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參數(shù)資料
| 型號： | SCAN182245TSSCX |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| 中文描述： | 非反相與25OHM系列電阻器輸出 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 231K |
| 代理商： | SCAN182245TSSCX |
Description of BOUNDARY-SCAN Circuitry
The scan cells used in the BOUNDARY-SCAN register are
one of the following two types depending upon their loca-
tion. Scan cell TYPE1 is intended to solely observe system
data, while TYPE2 has the additional ability to control sys-
tem data. (See IEEE Standard 1149.1 Figure 10-11 for a
further description of scan cell TYPE1 and Figure 10-12 for
a further description of scan cell TYPE2.)
Scan cell TYPE1 is located on each system input pin while
scan cell TYPE2 is located at each system output pin as
well as at each of the two internal active-high output enable
signals. AOE controls the activity of the A-outputs while
BOE controls the activity of the B-outputs. Each will activate
their respective outputs by loading a logic high.
The BYPASS register is a single bit shift register stage iden-
tical to scan cell TYPE1. It captures a fixed logic low.
Bypass Register Scan Chain Definition
Logic 0
TL/F/11657–17
SCAN182245A Product IDCODE
(32-Bit Code per IEEE 1149.1)
Version Entity
Part
Number
Manufacturer Required by
ID
1149.1
0000
111111 0000000000 00000001111
1
MSB
LSB
The INSTRUCTION register is an 8-bit register which cap-
tures the default value of 10000001 (SAMPLE/PRELOAD)
during the CAPTURE-IR instruction command. The benefit
of capturing SAMPLE/PRELOAD as the default instruction
during CAPTURE-IR is that the user is no longer required to
shift in the 8-bit instruction for SAMPLE/PRELOAD. The se-
quence of: CAPTURE-IR
EXIT1-IR
UPDATE-IR
will update the SAMPLE/PRELOAD instruction. For more
information refer to the section on instruction definitions.
Instruction Register Scan Chain Definition
TL/F/11657–10
MSB
x
LSB
Instruction Code
Instruction
00000000
EXTEST
10000001
SAMPLE/PRELOAD
10000010
CLAMP
00000011
HIGH-Z
01000001
SAMPLE-IN
01000010
SAMPLE-OUT
00100010
EXTEST-OUT
10101010
IDCODE
11111111
BYPASS
All Others
BYPASS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SCAN182245TSSMQB | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182245TSSMX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Non-Inverting Transceiver with 25OHM Series Resistor Outputs |
| SCAN182373_YBE3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| SCAN182373A | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Transparent Latch with 25ohm Series Resistor Outputs |
| SCAN182373ASSC | 功能描述:閉鎖 Transparent Latch RoHS:否 制造商:Micrel 電路數(shù)量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數(shù)量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
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