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M40Z111W Datasheet (PDF) - STMicroelectronics

M40Z111W Datasheet PDF - STMicroelectronics
No. de pieza M40Z111W
Descarga  M40Z111W Descarga

Tamaño del archivo   107.11 Kbytes
Page   15 Pages
Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Descripción Electrónicos 5V OR 3V NVRAM SUPERVISOR FOR UP TO TWO LPSRAMs

M40Z111W Datasheet (PDF)

Go To PDF Page Descarga Datasheet
M40Z111W Datasheet PDF - STMicroelectronics

No. de pieza M40Z111W
Descarga  M40Z111W Click to download

Tamaño del archivo   107.11 Kbytes
Page   15 Pages
Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Descripción Electrónicos 5V OR 3V NVRAM SUPERVISOR FOR UP TO TWO LPSRAMs

M40Z111W Datasheet (HTML) - STMicroelectronics

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M40Z111W Detalles de producto

Description
The M40Z111/W NVRAM supervisor 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.
When an invalid VCC condition occurs, the conditioned chip enable (ECON) output is forced inactive to write-protect the stored data in the SRAM.
During a power failure, the SRAM is switched from the VCC pin to the lithium cell within the SNAPHAT® to provide the energy required for data retention. On a subsequent power-up, the SRAM remains write protected until a valid power condition returns.
The 28-pin, 330 mil SOIC provides sockets with gold plated contacts at both ends for direct connection to a separate SNAPHAT housing containing the battery. The unique design allows the SNAPHAT battery package to be mounted on top of the SOIC package after the completion of the surface mount process.

Features
■ Convert low power SRAMs into NVRAMs
■ Precision power monitoring and power switching circuitry
■ Automatic write-protection when VCC is out-oftolerance
■ Choice of supply voltages and power-fail deselect voltages:
   – M40Z111: VCC = 4.5 to 5.5 V
      THS = VSS; 4.5 ≤ VPFD ≤ 4.75 V
      THS = VOUT; 4.2 ≤ VPFD ≤ 4.5 V
   – M40Z111W: VCC = 3.0 to 3.6 V
      THS = VSS; 2.8 ≤ VPFD ≤ 3.0 V
      VCC = 2.7 to 3.3 V
      THS = VOUT; 2.5 ≤ VPFD ≤ 2.7 V
■ Less than 15 ns chip enable access
   propagation delay (for 5.0 V device)
■ Packaging includes a 28-lead SOIC and
   SNAPHAT® top (to be ordered separately)
■ SOIC package provides direct connection for a
   SNAPHAT top which contains the battery
■ RoHS compliant
   – Lead-free second level interconnect




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Acerca de STMicroelectronics


STMicroelectronics es un fabricante multinacional de electrónica y semiconductores con sede en Ginebra, Suiza.

La compañía ofrece una amplia gama de productos que incluyen microcontroladores, sensores, amplificadores de energía y circuitos integrados para diversas aplicaciones en los mercados automotrices, industriales y de consumo.

Fundada en 1987, Stmicroelectronics tiene operaciones en más de 100 países y es una de las compañías semiconductores más grandes del mundo.

*Esta información es solo para fines informativos generales, no seremos responsables de ninguna pérdida o daño causado por la información anterior.




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