M48T201V datasheet(1/33 Pages) STMICROELECTRONICS

部件名	M48T201V

功能描述	3.3V-5V TIMEKEEPER CONTROLLER

PDF	33 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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September 2004

M48T201Y

M48T201V

5.0 or 3.3V TIMEKEEPER® Supervisor

FEATURES SUMMARY

■

CONVERTS LOW POWER SRAM INTO

NVRAMs

■

YEAR 2000 COMPLIANT

■

BATTERY LOW FLAG

■

INTEGRATED REAL TIME CLOCK, POWER-

FAIL CONTROL CIRCUIT, BATTERY AND

CRYSTAL

■

WATCHDOG TIMER

■

CHOICE OF WRITE PROTECT VOLTAGES

(VPFD = Power-fail Deselect Voltage):

–

M48T201Y: VCC = 4.5 to 5.5V

4.1V

≤ VPFD ≤ 4.5V

–

M48T201V: VCC = 3.0 to 3.6V

2.7V

≤ VPFD ≤ 3.0V

■

MICROPROCESSOR POWER-ON RESET

(Valid even during battery back-up mode.)

■

PROGRAMMABLE ALARM OUTPUT

ACTIVE IN THE BATTERY BACKED-UP

MODE

■

PACKAGING INCLUDES A 44-LEAD SOIC

AND SNAPHAT® TOP (to be ordered

separately)

■

SOIC PACKAGE PROVIDES DIRECT

CONNECTION FOR A SNAPHAT® TOP

WHICH CONTAINS THE BATTERY AND

CRYSTAL

Figure 1. Package

SOH44 (MH)

44-pin SOIC

SNAPHAT (SH)

Crystal/Battery

44

1

类似零件编号 - M48T201V

制造商	部件名	数据表	功能描述
STMicroelectronics	M48T201V	318Kb / 35P	5.0 or 3.3V TIMEKEEPER짰 supervisor 12-Sep-2007
	M48T201V	317Kb / 37P	5.0 or 3.3 V TIMEKEEPER® supervisor 23-Mar-2009
	M48T201V-70MH1	318Kb / 35P	5.0 or 3.3V TIMEKEEPER짰 supervisor 12-Sep-2007
	M48T201V-70MH1	317Kb / 37P	5.0 or 3.3 V TIMEKEEPER® supervisor 23-Mar-2009
	M48T201V-70MH1E	317Kb / 37P	5.0 or 3.3 V TIMEKEEPER® supervisor 23-Mar-2009

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