參數(shù)資料
型號(hào): DS2108
英文描述: Differential SCSI Switchable Terminator
中文描述: 差分SCSI可切換端接器
文件頁數(shù): 4/5頁
文件大?。?/td> 68K
代理商: DS2108
DS2108
4 of 5
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-7.0V to +12.0V
0
°
C to 70
°
C
-55
°
C to +125
°
C
260
°
C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
TERMPWR Voltage
PD
Active
PD
Inactive
(0°C to 70°C)
UNITS
V
V
V
SYM
V
TP
V
PDA
V
PDI
MIN
4.00
-0.3
2.00
TYP
MAX
5.25
0.8
V
TP
+
0.3
NOTES
DC CHARACTERISTICS
PARAMETER
TERMPWR Current
Power-down Current
Command Mode
Voltage
Termination Resistance
Termination Resistance
Termination Resistance
Power-down
Termination
Capacitance
SYMBOL
I
TP
I
PD
V
em
MIN
TYP
56
1
MAX
65
2
12.0
UNITS
mA
mA
V
NOTES
1, 6
1, 5
7, 8
7.0
R
TTN
R
TNP
R
TPG
C
PD
313.5
142.5
313.5
330
150
330
5
346.5
157.5
346.5
6
ohms
ohms
ohms
pF
2
3
4
1, 5, 7
NOTES:
1.
4.00V < TERMPWR < 5.25V
2.
330
=
resistor between TERMPWR and -SIGNAL.
3.
150
=
resistor between -SIGNAL and +SIGNAL.
4.
330
=
resistor between +SIGNAL and GDN.
5.
PD
= 0.0V.
6.
Signal pins left open.
7.
Guaranteed by design; not production tested.
8.
Signal lines RxN and RxP only.
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