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M40Z300W

Features: ` CONVERT LOW POWER SRAMs 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 DESELE...

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SeekIC No. : 004405239 Detail

M40Z300W: Features: ` CONVERT LOW POWER SRAMs into NVRAMs` PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY`AUTOMATIC WRITE-PROTECTION when VCC is OUT-OF-TOLERANCE` TWO INPUT DECODER ALLOWS CONTROL fo...

M40Z300W Data Sheet

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Part Number:
M40Z300W
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` CONVERT LOW POWER SRAMs 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
` LESS THAN 12ns CHIP ENABLE ACCESS
    PROPAGATION DELAY (for 5.0V device)
` PACKAGING INCLUDES a 28-LEAD SOIC and SNAPHAT® TOP, or a 16-LEAD SOIC (to be Ordered Separately)
` SOIC PACKAGE PROVIDES DIRECT
    CONNECTION for a SNAPHAT TOP which     CONTAINS the BATTERY
` BATTERY LOW PIN (BL) 


Pinout

Connection Diagram  Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
TA
 Ambient Operating Temperature
0 to 70
TSTG
 Storage Temperature (VCC Off) SNAPHAT
SOIC
40 to 85
55 to 125
VIO
 Input or Output Voltages
0.3 to VCC +0.3
V
VCC
 Supply Voltage M40Z300
M40Z300W
0.3 to 7
0.3 to 4.6
V
IO
 Output Current
20
mA
PD
 Power Dissipation
1
W

Note: 1. Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to the absolute maximum rating conditions for extended periods of time may affect reliability.
CAUTION: Negative undershoots below 0.3V are not allowed on any pin while in the Battery Back-up mode.
CAUTION: Do NOT wave solder SOIC to avoid damaging SNAPHAT sockets.


Description

The M40Z300/W NVRAM Controller is a self-contained device which converts a standard low-power SRAM into a non-volatile memory. A precision voltage reference and comparator monitors the VCC input for an out-of-tolerance condition.




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