CD40117BNSRG4

CD40117BNSRG4
Mfr. #:
CD40117BNSRG4
描述:
Interface - Specialized Programmable Dual 4B Terminator
生命周期:
制造商新产品。
数据表:
CD40117BNSRG4 数据表
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ECAD Model:
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CD40117BNSRG4 更多信息 CD40117BNSRG4 Product Details
产品属性
属性值
制造商:
德州仪器
产品分类:
接口 - 专业
RoHS:
Y
安装方式:
贴片/贴片
包装/案例:
SO-14
打包:
卷轴
品牌:
德州仪器
产品类别:
接口 - 专业
出厂包装数量:
1
子类别:
接口 IC
单位重量:
0.008501 oz
Tags
CD40117BN, CD40117, CD4011, CD401, CD40, CD4
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Step1: Vacuum Packaging with PL
Step1:
Vacuum Packaging with PL
Step2: Anti-Static Bag
Step2:
Anti-Static Bag
Step3: Packaging Boxes
Step3:
Packaging Boxes
***ser
Logic - Bus Termination Arrays and Networks Programmable Dual 4B Terminator
***i-Key
IC TERMINATOR PROG DUAL 14SO
***as Instruments
CD40117B is a dual 4-bit terminator that can be programmed by means of STROBE and DATA control bits to function as pull-up or pull-down resistors. The CD40117B can also be programmed to function as latches to terminate any open or unused CMOS logic when used with 3-state logic or during a power-down condition. Considerable savings in power and board space can be realized when this device is used to replace pull-up or pull-down resistors. When the STROBE is in the logic "1" state, the terminator functions as a pull-up resistor if the DATA input is a logic "1" or as a pull down resistor if the DATA input is a logic "0". When the STROBE is in the logic "0" state, the terminator performs the latch functions, i.e., it follows the changing states of the bus. If the bus goes into the high-Z state or into a power-down condition, the latched terminator retains the data ("1" or "0") that the bus carried before it switched to the high-Z or power-down state. If and when the bus changes from the high-Z state to the state opposite to that which the latch is storing, the bus will override the latch and the terminator will reflect the state on the bus. The small geometries chosen for the inverters in the latch allow this override mode. When checking the data bus whose last state is being preserved by the terminator, a resistor should be used in series with the probe whose input capacitance could trip the small latches. The resistance should be in excess of the output impedance of the latch, i.e., R should be > 30 K at VDD = 10 V. The STROBE and DATA inputs in each section can be paralleled allowing this device to be used as an 8-bit bus terminator. The CD40117B types are supplied in 14-lead dual-in-line plastic packages (E suffix), 14-lead small-outline packages (M, MT, M96, and NSR suffixes), and 14-lead thin shrink small-outline packages (PW and PWR suffixes).
型号 描述 库存 价格
CD40117BNSRG4
DISTI # CD40117BNSRG4-ND
IC TERMINATOR PROG DUAL 14SO
RoHS: Compliant
Min Qty: 2000
Container: Tape & Reel (TR)
Limited Supply - Call
    CD40117BNSRG4
    DISTI # 595-CD40117BNSRG4
    Interface - Specialized Programmable Dual 4B Terminator
    RoHS: Compliant
    0
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      可用性
      库存:
      Available
      订购:
      3000
      输入数量:
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