參數(shù)資料
型號： DS26503L+
廠商： Maxim Integrated Products
文件頁數(shù)： 4/122頁
文件大?。?/td> 0K
描述： IC T1/E1/J1 BITS ELEMENT 64-LQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 160
類型： BITS 元件，多路復(fù)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(yīng)商設(shè)備封裝： 64-LQFP（10x10）
包裝： 托盤
產(chǎn)品目錄頁面： 1430 (CN2011-ZH PDF)
DS26503 T1/E1/J1 BITS Element
INSTRUCTION
INSTRUCTION CODES
16.1 Instruction Register
The instruction register contains a shift register as well as a latched parallel output and is 3 bits in length.
When the TAP controller enters the shift-IR state, the instruction shift register will be connected between
JTDI and JTDO. While in the shift-IR state, a rising edge on JTCLK with JTMS LOW will shift the data
one stage toward the serial output at JTDO. A rising edge on JTCLK in the exit1-IR state or the exit2-IR
state with JTMS HIGH will move the controller to the update-IR state. The falling edge of that same
JTCLK will latch the data in the instruction shift register to the instruction parallel output.
Table 16-1. Instruction Codes for IEEE 1149.1 Architecture
SELECTED REGISTER
SAMPLE/PRELOAD
Boundary Scan
010
111
Scan
000
CLAMP
Bypass
011
HIGHZ
Bypass
100
IDCODE
Device Identification
001
BYPASS
Bypass
EXTEST
Boundary
SAMPLE/PRELOAD
This is a mandatory instruction for the IEEE 1149.1 specification that supports two functions. The digital
I/Os of the device can be sampled at the boundary scan register without interfering with the normal
operation of the device by using the capture-DR state. SAMPLE/PRELOAD also allows the device to
shift data into the boundary scan register via JTDI using the shift-DR state.
BYPASS
When the BYPASS instruction is latched into the parallel instruction register, JTDI connects to JTDO
through the one-bit bypass test register. This allows data to pass from JTDI to JTDO not affecting the
device’s normal operation.
EXTEST
This allows testing of all interconnections to the device. When the EXTEST instruction is latched in the
instruction register, the following actions occur. Once enabled via the Update-IR state, the parallel
outputs of all digital output pins will be driven. The boundary scan register will be connected between
JTDI and JTDO. The Capture-DR will sample all digital inputs into the boundary scan register.
CLAMP
All digital outputs of the device will output data from the boundary scan parallel output while connecting
the bypass register between JTDI and JTDO. The outputs will not change during the CLAMP instruction.
HIGHZ
All digital outputs of the device will be placed in a high-impedance state. The BYPASS register will be
connected between JTDI and JTDO.
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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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