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M40Z300AVMQ6E Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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M40Z300AVMQ6E Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 20 page 1/20 March 2004 M40Z300AV 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) ■ SUPPLY VOLTAGE AND POWER-FAIL DESELECT VOLTAGE: – M40Z300AV: VCC = 3.0V to 3.6V THS = VSS: 2.8V ≤ VPFD ≤ 3.0V ■ RESET OUTPUT (RST) FOR POWER ON RESET ■ BATTERY LOW PIN (BL) ■ LESS THAN 20ns CHIP ENABLE ACCESS PROPAGATION DELAY ■ PACKAGING INCLUDES A 16-LEAD SOIC OR A 28-LEAD SOIC AND SNAPHAT® TOP (to be ordered separately) ■ 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 |
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