参数资料
型号: G220D3X
厂商: Global Mixed-mode Technology Inc.
英文描述: Ultra320 Multi-mode LVD/SE SCSI Terminator
中文描述: Ultra320的多模内径/东南的SCSI终结者
文件页数: 1/9页
文件大小: 201K
代理商: G220D3X
Ver: 0.1 Preliminary
Apr 03, 2003
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G220
Global Mixed-mode Technology Inc.
Ultra320 Multi-mode LVD/SE SCSI Terminator
Features
Auto-selectable multi-mode Single-Ended
or LVD Termination
Meets SCSI-1, SCSI-2, SCSI-3 SPI Ultra
(Fast-20), Ultra 2(SPI-2 LVD), Ultra160 (SPI-3
LVD), and Ultra320 (SPI-4 LVD) standards
Supports active negation
3pF channel capacitance
2.9V to 5.5V operation
Thermal protection
Hot-Swap compatible
5% tolerance on SE and LVD termination
resistance
SE/LVD mode indicators
28 pin TSSOP package
Applications
Server and workstation
High-end PC
Industrial PC
Disk Array (RAID)
SCSI cable
General Description
The G220 Multi-mode LVD/SE SCSI terminator pro-
vides a smooth transition into the next generation of
the SCSI Parallel Interface (SPI-4). It automatically
senses the bus, via DIFFSENS, and switches the ter-
mination to either single-ended (SE) or low voltage
differential (LVD) SCSI, dependent on which type of
devices are connected to the bus. If the G220 detects
a HVD SCSI device, it switches to a high impedance
state. For a 16-bit Wide SCSI bus to be operational,
three G220 terminators are needed.
The Multi-mode terminator contains all functions re-
quired to terminate and auto detect and switch modes
for SCSI Parallel Interface (SPI) bus architectures. For
the SE termination, one regulator and nine precision
110ohm resistors are used. For the LVD termination,
the G220 integrates 18 regulated supplies with nine
precision resistor strings.
Ordering Information
ORDER
NUMBER
MARKING
TEMP.
RANGE
PACKAGE
G220D3X
G220
0
°C to +70°C
TSSOP-28L
Note: X Specify the packing type
U: Tape & Reel
T: Tube
Pin Configuration
R1-
R1+
R2-
NC/ HS GND
R3+
R3-
R4+
R4-
R5+
R5-
DISCNCT
GND
TPWR
R9-
R9+
R8+
R8-
R7-
R6-
R6+
DIFFB
DIFFSENSE
M/S
TSSOP-28L
VREF
R2+
LVD
R7+
G220
1
2
3
4
28
27
26
25
5
6
7
8
9
10
11
12
13
14
24
23
22
21
20
19
18
17
16
15
SE
R1-
R1+
R2-
NC/ HS GND
R3+
R3-
R4+
R4-
R5+
R5-
DISCNCT
GND
TPWR
R9-
R9+
R8+
R8-
R7-
R6-
R6+
DIFFB
DIFFSENSE
M/S
TSSOP-28L
VREF
R2+
LVD
R7+
G220
1
2
3
4
28
27
26
25
5
6
7
8
9
10
11
12
13
14
24
23
22
21
20
19
18
17
16
15
SE
相关PDF资料
PDF描述
G261P1U Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
G261P1UF Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
G261P3U Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
G261P3UF Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
G261 Low Voltage Differential (LVD) SCSI 27 Line Regulator Set
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