DS2127+ Maxim Integrated Products, DS2127+ Datasheet - Page 2

• Manufacturer Part Number: DS2127+
• Description: IC TERM SCSI LVD/SE 48-LQFP
• Manufacturer: Maxim Integrated Products
• Type: SCSI, LVD, SEr

Specifications of DS2127+

• Number Of Terminations: 14
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 32 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Bits: 14
• Resistance: 110 Ohms
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
Voltage Range on All Pins Relative to Ground ......-0.3V to +6.0V
V
Operating Temperature Range...............................0°C to +70°C
Junction Temperature ......................................................+150°C
Ultra3 LVD/SE SCSI 14-Line Terminator
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(TPWR = V
2
TPWR Operating Supply Range
(Note 1)
TPWR SUPPLY CURRENT
TPWR Supply Current (All Lines
Open)
LVD TERMINATION (Applies to each line pair, 1 to 14 in LVD mode)
Differential-Mode Termination
Resistance
Common-Mode Termination
Resistance
Differential-Mode Bias
Common-Mode Bias
SE TERMINATION (Applies to single-ended terminators, 1 to 14 in SE mode)
Single-Ended Mode Termination
Resistance
Termination Current
SE Voltage Reference
Pin Leakage
Single-Ended GND Resistance
TERMINATOR PIN CAPACITANCE
Terminator Pin Capacitance
V
1.25V Regulator Output Voltage
1.25V Regulator Short-Circuit
Source Current
1.25V Regulator Short-Circuit
Sink Current
REF
REF
_____________________________________________________________________
Continuous Output Current....................................±200mA
REGULATOR
TPWR(MIN)
PARAMETER
to V
TPWR(MAX)
, T
I
I
SYMBOL
V
TPWR_LVD
I
TPWR_ISO
I
TPWR_SE
A
SOURCE
REF_LVD
V
R
V
I
R
R
V
V
TPWR
R
= 0°C to +70°C, unless otherwise noted.)
C
SINK
I
GND
REF
DM
CM
DM
CM
SE
SE
IN
LVD
SE
LVD SCSI mode
SE SCSI mode
ISO mode (terminators disabled)
R
(V
All lines open
R
R
at terminator pin with pin unloaded and
I
the pin forced to 0.2V
Signal level at 0.2V, all lines low
Signal level at 0.5V
With ISO high
Measured at R
With ISO high (Note 2)
0.5V ≤ V
and R
V
V
LX
P
P
SE
REF
REF
CM(MAX)
and R
and R
= current for each terminator pin with
= (V
= 0V
= 3.3V
N
lines simultaneously
CM
LX
N
N
= 2V, V
shorted together
shorted together (Note 1)
- 0.2) / I
≤ 2.0V, V
P
CONDITIONS
pins, I = 10mA
CM(MIN)
LX
Storage Temperature Range .............................-65°C to +160°C
Soldering Temperature .......................................See IPC/JEDEC
CM
, where V
applied to all R
= 0.5V)
LX
= voltage
P
104.5
-375
MIN
1.15
1.15
100
110
100
170
-21
-18
2.7
2.7
4
J-STD-020A Specification
TYP
1.25
2.85
1.25
-700
110
300
3.3
5.0
-24
20
-1000
115.5
MAX
-25.4
-22.4
1.35
1.35
750
110
165
125
400
700
5.5
5.5
3.0
32
10
60
3
UNITS
mA
mA
mV
mA
mA
µA
nA
pF
Ω
Ω
Ω
Ω
V
V
V
V