SAMESKEYRINGTAG
SA7110DKEY
1/2
SAMESKEYRINGTAG
GENERALSPECIFICATION
TheSAMESkeyringtagprovidesthesecureandconvenient
linkforaccesscontrol,customerloyalty,personnel
identification,etc.ItincludestheSAMESSA7110ICand
antennacircuitandhasbeenpackagedtowithstandrough
handlingassociatedwithkeyringuse.
TheSAMESkeyringtagisavailableasareadonlyversionwith
auniquefactoryprogrammedidentificationcode.
MEMORYARRAY
TheSA7110ICusedinthekeyringtagcontains64bitsdivided
intofivegroupsofinformation.9bitsareusedfortheheader,10
rowparitybits(P0-P9),4columnparitybits(PC0-PC3),40data
bits(D00-D93)and1stopbitsettologic0.
Theheaderiscomposedofthe9bitswhichareallprogrammed
to“1”.Theheaderisfollowedby10groupsof4databitsand1
rowparitybit.The10groupsof4databitsallowfor100billion
combinations.Thelastgroupconsistsof4columnparitybits
with1stopbitwhichisprogrammedto“0”.
BitsD00toD03andbitsD10toD13arecustomerspecific
identification.
Function
Typicaloperatingfrequency
Memorysize
Serialization
Modulation/Encoding
ReadSpeed
Powersource
OperatingTemperature
StorageTemperature:
CaseMaterial
ProtectionClass
Colour
Passiveread-onlyradiofrequencyidentificationtag
125kHz
64bitReadOnlyMemory
40bitserialnumber
AmplitudeShiftKeying(ASK)/Manchester
1953bits/second(32.8msreadtimetypically)
Poweredfromthereadersignal
-40to+70°C
-40to+70°C
PlasticABS
TBA
Black
11111 1 1 1 1
D00
D10
D20
D30
D40
D50
D60
D70
D80
D90
PC0
D01
D11
D21
D31
D41
D51
D61
D71
D81
D91
PC1
D02
D12
D22
D32
D42
D52
D62
D72
D82
D92
PC2
D03
D13
D23
D33
D43
D53
D63
D73
D83
D93
PC3
P0
P1
P2
P3
P4
P5
P6
P7
P8
P9
S0
9headerbits
8versionbits
orcustomerID
32databits
4columnparitybits
10lineparitybits
Stopbit
SPEC-1940(REV.1)
09-02-06
40
45
5.5
mm
The64bitsareoutputtedseriallyinordertocontrolthe
modulator.Theoutputsequenceisrepeatedcontinuouslyas
longasthetagisinthereaderRFfield.