?????????????????????????????%20???????LSI??

1
??????????????????
???? ????? ???? JAXA/ISAS ???? KEK

• 1. ?????
• 0.5µmCMOS???????
• ASIC??
• 0.25µmCMOS???????
• ASIC??
• 4. ???

2010? 7? 1??????????????? ??????? _at_KEK
2
????? -GeV??TeV????????????????-
??????????? ? ATIC BGO PMT(AnodeDynodes)
ASIC ( BGO 22X0 ?10MeV 20TeV ) ? CREAM
TRD, Tungsten-Scintillating fiber
HPDVA32HDR2 (1fC?? 15000fC) ? Fermi LAT
CsI(Tl) Dual PIN PD ASIC
(W1.5X0CsI8.6X0?5??????) ? CALET PbWO4
PD,APD Hybird IC ( W3X0PbWO427X0?0.5
106??)
Fermi LAT 20GeV 1TeV
3
???????????????ASIC??
????

• 4???????????????
• 1fC??????pC
• ??????????????????

? 0.5µmCMOS???????ASIC?? 2008?
?ASIC????????????????? KEK
ASIC??????(FE2006)???? ? 0.25µmCMOS???????ASIC?
? 2009?9? OPEN-IP(JAXA ????)???
4
0.5µmCMOS??????ASIC??????
???500nsec
???1µsec10µsec
????????30MHz
????2.5V ???????????12pF PZCHigh gain 8,
Low-gain 1/2 LPF ??????????????
5
1ch??????
?????? FE2006
6
0.5µmCMOS???????????
7
??????????
??? ???
8
????
??????????
CsI(Tl)Si PIN-PD
(1818mm2) Peak7.8 fC
9
???

• 0.5µmCMOS?????????????????????????????ASIC??????
• KEK ?????? FE2006????
• ??
• ???????26pC
• ?????28.6mW(2.5V)?37.7mW(-2.5V)
• ??????? 0.3fC_at_100pF

10
0.25µmCMOS ?????????ASIC??????
ASIC????? ?????? TID?? ??????? ADC??? ???????
11
??????Charge amp.
OPEN-IP(JAXA)
Shaper????
??????????
12
??????Shaping amp.
PZC
13
??????Charge amp. Shaping amp.
Charge amp. Sharping amp.
Capacitor?? C4pF 4pF(SW)8pF(SW)
????
PZC
1pF 4pF 16pF 64pF
amp.
????????
Registor??
14
??????Shaping amp.ADC COMMON??
Shaping amp.
ADC
15
???????(Wilkinson)?ADC
??????
ADC?? (????)
????? (????????)
??????????
16
SPICE???WDAMP?????
??????? Lowest-gain Highest-gain
Digital control inputs.
LG0,LG1on Vth100mV ??????TT
LG0,LG1off Vth100mV ??????TT
17
??????
??????CONTROL_CCR ? CONTROL_LCR
???????????????????? INPUT RESTORE1 Preamp.
???? ?? RESTORE2 Shaping amp. ??????
HOLDB Shaping amp. out ?????? INITB
?????? ?????? DIN ????????? WCK
????????????? WR ???????????? SELCK
??????????????? SELIN ??????????
OUTPUT DOUT ????????? SELOUT -gt SELIN
WIDTH0-3 ADC?? MONOUT preamp.
out(MONOUT0)/shaping amp. out(MONOUT1) AOUT
??????
18
?????? ???
Analog monitor out
Digital control inputs.
ADC ?? 16ch 4ch/amp.4amps
?? 4ch
19
0.25µmCMOS?????????????
Analog? Digital?
Bias???? register
CSAS.A.ADC register
ADC ?? 16ch
?? 4ch
????? VSS
?????
?????????? ???????
Analog? Digital?
20
???

• ?????????????? ?????????????????????????
• 0.5µmCMOS?????ASIC?????
• ????????
• KEK ????????
• 0.25µmCMOS???????ASIC???
• JAXA Open-IP???
• ???????????