參數(shù)資料
型號: STP1080ABGA-83
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA256
封裝: PLASTIC, BGA-256
文件頁數(shù): 8/22頁
文件大?。?/td> 124K
代理商: STP1080ABGA-83
206
STP1080A
Companion Device for 167/200 MHz UltraSPARC-I Systems
UltraSPARC-I Data Buffer (UDB-I)
July 1997
1. TDO is referenced from falling edge of TCK.
1. Derating factors are shown to aid in board design. This specication is not veried during manufacturing testing.
1. Loop lter values are given as an aid in board design. Values may need to be optimized for your particular application.
1. TJ can be calculated by: TJ = TA + PD x ThetaJA.
Thermal resistance measured using UltraSPARC-I heatsink. PD = Power Dissipation.
AC Characteristics - IEEE1149.1 Timing
Symbol
Parameter
Signals
Conditions
83 MHz
100 MHz
Units
Min
Typ
Max
Min
Typ
Max
tSU (TRST)
Input setup time to TCK
TRST
10
10
ns
tSU (TDI)
Input setup time to TCK
TDI
2
2
ns
tSU (TMS)
Input setup time to TCK
TMS
2
2
ns
tH(TRST)
Input hold time to TCK
TRST
10
10
ns
tH(TDI)
Input hold time to TCK
TDI
2
2
ns
tH(TMS)
Input hold time to TCK
TMS
2
2
ns
tPD(TDO)
Output delay from TCK [1]
TDO
IOL = 8 mA
IOH = -4 mA
CL = 35 pF
VLOAD =1.5V
15
15
ns
tOH(TDO)
Output hold time from TCK
TDO
–10–
ns
AC Characteristics - TPD (Output) Capacitive Derating Factor [1]
Symbol
Parameter
83 MHz
100 MHz
Units
Min
Typ
Max
Min
Typ
Max
tPD
Capacitive derating factor
0.2
0.3
0.4
TBD
ns/10pf
Loop Filter Values [1]
Frequency
Rs
Cs
Cp
83Mhz
18ohm
56nf
1.0nf
Thermal Resistance vs. Air Flow [1]
Symbol
Air Flow (ft/min)
Units
100
200
300
500
ThetaJA
TBD
( C/W)
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