參數(shù)資料
型號(hào)： 4609X-101-102
英文描述： WIDERSTAND NETZWERK DICKFILM 1K 5ST
中文描述： WIDERSTAND NETZWERK DICKFILM一千5ST
文件頁(yè)數(shù)： 41/62頁(yè)
文件大?。?/td> 1883K
代理商： 4609X-101-102
Specifications are subject to change without notice.
322
FOR PRODUCT SPECIFICATIONS, SEE PAGES 307 AND 308.
Bus termination (in this case, RC termination technique)
considerably reduces overshoots and ringings.
Transmission lines require termination when the time it takes
the signal to travel from one end of the line to the other (the
propagation delay) amounts to 1/2 or more of the edge rate of
the signal (signal rise time or fall time). In other words, termina-
tion is required when:
Tpd > (1/2)Te
Te = edge rate
Tpd = propagation delay
Present high-speed logic families have typical rise times of 2
nanoseconds, while the propagation delay of a common PCB is
about 1.77 ns per foot. Applying the above relationship, a trans-
mission line will require termination if it is longer than 7 inches.
High performance systems will commonly need Bourns termi-
nation networks for CPU address, data, and control lines. In
addition, clock inputs, write and read strobe lines, chip select or
output enable lines of high speed devices such as static RAMs,
PROMs, and PLDs will also need termination networks.
TERMINATION
TYPICAL
ADDS
RESISTOR CAPACITOR
TECHNIQUE
POWER
DELAY
VALUE
USAGE
RC
MEDIUM
NO
Zo
200-500pF
General Description
This series of RC Networks is designed to eliminate transmis-
sion line effects, such as signal reflections and ringing which
influence high speed CMOS. The Networks capacitor blocks
DC currents while acting as a short circuit during signal transmi-
tions, thus reducing power consumption. The capacitor also
holds the bus at the last logic level to avoid excessive currents.
Block Diagram Of CPU/BUS Configuration
Bus Termination Applications Of Bourns Networks
At high frequencies, the traces on a printed circuit board act
as transmission lines—in which impedance mismatches can
cause distortion of signals on that line. Terminating the lines
with resistor or resistor-capacitor networks provides the means
to match impedances and reduce signal distortion.
RC Terminator Networks 700 Series
相關(guān)PDF資料
PDF描述
4609X-101-103 Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits
4609X-101-104 WIDERSTAND NETZWERK DICKFILM 100K 5ST
4609X-101-105 Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits
4610M-901-103 KONDENSATOR NETZWERK
4610M-901-104 Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
4609X-101-102F 制造商:Bourns Inc 功能描述:
4609X-101-102FLF 制造商:Bourns / JW Miller 功能描述:Res Thick Film NET 1K Ohm 1% 1.13W 制造商:Bourns Inc 功能描述:RES THKFLM NET 1K OHM 1% 1.13W 100PPM/ C BUS 9SIP PIN TH - Bulk 制造商:Bourns Inc 功能描述:Res Thick Film NET 1K Ohm 1% 1.13W ±100ppm/°C BUS Conformal 9-Pin SIP Pin Thru-Hole Bulk 制造商:Bourns 功能描述:Res Thick Film NET 1K Ohm 1% 1.13W
4609X-101-102LF 功能描述:電阻器網(wǎng)絡(luò)與陣列 9pins 1Kohms Bussed RoHS:否 制造商:Vishay/Thin Film 產(chǎn)品類(lèi)型:Networks 電路類(lèi)型:Divider 電阻器數(shù)量: 電阻數(shù)值:10 kOhms 容差:0.1 % 溫度系數(shù): 管腳數(shù)量:3 工作溫度范圍:- 55 C to + 155 C 尺寸:1.02 mm W x 3.05 mm L x 1.4 mm H 引線(xiàn)間隔: 端接類(lèi)型:SMD/SMT 封裝:Reel
4609X-101-102LF 制造商:Bourns Inc 功能描述:RESISTORS NETWORKS THICK FILM NETWORK C
4609X101103 制造商:BOU 功能描述:SRN09B310 BOURNS S8E4B
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