STMicroelectronics M41T94
512 Bit 64 bit x8 SERIAL RTC SPI SRAM
| Part No. | M41T94 |
|---|---|
| Datasheet | M41T94 Download |
| Manufacturer |  STMicroelectronics |
| Description | 512 Bit 64 bit x8 SERIAL RTC SPI SRAM |
| Buy | Stock & Price |
FEATURES
SUMMARY s 2.7 TO 5.5V OPERATING VOLTAGE s s Figure 1. 16-pin SOIC Package SERIAL PERIPHERAL INTERFACE (SPI) 2.5 TO 5.5V OSCILLATOR OPERATING VOLTAGE AUTOMATIC SWITCH-OVER and DESELECT CIRCUITRY CHOICE OF POWER-FAIL DESELECT VOLTAGES (VCC = 2.7 to 5.5V): – THS = VSS; 2.55V ≤ VPFD ≤ 2.70V – THS = VCC; 4.20V ≤ VPFD ≤ 4.50V Figure 2. 28-pin SOIC Package 16 1 s SO16 (MQ) s s COUNTERS FOR TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAY, DATE, MONTH, YEAR, and CENTURY 44 BYTES OF GENERAL PURPOSE RAM PROGRAMMABLE ALARM and INTERRUPT FUNCTION (VALID EVEN DURING BATTERY BACK-UP MODE) WATCHDOG TIMER MICROPROCESSOR POWER-ON RESET BATTERY LOW FLAG LOW OPERATING CURRENT OF 2.0mA ULTRA-LOW BATTERY SUPPLY CURRENT OF 500nA (MAX) PACKAGING INCLUDES A 28-LEAD SOIC and SNAPHAT® TOP (to be ordered separately) or 16-LEAD SOIC 28-LEAD SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY and CRYSTAL SNAPHAT (SH) Battery & Crystal s s s s s s s 28 1 SOH28 (MH) s s June 2003 Rev.
