Datenblatt-Suchmaschine für elektronische Bauteile |
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M40Z300W Datenblatt(PDF) 1 Page - STMicroelectronics |
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M40Z300W Datenblatt(HTML) 1 Page - STMicroelectronics |
1 / 21 page 1/21 February 2005 M40Z300 M40Z300W 5V or 3V NVRAM Supervisor for Up to 8 LPSRAMs FEATURES SUMMARY ■ CONVERTS LOW POWER SRAM INTO NVRAMs ■ PRECISION POWER MONITORING AND POWER SWITCHING CIRCUITRY ■ AUTOMATIC WRITE-PROTECTION WHEN VCC IS OUT-OF-TOLERANCE ■ TWO-INPUT DECODER ALLOWS CONTROL FOR UP TO 8 SRAMs (with 2 devices active in parallel) ■ CHOICE OF SUPPLY VOLTAGES AND POWER-FAIL DESELECT VOLTAGES: – M40Z300: VCC = 4.5V to 5.5V THS = VSS: 4.5V ≤ VPFD ≤ 4.75V THS = VOUT: 4.2V ≤ VPFD ≤ 4.5V – M40Z300W: VCC = 3.0V to 3.6V THS = VSS: 2.8V ≤ VPFD ≤ 3.0V VCC = 2.7V to 3.3V THS = VOUT: 2.5 ≤ VPFD ≤ 2.7V ■ RESET OUTPUT (RST) FOR POWER ON RESET ■ BATTERY LOW PIN (BL) ■ LESS THAN 12ns CHIP ENABLE ACCESS PROPAGATION DELAY (for 5.0V device) ■ PACKAGING INCLUDES A 28-LEAD SOIC AND SNAPHAT® TOP (to be ordered separately), OR A 16-LEAD SOIC ■ SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY Figure 1. 16-pin SOIC Package Figure 2. 28-pin SOIC Package 16 1 SO16 (MQ) 28 1 SOH28 (MH) SNAPHAT (SH) Crystal/Battery |
Ähnliche Teilenummer - M40Z300W |
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Ähnliche Beschreibung - M40Z300W |
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