Details, datasheet, quote on part number: M48T512-70PM1
PartM48T512-70PM1
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Description
CompanyN.A.
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Features, Applications

INTEGRATED ULTRA LOW POWER SRAM, REAL TIME CLOCK, POWER-FAIL CONTROL CIR CUIT, BATTERY, AND CRYSTAL BCD CODED YEAR, MONTH, DAY, DATE, HOURS, MINUTES, and SECONDS AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION WRITE PROTECT VOLTAGES: (VPFD = Power-fail Deselect Voltage) M48T512Y: 4.10V VPFD M48T512V: 2.7V VPFD 3.0V CONVENTIONAL SRAM OPERATION; UNLIMITED WRITE CYCLES SOFTWARE CONTROLLED CLOCK CALIBRATION FOR HIGH ACCURACY APPLICATIONS 10 YEARS of DATA RETENTION and CLOCK OPERATION in the ABSENCE OF POWER PIN and FUNCTION COMPATIBLE with INDUSTRY STANDARD X 8 SRAMS SELF-CONTAINED BATTERY and CRYSTAL in DIP PACKAGE

DESCRIPTION The M48T512Y/V TIMEKEEPER« RAM x 8 non-volatile static RAM and real time clock organized as 524,288 words by 8 bits. The special DIP package provides a fully integrated battery back-up memory and real time clock solution. The M48T512Y/V directly replaces industry standard x 8 SRAMs. It also provides the nonvolatility of Flash without any requirement for special write timing or limitations on the number of writes that can be performed.

Complete data available on DATA-on-DISC CD-ROM or at www.st.com

DIP Pin Connections Ordering Information Scheme For a list of available options or for further information on any aspect of this device, please contact the STMicroelectronics Sales Office nearest to you. Example:

Supply Voltage and Write Protect Voltage 512Y VCC to 5.5V VPFD 4.5V 512V VCC to 3.6V VPFD to 3.0V Speed 70ns 85ns Package PM PMDIP32

G W VCC VSS Address Inputs Data Inputs / Outputs Chip Enable Input Output Enable Input Write Enable Input Supply Voltage Ground


 

Some Part number from the same manufacture
M48T512VY
M48T513
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