M48T37Y datasheet(1/29 Pages) STMICROELECTRONICS

Part #	M48T37Y

Description	3.3V-5V 256 Kbit 32Kb x8 TIMEKEEPER SRAM

PDF	29 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

1 / 29 page

1/29

February 2006

M48T37Y

M48T37V

5.0 or 3.3V, 256 Kbit (32 Kbit x8) TIMEKEEPER® SRAM

Rev 6.0

FEATURES SUMMARY

■

INTEGRATED ULTRA-LOW POWER SRAM,

REAL TIME CLOCK, POWER-FAIL

CONTROL CIRCUIT, AND BATTERY

■

FREQUENCY TEST OUTPUT FOR REAL

TIME CLOCK SOFTWARE CALIBRATION

■

YEAR 2000 COMPLIANT

■

AUTOMATIC POWER-FAIL CHIP

DESELECT and WRITE PROTECTION

■

WATCHDOG TIMER

■

WRITE PROTECT VOLTAGE

(VPFD = Power-Fail Deselect Voltage):

–

M48T37Y: VCC = 4.5 to 5.5V

4.2V

≤ VPFD ≤ 4.5V

–

M48T37V: VCC = 3.0 to 3.6V

2.7V

≤ VPFD ≤ 3.0V

■

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

■

MICROPROCESSOR POWER-ON RESET

(Valid even during battery back-up mode)

■

PROGRAMMABLE ALARM OUTPUT

ACTIVE IN THE BATTERY BACK-UP MODE

■

BATTERY LOW FLAG

■

RoHS COMPLIANCE

Lead-free components are compliant with the

RoHS directive.

Figure 1. Package

44

1

SNAPHAT (SH)

Battery/Crystal

SOH44 (MH)

44-pin SOIC

Similar Part No. - M48T37Y

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	M48T37Y	521Kb / 30P	5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER짰 SRAM 02-Aug-2010
	M48T37Y-10MH1	521Kb / 30P	5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER짰 SRAM 02-Aug-2010
	M48T37Y-10MH1E	521Kb / 30P	5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER짰 SRAM 02-Aug-2010
	M48T37Y-10MH1F	521Kb / 30P	5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER짰 SRAM 02-Aug-2010
	M48T37Y-10MH1TR	521Kb / 30P	5.0 or 3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER짰 SRAM 02-Aug-2010

More results

Similar Description - M48T37Y

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	M48T128Y	340Kb / 22P	3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM 07-Aug-2002
	M48T129Y	140Kb / 22P	3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM Apr-2000
	M48T35	142Kb / 18P	256 Kbit 32Kb x8 TIMEKEEPER SRAM 07-Feb-2000
	M48T35AY	148Kb / 19P	256 Kbit 32Kb x8 TIMEKEEPER SRAM 29-May-2000
	M48T512Y	301Kb / 21P	3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM Feb-2005
	M48T513Y	145Kb / 23P	3.3V-5V 4 Mbit 512Kb x8 TIMEKEEPER SRAM 20-Jun-2000
	M48T58	135Kb / 17P	64 Kbit 8Kb x8 TIMEKEEPER SRAM Jul-1999
	M48T59	168Kb / 21P	64 Kbit 8Kb x8 TIMEKEEPER SRAM Oct-1999
	M48Z35	135Kb / 18P	256 Kbit 32Kb x8 ZEROPOWER SRAM Aug-1999
	M48Z35AY	125Kb / 16P	256 Kbit 32Kb x8 ZEROPOWER SRAM 20-Apr-2000

More results

M48T37Y Datasheet(PDF) 1 Page - STMicroelectronics

M48T37Y Datasheet(HTML) 1 Page - STMicroelectronics

Similar Part No. - M48T37Y

Similar Description - M48T37Y

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Datasheet Download

Link URL