M4Z28-BR00SH1-M4Z32-BR00SH1 Fast Delivery |IC PHOENIX CO.,LIMITED

M4Z28-BR00SH1 ,ZEROPOWER SNAPHAT (BATTERY)FEATURES SUMMARY■ PROVIDES BATTERY BACKUP POWER FOR Figure 1. SNAPHAT Top PackageNON-VOLATILE ZEROP ..
M4Z32-BR00SH1 ,ZEROPOWER SNAPHAT (BATTERY)Absolute Maximum Ratings(Table2.) .... ...... ....... ...... ....... ...... ...... .....4DC AND AC ..
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M4Z28-BR00SH1-M4Z32-BR00SH1
ZEROPOWER SNAPHAT (BATTERY)
1/12August 2002
M4Z28-BR00SH
M4Z32-BR00SH
ZEROPOWER® SNAPHAT® (Battery)
FEATURES SUMMARY PROVIDES BATTERY BACKUP POWER FOR
NON-VOLATILE ZEROPOWER and
SUPERVISOR DEVICESIN THE 28-PIN
SNAPHAT SOIC PACKAGE REMOVABLE BATTERY AVOIDS HEAT
ASSOCIATED WITH SURFACE-MOUNT
PROCESS SNAPS DIRECTLY ONTO SURFACE-
MOUNTED SNAPHAT SOIC CHOICE OF BATTERY CAPACITIES M4Z28-BR00SH= 48mAh M4Z32-BR00SH= 120mAh KEYED INSERTION TO INSURE PROPER
ASSEMBLY REMOVABLE FOR REPLACEMENT and
PROPER DISPOSAL AVAILABLEIN TUBES OR TAPE& REEL
M4Z28-BR00SH, M4Z32-BR00SH
2/12
TABLE OF CONTENTS
SUMMARY DESCRIPTION... ...... ....... ...... ....... ...... ....... ...... ...... .....3
Logic Diagram (Figure 2.). ...... ....... ...... ....... ...... ....... ...... ...... .....3
Signal Names (Table1.).. ...... ....... ...... ....... ...... ....... ...... ...... .....3
MAXIMUM RATING... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....4
Absolute Maximum Ratings (Table2.) .... ...... ....... ...... ....... ...... ...... .....4 AND AC PARAMETERS.. ...... ....... ...... ....... ...... ....... ...... ...... .....4
Operating and AC Measurement Conditions (Table 3.) .... ...... ....... ...... ...... .....4
MECHANICAL INFORMATION ..... ....... ...... ....... ...... ....... ...... ...... .....5
SNAPHAT Insertion/Extraction Forces (Figure 3.). ....... ...... ....... ...... ...... .....5
Battery Characteristics ... ...... ....... ...... ....... ...... ....... ...... ...... .....6 Recognition ... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....6
Battery Life ...... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....6
General Notes .... ...... ...... ....... ...... ....... ...... ....... ...... ...... .....6
Battery Discharge Rates (Figure 4.) ...... ...... ....... ...... ....... ...... ...... .....7
DIPExtractor Tool (Figure 5.) .... ....... ...... ....... ...... ....... ...... ...... .....7
PART NUMBERING.. ...... ...... ....... ...... ....... ...... ....... ...... ...... .....8
PACKAGE MECHANICAL INFORMATION... ...... ....... ...... ....... ...... ...... .....9
REVISION HISTORY.. ...... ...... ....... ...... ....... ...... ....... ...... ...... ....11
3/12
M4Z28-BR00SH, M4Z32-BR00SH
SUMMARY DESCRIPTION
The M4ZXX-BR00SH SNAPHAT® top is a
detachable lithium power source for ST’s non-
volatile ZEROPOWER® surface-mount SOIC
(MH) package (28-pin).
The SNAPHAT top containsa lithium battery and designedto be “snapped on” after the SOICis
surface mountedon the PC board. The two-piece
solution prevents the battery from being exposed the high temperaturesof the surface mount pro-
cess. Table1. Signal Names
M4Z28-BR00SH, M4Z32-BR00SH
4/12
MAXIMUM RATING
Stressing the deviceabove therating listedinthe
“Absolute Maximum Ratings” table may cause
permanent damage to the device. These are
stress ratings only and operationof the deviceat
theseor any other conditions above those indicat-in the Operating sectionsof this specificationis
not implied. Exposureto Absolute Maximum Rat-
ing conditionsfor extended periods may affect de-
vice reliability. Refer also to the
STMicroelectronics SURE Program and other rel-
evant quality documents.
