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G218B Datasheet, PDF (5/11 Pages) Global Mixed-mode Technology Inc – Ultra160 Multi-mode LVD/SE SCSI Terminator
Global Mixed-mode Technology Inc.
Recommended Operating Conditions
PARAMETER
Termpower Voltage
Logic 0
Logic 1
Operating Temperature
SYMBOL
Vtpwr (SE)
Vtpwr (LVD)
Vil
Vih
Tamb
MIN
4.0
2.9
-0.3
2.0
0
TYP
5
5
---
---
---
G218B
MAX
5.5
5.5
+0.8
Vtpwr+0.3
70
UNITS
V
V
V
°C
Electrical Characteristics
Unless otherwise specified, these specifications apply over the operating ambient temperature range of
0°C≤TA≤70°C.
PARAMETER
SYMBOL
Condition
LVD Terminator Section
Differential Mode Termination Resistance Rdm
Common Mode Termination Resistance Rcm
Differential Mode Bias
Vdm
All lines Open
Common Mode Bias
Vcm
Single Ended Terminator Section
Output Capacitance
Cout
Note
SE Termination Resistance
Rse
Vline = 0-3.0 volts
SE Voltage Reference
Vref
SE output Current
Iose
Vline = 0.2 volts
Regulator Section
Line Regulation
LIREG
Load Regulation
LOREG
Current Limit
ILIM
Sink Current
ISINK
DC Section
Termpower Current
SE mode (No Load)
Itpmr
LVD mode (No Load)
Input Leakage High
Iih
Input Leakage Low
Output Current High
Iil
Ioh Vout = 2.4 volts;SE/LVD/HVD Pins only
Output Current Low
DIFFSENS Section
Iol Vout=0.4 volts;SE/LVD/HVD Pins only
DIFFSENS SE Operating Range
Vseor
DIFFSENS LVD Operating Range
DIFFSENS HVD Operating Range
DIFFSENSE Driver Output Voltage
Vlvdor
Vhvdor
Vdso
M/S=1; Ids = 0-5mA
DIFFSENSE Driver Source Current
Idsh M/S = 1; Vdso=0V
DIFFSENSE Driver Sink Current
Note: Guaranteed by Design.
Idsl M/S=1; Vdso=2.75V
MIN TYP MAX UNITS
100 105
110 150
100 112
1.125 1.25
110
190
125
1.375
Ohms
Ohms
mV
V
104.5 110
2.79 2.85
3
115.5
2.93
25.4
pF
Ohms
Volts
mA
1.0 2.5
%
1.3 3.5
%
350
mA
200
mA
4
mA
20
-1.0
µA
1.0
µA
-1.0
mA
4.0
mA
-0.3
0.5
V
0.7
1.9
V
2.4
Vtpwr+0.3 V
1.2
1.4
V
5
15
mA
20
200
µA
Ver 1.4
Apr 07, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
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