (SPI) nvSRAM
	CY14B512Q1	1Mb / 27P	512-Kbit (64 K 횞 8) Serial (SPI) nvSRAM
	CY14B512Q1	1Mb / 27P	512-Kbit (64 K x 8) Serial (SPI) nvSRAM
Microchip Technology	23A640	611Kb / 28P	64-Kbit SPI Bus Low-Power Serial SRAM Revision F 07/2022

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M41T94 데이터시트(PDF) 1 Page - STMicroelectronics

M41T94 데이터시트(HTML) 1 Page - STMicroelectronics

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