參數(shù)資料
型號(hào)： SCANSTA112
廠商： National Semiconductor Corporation
英文描述： 7-port Multidrop IEEE 1149.1 (JTAG) Multiplexer
中文描述： 7端口多點(diǎn)的IEEE 1149.1（JTAG接口）多路復(fù)用
文件頁(yè)數(shù)： 11/15頁(yè)
文件大?。?/td> 300K
代理商： SCANSTA112
AC Electrical Characteristics: Scan Bridge Mode
(Continued)
Over recommended operating supply voltage and temperature ranges unless otherwise specified (Note 5).
Symbol
t
PHL
,
t
PLH
t
PHL
,
t
PLH
t
PHL
Parameter
Conditions
Typ
12.0
Max
18.5
Units
ns
Propagation Delay
TCK
B0
to TRST
(01-06)
Propagation Delay
TCK
B1
to TRST
(01-06)
Propagation Delay
TCK
Bn
to TRIST
Bn
Propagation Delay
TCK
Bn
to TRIST
(01-03)
Propagation Delay
TCK
Bn
to TDO
Bn
or TDO
(01-06)
Propagation Delay
An to Yn
12.0
18.5
ns
8.5
12.5
ns
t
PHL
8.0
12.0
ns
t
PZL
,
t
PZH
t
PHL
,
t
PLH
9.0
14.5
ns
6.0
9.0
ns
AC Timing Characteristics: Scan Bridge Mode
Over recommended operating supply voltage and temperature ranges unless otherwise specified (Notes 4, 5).
Symbol
t
S
Parameter
Conditions
Min
2.5
Max
Units
ns
Setup Time
TMS
Bn
to TCK
Bn
Hold Time
TMS
Bn
to TCK
Bn
Setup Time
TDI
Bn
to TCK
Bn
Hold Time
TDI
Bn
to TCK
Bn
Setup Time
TDI
(01-06)
to TCK
Bn
Hold Time
TDI
(01-06)
to TCK
Bn
Recovery Time
TCK
Bn
from TRST
Bn
Clock Pulse Width
TCK
Bn
(H or L)
Reset Pulse Width
TRST
Bn
(L)
Maximum Clock Frequency (Note 6)
t
H
1.5
ns
t
S
3.0
ns
t
H
2.0
ns
t
S
1.0
ns
t
H
3.5
ns
t
REC
1.0
ns
t
W
t
R
/t
F
= 1.0ns
10.0
ns
t
W
L
t
R
/t
F
= 1.0ns
2.5
ns
F
MAX
t
R
/t
F
= 1.0ns
25
MHz
Note 4:
Guaranteed by Design (GBD) by statistical analysis
Note 5:
R
L
= 500
to GND, C
L
= 50pF to GND, t
R
/t
F
= 2.5ns, Frequency = 25MHz, V
M
= 1.5V
Note 6:
When sending vectors one-way to a target device on an LSP (such as in FPGA/PLD configuration/programming), the clock frequency may be increased
above this specification. In Scan Mode (expecting to capture returning data at the LSP), the F
MAX
must be limited to the above specification.
S
www.national.com
11
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SCANSTA112_05 制造商:NSC 制造商全稱:National Semiconductor 功能描述:7-Port Multidrop IEEE 1149.1 (JTAG) Multiplexer
SCANSTA112EVK 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 SCANSTA112 EVAL KIT RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SCANSTA112EVK/NOPB 功能描述:界面開(kāi)發(fā)工具 SCANSTA112 EVAL KIT RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
SCANSTA112SM 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SCANSTA112SM/NOPB 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 7-port Multidrop Mux RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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