參數資料
型號： ML6554
廠商： Fairchild Semiconductor Corporation
英文描述： 3A Bus Termination Regulator
中文描述： 3A條總線終端穩(wěn)壓器
文件頁數： 12/14頁
文件大小： 386K
代理商： ML6554
ML6554
PRODUCT SPECIFICATION
12
REV. 1.1.3 3/8/02
Figure 12. Test Board Layout for
Θ
JA
vs. Airflow
Table 3. Termination Solutions Summary By Buss Type
Bus
Description
Gunning
Transceiver
Bus Plus
Driving
Method
Open Drain
VDDQ
5v or 3.3V
Note 10
VTT
V
REF
1.0V±2%
Note 11
Fairchild
Solutions
ML6554CU;
Mode: V
REF
Input = 1.5V,
V
CC
= 5V
Industry
System
Components
300 to 500MHz
Processor;
PC Chipsets;
GTLP 16xxx
Buffers;
Fairchild,
Texas Instr.
SSTL SDRAM;
Hitachi,
Fujitsu,
NEC, Micro,
Mitsubishi
GTL+
1.5V±10%
Note12
SSTL_2
Series Stub
Terminated
Logic for 2V
Symmetric
Drive,
Series
Resistance
2.5V±10%
0.5x
(V
DDQ
)
±3%
2.5V
ML6554CU
or ML6553CS;
Mode: V
REF
Input = Floating
or Forced,
V
CC
= 3.3V
ML6553CS;
Mode: V
REF
Input = Open,
V
CC
= V
DDQ
ML6553CS;
Mode: V
REF
Input = Open,
VCC = VDDQ
RAMBUS
RAMBUS
Signaling
Logic
Open Drain
None
Speci
fi
ed
2.5V
2.0V
nDRAM,
RAMBUS,
Intel, Toshiba
LV-TTL
Low Voltage
TTL Logic or
PECL or
3.3V VME
Symmetric
Drive
3.3±10%
V
DDQ
/2
3.3V
Processors or
backplanes;
LV-TTL
SDRAM,
EDO RAM
DRAWING NUMBER
ENG-CB-1007 REV A
Applicable Jedec Spec
JC 51-X (Note 1)
(Proposed Spec)
FR-4
Substrate Material
Dimensions (LxW) (Overall)
114.3 x 76.2mm
Dimensions (LxW) (Metallization)
55 x 65mm
Dimensions (LxW) (Inner Planes)
73 x 73mm
Thickness
1.6 mm
Pitch
1.27mm
Stackup (# Signal Layers, # Cu Planes)
1S2P
Cu Trace Coverage (Signal Layer)
12%
Cu Coverage (Internal Layer)
100%
Trace Width (Spec/Measured)
235.5
±
25.5/288
μ
m
70
±
14/67
μ
m
35
±
3.5/31
μ
m
Trace Cu Thickness (Spec/Measured)
Inner Cu Thickness (Spec/Measured)
Build #
C1797
Note 1: Proposed Spec "Thermal Test Board with Two Internal Solid Copper Planes for leaded Surface Mount Packages".
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相關代理商/技術參數
參數描述
ML65541 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:High Speed Octal Buffer/Line Drivers
ML65541CK 制造商:Rochester Electronics LLC 功能描述:- Bulk
ML65541CS 制造商:Rochester Electronics LLC 功能描述:- Bulk
ML6554CU 功能描述:開關變換器、穩(wěn)壓器與控制器 3A Bus Termination RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
ML6554CUX 功能描述:開關變換器、穩(wěn)壓器與控制器 3A Bus Termination RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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