參數(shù)資料
型號: TPS65950ZXNR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA209
封裝: 7 X 7 MM, 0.40 MM PITCH, PLASTIC, BGA-209
文件頁數(shù): 60/167頁
文件大?。?/td> 2566K
代理商: TPS65950ZXNR
TPS65950
Integrated Power Management/Audio Codec
SWCS032 – OCTOBER 2008
www.ti.com
Table 13-11. JTAG Interface Timing Requirements
Notation
Parameter
Min(1)
Max(2)
Unit
Clock
JL1
tc(TCK)
Cycle time, JTAG.TCK period
30
ns
JL2
tw(TCK)
Pulse duration, JTAG.TCK high or low(3)
0.48*P
0.52*P
ns
Read Timing
JL3
tsu(TDIV-TCKH)
Setup time, JTAG.TDI valid before JTAG.TCK high
8
ns
JL4
th(TDIV-TCKH)
Hold time, JTAG.TDI valid after JTAG.TCK high
5
ns
JL5
tsu(TMSV-TCKH)
Setup time, JTAG.TMS valid before JTAG.TCK high
8
ns
JL6
th(TMSV-TCKH)
Hold time, JTAG.TMS valid after JTAG.TCK high
5
ns
(1)
Min = Minimum value
(2)
Max = Maximum value
(3)
P = JTAG.TCK clock period
Table 13-12. JTAG Interface Switching Characteristics
Notation
Parameter
Min(1)
Max(2)
Unit
Write Timing
JL7
td(TCK-TDOV))
Delay time, JTAG, TCK active edge to JTAG.TDO valid
0
14
ns
(1)
Min = Minimum value
(2)
Max = Maximum value
152
Timing Requirements and Switching Characteristics
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