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參數(shù)資料
| 型號(hào)： | DS2125 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | Ultra3 LVD/SE SCSI 15-Line Terminator |
| 中文描述： | 15-LINE 110 ohm SCSI BUS TERMINATOR, PQFP48 |
| 封裝： | MO-136, LQFP-48 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 232K |
| 代理商： | DS2125 |
1 of 7
REV: 052604
Note:
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata
.
GENERAL DESCRIPTION
The DS2125 Ultra3 LVD/SE SCSI terminator is both
a low-voltage differential (LVD) and single-ended
(SE) terminator. The multimode operation enables
the designer to implement LVD in current products
while
allowing
the
end
compatibility with legacy devices. If the device is
connected in an LVD-only bus, the DS2125 uses
LVD termination. If any SE devices are connected to
the bus, the DS2125 uses SE termination, which is
accomplished automatically inside the part by
sensing the voltage on the SCSI bus DIFFSENS line.
user
SE
backward
For the LVD termination, the DS2125 integrates two
current sources with 15 precision resistor strings. For
the SE termination, one regulator and 15 precision
110 resistors are used. Two DS2125 terminators
are needed for a wide SCSI bus.
APPLICATIONS
Raid Systems
SCSI Host Bus Adapter (HBA) Cards
Servers
SCSI Cables
Network Attached Storage (NAS)
Storage Area Networks (SANs)
ORDERING INFORMATION
PART
TEMP RANGE
DS2125
0°C to +70°C
FEATURES
Fully Compliant with Ultra3 SCSI
Provides Multimode Low-Voltage
Differential/Single-Ended (LVD/SE) Termination
for 15 Signal Line Pairs
Auto-Selection of LVD or SE Termination
5% Tolerance on SE and LVD Termination
Resistance
Low 3pF Power-Down Capacitance
On-Board Thermal-Shutdown Circuitry
SCSI Bus Hot-Plug Compatible
Fully Supports Actively Negated SE SCSI
Signals
PIN CONFIGURATION
TOP VIEW
PIN-PACKAGE
48 LQFP
DS2125
Ultra3 LVD/SE SCSI 15-Line Terminator
www.maxim-ic.com
R14N
R14P
R13N
R13P
R12N
R12P
R11N
R11P
R10N
R10P
R9N
R9P
48
47
46
45
44
43
42
41
40
39
38
37
25
26
27
28
29
30
31
32
33
34
35
36
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
R15P
HS_GND
TPWR
HS_GND
HS_GND
R15N
HS_GND
HS_GND
HS_GND
V
REF
R1P
R1N
R2P
R2N
R3P
R3N
R4P
R4N
R5P
R5N
R6P
R6N
R7P
R7N
HS_GND
HS_GND
HS_GND
ISO
DIFFSENSE
DIFF_CAP
HS_GND
HS_GND
HS_GND
R8P
R8N
GND
Dallas
Semiconductor
DS2125
LQFP
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2125/T&R | 制造商:Maxim Integrated Products 功能描述:IC TERM SCSI ULT3 LVD/SE 48-LQFP |
| DS2125/T&R | 功能描述:IC TERM SCSI ULT3 LVD/SE 48-LQFP RoHS:否 類(lèi)別:集成電路 (IC) >> 接口 - 信號(hào)終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類(lèi)型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| DS2125/T&R+C01 | 功能描述:SCSI 接口集成電路 RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| DS2125+ | 功能描述:SCSI 接口集成電路 RoHS:否 制造商:Texas Instruments 工作電源電壓:2.7 V to 5.25 V 電源電流:13 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SSOP-36 封裝:Tube |
| DS2125+T&R | 制造商:Maxim Integrated Products 功能描述:IC TERM SCSI ULT3 LVD/SE 48-LQFP |
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