Table2. Absolute Maximum Ratings
CAUTION:Do NOT wave solder SOICto avoid damaging SNAPHAT sockets. AND AC PARAMETERS
This section summarizes the operating and mea-
surement conditions, as well as the DC and AC
characteristicsof the device. The parametersin
the following DC and AC Characteristic tables are
derived from tests performed under the Measure-
ment Conditions listedin the relevant tables. De-
signers should check that the operating conditions their projects match the measurement condi-
tions when using the quoted parameters.
Table3. Operating and AC Measurement Conditions
5/12
M4Z28-BR00SH, M4Z32-BR00SH
MECHANICAL INFORMATION
Electrical connectionto the SOICis made through
two pins that connectto the press fitted socketsat
one endof the SOIC. Critical contact points be-
tween the pins and sockets are gold-platedto re-
sist oxidation. Internally, each socket contains six
independent contact fingers to form redundant
connections between the two components. These
sockets were designedto provide high point con-
tact forceto provide the lowest possible contactre-
sistance. The SNAPHAT® top also incorporates
four molded-in retaining clips which hold onto the
endsof the SOIC insuring mechanical and electri-
cal connection even under severe mechanical
shock and vibration. The combined SOIC and
SNAPHAT assembly can sustain shock levelsin
excessof 100g without separating. This package
also passes variable frequency testingin accor-
dance with MIL-STD-883, method 2007.2, condi-
tionA.
Figure3 illustrates the affectof repeated insertion
and extractionof the SNAPHAT topto the SOIC.
The force requiredto extract the SNAPHAT, and
thento re-insertit, reduces each time. After fouror
five extractions, the reduction startsto become
unnoticeable and the force required remainsata
fairly constant figure. Typically, though, the
SNAPHAT will only needto be extracted and re-
inserted onceinits lifetime.
M4Z28-BR00SH, M4Z32-BR00SH
6/12
Battery Characteristics
Figure4, page7 illustrates the lithium coin cell dis-
charge rate fora given load. This demonstrates
the characteristically flat voltage level suppliedby
the battery until very near the endofits life. These
discharge levels have been greatly acceleratedin
comparisonto the normal, actual usage.
Note: These batteries contain no Mercury (Hg),
Cadmium (Cd),or Lead (Pb). Recognition
The M4ZXX-BR00SH has been recognizedby Un-
derwriters Laboratories under their Component
Recognition Program and carries U.L. File Num-
ber E89556.
Battery Life
For informationon Data Retention Life and Battery
Storage Life, please referto the Application Note
AN1012.
General Notes has conducted experiments usinga manual
press which determined thatif approximately 60
pounds of forceis applied to the top of the
SNAPHAT®, battery damage and/or die cracks
could be induced. As Figure3, page5 specifies,
onlyan averageof less than13 force-poundsisre-
quiredfor proper insertion. We recommend thatno
more than 40 poundsof force be applied during
SNAPHAT insertion.a manual pressin employed,itis very important
thatitbe calibrated such thatit cannot exceed this
limit. remove the SNAPHAT® top for replacement,a
DIP/IC extractor tool should be used (see Figure
5). The SNAPHAT top shouldbe grabbedby the
narrow endto avoid bending the pins.
Caution:To avoid draining batterydo NOT place
SNAPHAT pins into conductive foam.
Caution: To avoid damaging SNAPHAT sockets NOT wave solder SOIC.
For battery disposal information, seeon the webat
www.rayovac.com.

Partno	Mfg	Dc	Qty	Available	Descript
M4Z28-BR00SH1 \|M4Z28BR00SH1	ST	N/a	30	avai	ZEROPOWER SNAPHAT (BATTERY)
M4Z32-BR00SH1 \|M4Z32BR00SH1	ST	N/a	17	avai	ZEROPOWER SNAPHAT (BATTERY)