DataSheetWiki


M40Z111WMH fiches techniques PDF

ST Microelectronics - NVRAM CONTROLLER for up to TWO LPSRAM

Numéro de référence M40Z111WMH
Description NVRAM CONTROLLER for up to TWO LPSRAM
Fabricant ST Microelectronics 
Logo ST Microelectronics 





1 Page

No Preview Available !





M40Z111WMH fiche technique
M40Z111
M40Z111W
NVRAM CONTROLLER for up to TWO LPSRAM
CONVERT LOW POWER SRAMs into
NVRAMs
PRECISION POWER MONITORING and
POWER SWITCHING CIRCUITRY
AUTOMATIC WRITE-PROTECTION when VCC
is OUT-OF-TOLERANCE
CHOICE of SUPPLY VOLTAGES and
POWER-FAIL DESELECT VOLTAGES:
– M40Z111:
VCC = 4.5V to 5.5V
THS = VSS 4.5V VPFD 4.75V
THS = VOUT 4.2V VPFD 4.5V
– M40Z111W:
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
LESS THAN 15ns CHIP ENABLE ACCESS
PROPAGATION DELAY (for 5.0V 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
SNAPHAT (SH)
Battery
28
1
SOH28 (MH)
Figure 1. Logic Diagram
VCC
DESCRIPTION
The M40Z111/111W 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 con-
dition.
Table 1. Signal Names
THS
Threshold Select Input
E Chip Enable Input
ECON
VOUT
VCC
VSS
Conditioned Chip Enable Output
Supply Voltage Output
Supply Voltage
Ground
THS
E
M40Z111
M40Z111W
VSS
VOUT
ECON
AI02238B
February 1999
1/12

PagesPages 12
Télécharger [ M40Z111WMH ]


Fiche technique recommandé

No Description détaillée Fabricant
M40Z111WMH NVRAM CONTROLLER for up to TWO LPSRAM ST Microelectronics
ST Microelectronics

US18650VTC5A

Lithium-Ion Battery

Sony
Sony
TSPC106

PCI Bus Bridge Memory Controller

ATMEL
ATMEL
TP9380

NPN SILICON RF POWER TRANSISTOR

Advanced Semiconductor
Advanced Semiconductor


www.DataSheetWiki.com    |   2020   |   Contactez-nous  |   Recherche