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M41T256YMH7E Scheda tecnica (PDF) - STMicroelectronics

M41T256YMH7E Datasheet PDF - STMicroelectronics
Il numero della parte M41T256YMH7E
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Grandezza file   522.31 Kbytes
Page   27 Pages
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Spiegazioni elettronici 256 Kbit 32K x8 SERIAL RTC

M41T256YMH7E Datasheet (PDF)

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M41T256YMH7E Datasheet PDF - STMicroelectronics

Il numero della parte M41T256YMH7E
Scarica  M41T256YMH7E Click to download

Grandezza file   522.31 Kbytes
Page   27 Pages
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Spiegazioni elettronici 256 Kbit 32K x8 SERIAL RTC

M41T256YMH7E Scheda tecnica (HTML) - STMicroelectronics

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M41T256YMH7E Dettagli del prodotto

SUMMARY DESCRIPTION
The M41T256Y Serial TIMEKEEPER® SRAM is a low power 256 Kbit static CMOS SRAM organized as 32K words by 8 bits. A built-in 32.768kHz oscillator (external crystal controlled) and 8 bytes of the SRAM (see Table 3., page 14) are used for the clock/calendar function and are configured in binary coded decimal (BCD) format.

FEATURES SUMMARY
■ 5V OPERATING VOLTAGE
■ SERIAL INTERFACE SUPPORTS EXTENDED I2C BUS ADDRESSING (400kHz)
■ AUTOMATIC SWITCH-OVER AND DESELECT CIRCUITRY
■ POWER-FAIL DESELECT VOLTAGES:
   – M41T256Y: VCC = 4.5 to 5.5V;
      VPFD = 4.2 < VPFD < 4.5V
■ COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, and YEAR
■ PROGRAMMABLE SOFTWARE CLOCK CALIBRATION
■ 32,752 BYTES OF GENERAL PURPOSE RAM
■ MICROPROCESSOR POWER-ON RESET
■ HOLDS MICROPROCESSOR IN RESET UNTIL SUPPLY VOLTAGE REACHES STABLE OPERATING LEVEL
■ AUTOMATIC ADDRESS-INCREMENTING
■ TAMPER INDICATION CIRCUIT WITH TIMESTAMP
■ SLEEP MODE FUNCTION
■ 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




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A proposito di STMicroelectronics


STMicroelectronics è un produttore di elettronica e semiconduttori multinazionali con sede a Ginevra, in Svizzera.

La società offre una vasta gamma di prodotti tra cui microcontrollori, sensori, amplificatori di potenza e circuiti integrati per varie applicazioni nei mercati automobilistici, industriali e di consumo.

Fondata nel 1987, STMicroelectronics ha operazioni in oltre 100 paesi ed è una delle più grandi società di semiconduttori al mondo.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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