M48T201Y-85MH1 datasheet(1/35 Pages) STMICROELECTRONICS

Part #	M48T201Y-85MH1

Description	5.0 or 3.3V TIMEKEEPER짰 supervisor

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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1 / 35 page

September 2007

Rev 5

1/35

1

M48T201Y

M48T201V

5.0 or 3.3V TIMEKEEPER® supervisor

Features

■ 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

■ RoHS compliant

– Lead-free second level interconnect

44

1

SOH44 (MH)

44-pin SOIC

SNAPHAT (SH)

Crystal/Battery

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Similar Description - M48T201Y-85MH1

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	M48T201Y	317Kb / 37P	5.0 or 3.3 V TIMEKEEPER짰 supervisor
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	M48T59	378Kb / 32P	5.0 or 3.3 V, 64 Kbit (8 Kbit x 8) TIMEKEEPER짰 SRAM
	M48T128Y	364Kb / 23P	5.0 or 3.3 V, 1 Mbit (128 Kb x 8) TIMEKEEPER짰 SRAM
	M48T512Y	376Kb / 23P	5.0 or 3.3 V, 4 Mbit (512 Kbit x 8) TIMEKEEPER짰 SRAM
	M48T129Y	445Kb / 28P	5.0 or 3.3 V, 1 Mbit (128 Kbit x 8) TIMEKEEPER짰 SRAM
	M48T37Y	521Kb / 30P	5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER짰 SRAM
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M48T201Y-85MH1 Datasheet(PDF) 1 Page - STMicroelectronics

M48T201Y-85MH1 Datasheet(HTML) 1 Page - STMicroelectronics

Similar Part No. - M48T201Y-85MH1

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