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M40ZTHSMH1F

Description
2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
Categorysemiconductor    Analog mixed-signal IC   
File Size147KB,25 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

M40ZTHSMH1F Overview

2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28

M40ZTHSMH1F Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals28
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage3.6 V
Minimum supply/operating voltage2.7 V
Rated supply voltage3 V
Processing package description0.330 INCH, ROHS COMPLIANT, PLASTIC, SOIC-28
Lead-freeYes
EU RoHS regulationsYes
stateDISCONTINUED
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingTIN
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
Number of channels2
Adjustable thresholdYes
Analog IC other typesPOWER SUPPLY SUPPORT CKT
M40Z300
M40Z300W
5V or 3V NVRAM supervisor for up to 8 LPSRAMs
Features
Converts low power SRAM into NVRAMs
Precision power monitoring and power
switching circuitry
Automatic WRITE-protection when V
CC
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:
V
CC
= 4.5V to 5.5V
THS = V
SS
: 4.5V
V
PFD
4.75V
THS = V
OUT
: 4.2V
V
PFD
4.5V
– M40Z300W:
V
CC
= 3.0V to 3.6V
THS = V
SS
: 2.8V
V
PFD
3.0V
V
CC
= 2.7V to 3.3V
THS = V
OUT
: 2.5
V
PFD
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
RoHS compliant
– Lead-free second level interconnect
28
1
16
1
SO16 (MQ)
SNAPHAT (SH)
crystal/battery
SOH28 (MH)
November 2007
Rev 4
1/25
www.st.com
1
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