DS90LV027MX [NSC]
IC DUAL LINE DRIVER, PDSO8, SOIC-8, Line Driver or Receiver;
| 型号： | DS90LV027MX |
| 厂家： | 
National Semiconductor |
| 描述： | IC DUAL LINE DRIVER, PDSO8, SOIC-8, Line Driver or Receiver 驱动器 |
| 文件： | 总4页 (文件大小：483K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
August 2005
DS90LV027
LVDS Dual High Speed Differential Driver
General Description
Features
n Ultra Low Power Dissipation
n Operating Range above 155 Mbps
n Flow-through pinout simplifies PCB layout
n Conforms to TIA/EIA-644 Standard
n 8-Lead SOIC Package Saves Space
n VCM 1V center around 1.2V
The DS90LV027 is a dual LVDS driver device optimized for
high data rate and low power applications. The DS90LV027
is a current mode driver allowing power dissipation to remain
low even at high frequency. In addition, the short circuit fault
current is also minimized. The device is in a 8-lead small
Outline Package. The DS90LV027 has a flow-through de-
sign for easy PCB layout. The differential driver outputs
provides low EMI with its low output swings typically 340 mV.
Perfect for high speed transfer of clock and data. Pair with
any of National’s LVDS receivers.
n Low Differential Output Swing Typical 340 mV
n Power Off Protection (outputs in high impedance)
Connection Diagram
Dual-In-Line
10002901
Order Number DS90LV027M
See NS Package Number M08A
Functional Diagram
10002902
10002903
© 2005 National Semiconductor Corporation
DS100029
www.national.com
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Lead Temperature Range
Soldering (4 sec.)
+260˚C
ESD Rating (Note 4)
(HBM 1.5 kΩ, 100 pF)
≥ 4.5 kV
Supply Voltage (VCC
)
−0.3V to +6V
−0.3V to (VCC + 0.3V)
−0.3V to +3.9V
Input Voltage (DI)
Recommended Operating
Conditions
Output Voltage (DO )
@
Maximum Package Power Dissipation +25˚C
Min
3.0
0
Typ
3.3
25
Max
3.6
70
Units
V
M Package
1190 mW
Supply Voltage (VCC
)
Derate M Package
9.5 mW/˚C above +25˚C
−65˚C to +150˚C
Temperature (TA)
˚C
Storage Temperature Range
Electrical Characteristics
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified. (Notes 2, 3, 7)
Symbol
Parameter
Conditions
Pin
Min
Typ
Max
450
Units
DIFFERENTIAL DRIVER CHARACTERISTICS
VOD
∆VOD
VOH
VOL
VOS
∆VOS
IOZD
IOXD
IOSD
VIH
Output Differential Voltage
VOD Magnitude Change
Output High Voltage
Output Low Voltage
Offset Voltage
RL = 100Ω (Figure 1)
DO+,
DO−
250
0
340
10
mV
mV
V
35
1.43
1.09
1.25
5
1.6
0.9
0.9
0
V
1.6
25
V
Offset Magnitude Change
TRI-STATE® Leakage
Power-off Leakage
mV
µA
µA
mA
V
VOUT = VCC or GND
0
1
10
VOUT = 3.6V or GND, VCC = 0V
0
1
10
Output Short Circuit Current
Input High Voltage
−4
−6
DI
2.0
VCC
0.8
10
VIL
Input Low Voltage
GND
V
IIH
Input High Current
VIN = 3.6V or 2.4V
VIN = GND or 0.5V
ICL = −18 mA
1
1
µA
µA
V
IIL
Input Low Current
10
VCL
ICC
Input Clamp Voltage
Power Supply Current
−1.5
−0.8
1
No Load
VIN = VCC or GND
VCC
4
mA
mA
RL = 100Ω
8
11
Switching Characteristics
Over Supply Voltage and Operating Temperature Ranges, unless otherwise specified. (Notes 5, 6)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
DIFFERENTIAL DRIVER CHARACTERISTICS
tPHLD
tPLHD
tSKD
tTLH
Differential Propagation Delay High to Low
Differential Propagation Delay Low to High
RL = 100Ω, CL = 5 pF
(Figure 2 and Figure 3)
1.5
1.5
0
3.4
3.5
0.1
1
6
6
ns
ns
ns
ns
ns
Differential Skew |tPHLD − tPLHD
Transition Low to High Time
Transition High to Low Time
|
1.9
3
0
tTHL
0
1
3
Note 1: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices
should be operated at these limits. The table of “Electrical Characteristics” specifies conditions of device operation.
Note 2: Current into device pins is defined as positive. Current out of device pins is defined as negative. All voltages are referenced to ground except V
.
OD
Note 3: All typicals are given for: V
= +3.3V and T = +25˚C.
A
CC
Note 4: ESD Rating: HBM (1.5 kΩ, 100 pF) ≥ 4.5 kV
Note 5: C includes probe and fixture capacitance.
L
Note 6: Generator waveform for all tests unless otherwise specified: f = 1 MHz, Z = 50Ω, t ≤ 6 ns, t ≤ 6 ns (10%-90%).
O
r
f
Note 7: The DS90LV027 is a current mode device and only function with datasheet specification when a resistive load is applied to the drivers outputs.
www.national.com
2
Parameter Measurement Information
10002904
FIGURE 1. Differential Driver DC Test Circuit
10002905
FIGURE 2. Differential Driver Propagation Delay and Transition Time Test Circuit
10002906
FIGURE 3. Differential Driver Propagation Delay and Transition Time Waveforms
Application Information
Truth Table
TABLE 1. Device Pin Descriptions
Pin #
2, 3
6, 7
5, 8
4
Name
Description
DI
TTL/CMOS driver input pins
Input/Output
DO+ Non-inverting driver output pin
DO− Inverting driver output pin
GND Ground pin
DI
L
DO+
L
DO−
H
H
H
L
1
VCC
Positive power supply pin,
+3.3V 0.3V
>
<
DI 0.8V and DI 2.0V
X
X
H = Logic high level
L = Logic low level
X = indeterminant
3
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Physical Dimensions inches (millimeters) unless otherwise noted
Order Number DS90LV027M
NS Package Number M08A
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves
the right at any time without notice to change said circuitry and specifications.
For the most current product information visit us at www.national.com.
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