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參數(shù)資料
| 型號： | DS26503L+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 121/122頁 |
| 文件大小： | 0K |
| 描述： | IC T1/E1/J1 BITS ELEMENT 64-LQFP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 160 |
| 類型： | BITS 元件，多路復用器 |
| PLL： | 是 |
| 主要目的： | T1/E1 |
| 輸入： | 時鐘 |
| 輸出： | 時鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:2 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 6.312MHz |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應商設備封裝： | 64-LQFP（10x10） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 1430 (CN2011-ZH PDF) |
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DS26503 T1/E1/J1 BITS Element
TAP Controller State Machine
The TAP controller is a finite state machine that responds to the logic level at JTMS on the rising edge of
JTCLK. See
Test-Logic-Reset
Upon power-up, the TAP controller will be in the test-logic-reset state. The instruction register will
contain the IDCODE instruction. All system logic of the device will operate normally.
Run-Test-Idle
The run-test-idle is used between scan operations or during specific tests. The instruction register and test
registers will remain idle.
Select-DR-Scan
All test registers retain their previous state. With JTMS LOW, a rising edge of JTCLK moves the
controller into the capture-DR state and will initiate a scan sequence. JTMS HIGH during a rising edge
on JTCLK moves the controller to the select-IR-scan state.
Capture-DR
Data can be parallel-loaded into the test-data registers selected by the current instruction. If the
instruction does not call for a parallel load or the selected register does not allow parallel loads, the test
register will remain at its current value. On the rising edge of JTCLK, the controller will go to the shift-
DR state if JTMS is LOW or it will go to the exit1-DR state if JTMS is HIGH.
Shift-DR
The test-data register selected by the current instruction will be connected between JTDI and JTDO and
will shift data one stage toward its serial output on each rising edge of JTCLK. If a test register selected
by the current instruction is not placed in the serial path, it will maintain its previous state.
Exit1-DR
While in this state, a rising edge on JTCLK will put the controller in the update-DR state, which
terminates the scanning process, if JTMS is HIGH. A rising edge on JTCLK with JTMS LOW will put
the controller in the pause-DR state.
Pause-DR
Shifting of the test registers is halted while in this state. All test registers selected by the current
instruction will retain their previous state. The controller will remain in this state while JTMS is LOW. A
rising edge on JTCLK with JTMS HIGH will put the controller in the exit2-DR state.
Exit2-DR
A rising edge on JTCLK with JTMS HIGH while in this state will put the controller in the update-DR
state and terminate the scanning process. A rising edge on JTCLK with JTMS LOW will enter the shift-
DR state.
Update-DR
A falling edge on JTCLK while in the update-DR state will latch the data from the shift register path of
the test registers into the data output latches. This prevents changes at the parallel output due to changes
in the shift register.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS26503L+ | 功能描述:計時器和支持產(chǎn)品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| DS26503LN | 功能描述:計時器和支持產(chǎn)品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| DS26503LN+ | 功能描述:計時器和支持產(chǎn)品 E1-T1-J1 Bits Element RoHS:否 制造商:Micrel 類型:Standard 封裝 / 箱體:SOT-23 內(nèi)部定時器數(shù)量:1 電源電壓-最大:18 V 電源電壓-最小:2.7 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| DS26504 | 制造商:Maxim Integrated Products 功能描述:T1/E1/J1 ENH BITS ELEMENT LQFP - Trays |
| DS26504_06 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:T1/E1/J1/64KCC BITS Element |
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