參數(shù)資料
型號(hào)： ASM2I2310AGNZ-28-AT
廠商： ALLIANCE SEMICONDUCTOR CORP
元件分類： 時(shí)鐘及定時(shí)
英文描述： Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:50VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to +105 C; Capacitance:3300uF RoHS Compliant: Yes
中文描述： 2310 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28
封裝： 0.209 INCH, GREEN, SSOP-28
文件頁數(shù)： 8/12頁
文件大?。?/td> 501K
代理商： ASM2I2310AGNZ-28-AT
June 2005
rev 0.4
Application Information
ASM2I2310ANZ
3.3V SDRAM Buffer for Mobile PCs with 4 SO-DIMMs
8 of 12
Notice: The information in this document is subject to change without notice.
Cd = 0.1
μ
F
Clock traces must be terminated with either series or parallel termination, as is normally done.
Summary
Surface mount, low-ESR, ceramic capacitors should be used for filtering. Typically, these capacitors have a value of
0.1
μ
F. In some cases, smaller value capacitors may be required.
The value of the series terminating resistor satisfies the following equation, where Rtrace is the loaded characteristic
impedance of the trace, Rout is the output impedance of the buffer (typically 25
), and Rseries is the series terminating
resistor.
Rseries > Rtrace – Rout
Footprints must be laid out for optional EMI-reducing capacitors, which should be placed as close to the terminating
resistor as is physically possible. Typical values of these capacitors range from 4.7pF to 22pF.
A Ferrite Bead may
be used to isolate the Board V
DD
from the clock generator V
DD
island. Ensure that the Ferrite Bead
offers greater than 50
impedance at the clock frequency, under loaded DC conditions.
If a Ferrite Bead is used, a 10
μ
F–22
μ
F tantalum bypass capacitor should be placed close to the Ferrite Bead. This
capacitor prevents power supply droop during current surges.
Rs
BUF_IN
SDATA
SCLK
V
DD
V
SS
Rs
SDRAMX
C
t
V
DD
ASM2I2310ANZ
SSOP 28
Cd = Decoupling Capacitor
Ct = Optional EMI-Reducing Capacitor
Rs = Series Terminating Resistors
X = 0 to 10
CPUCLK
SDATA
SCLK
相關(guān)PDF資料
PDF描述
ASM2I2310ANZ Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:63VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to +105 C; Capacitance:3300uF RoHS Compliant: Yes
ASM2I2313ANZ-28-SR Circular Connector; No. of Contacts:128; Series:MS27508; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Socket; Circular Shell Style:Box Mount Receptacle RoHS Compliant: No
ASM2I2313ANZ-28-ST 13 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
ASM2I2313AGNZ-28-SR 13 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
ASM2I2313AGNZ-28-ST Aluminum Electrolytic Capacitor; Capacitor Type:General Purpose; Voltage Rating:250VDC; Capacitor Dielectric Material:Aluminum Electrolytic; Operating Temperature Range:-40 C to +105 C; Capacitance:390uF RoHS Compliant: Yes
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ASM2I2310ANZ 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V SDRAM Buffer for Mobile PCs with 4 SO-DIMMs
ASM2I2310ANZ-28-AR 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V SDRAM Buffer for Mobile PCs with 4 SO-DIMMs
ASM2I2310ANZ-28-AT 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V SDRAM Buffer for Mobile PCs with 4 SO-DIMMs
ASM2I2313AGNZ-28-SR 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:13 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
ASM2I2313AGNZ-28-ST 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:13 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
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