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PI90LV02/PI90LVT02
SOTinyTM LVDS High-Speed Differential Line Receiver
Features
* Meets or Exceeds the Requirements of ANSI TIA/EIA-644-1995 Standard * Signaling rates up to 400 Mbps * Interfaces to LVDS, LVPECL * Bus-Terminal ESD exceeds 10kV * Differential Input Voltage Threshold less than 100mV * Typical Propagation Delay Times of 2.6ns * Typical Power Dissipation of 40mW @200 MHz * Low Voltage TTL (LVTTL) Level is 5V Tolerant * Open-Circuit Fail Safe * Output are High Impedance with VCC <1.5V * Integrated 110-ohm Line Termination Resistor (PI90LVT02) * Operates from a 3.3V supply * Input common-mode voltage range 0V-3.2V * Industrial Temperature Operating Range: -40C to 85C * Packaging (Pb-free & Green available): - 5-pin space-saving SOT-23 (T)
Description
The PI90LV02 and PI90LVT02 are single differential line receivers that use low-voltage differential signaling (LVDS) to support data rates up to 400 Mbps. These products are designed for applications requiring high-speed, low-power consumption, low-noise generation, and a small package. A differential input signal (350mV) is translated by the device to a 3.3V CMOS output level. The PI90LVT02 integrates the terminating resistor while the PI90LV02 requires an external resistor.
Applications
Applications include point-to-point and multi-drop baseband data transmissions over impedance media of approximately 100-ohms. The transmission media can be printed circuit board traces, backplanes, or cables. The PI90LV02 and PI90LVT02 and companion line drivers (PI90LV01 and PI90LVB01) provide new alternatives to RS-232, PECL, and ECL devices for high-speed, point-to-point interface applications.
Logic Diagram
PI90LV02 A B 3 5 4 ROUT
Pinout
VCC GND
1 2 3
5
ROUT
PI90LVT02 A B 3 4 110-ohm 5 ROUT
A
4
B
Function Table
Inputs VID =VA -VB VID >50mV -50mV < VID < 50mV VID -50mV O pen
H = high level L = low level ? = indeterminate 1
PS8659B 09/28/04
Outputs ROUT H ? L H
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PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
Absolute Maximum Ratings Over Operating Free-Air Temperature
(unless otherwise noted) Supply Voltage Range, VCC(1) .................................................................................. -0.5V to 4V Voltage Range (A, B , or ROUT) ...................................................... -0.5 to VCC +0.5V ESD rating (HBM, 1.5K-ohms, 100pF) ............................................................ 10KV Continuous total power dissipation ................................. See dissipation rating table Storage Temperature Range ................................................................ -65C to 150C Lead Temperature 1.6 mm (1/16 inch) from case for 10 seconds ......................... 250C
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 under "Recommended Operating Conditions" is not implied. Exposure to AbsoluteMaximum-Rated conditions for extended periods may affect device reliability. Notes: 1. All voltage values, except differential I/O bus voltages, are with respect to ground terminal.
Dissipation Rating Table
Package 5- Pin SOT- 23 (T) TA 25C Powe r Rating 385mW De rating Factor Above TA = 25C** 3.1mW/C TA = 85C Powe r Rating 200mW
**This is the inverse of the junction-to-ambient thermal resistance when board-mounted (low-K) and with no air flow.
Recommended Operating Conditions
M in. Supply Voltage, VC C Magnitude of differential input voltage, |VID | 3.0 0.1 0 Nom. 3.3 M ax. 3.6 0.6 | VID | 2.0 - --- 2 VC C -0.8 Operating free- air temperature, TA -40 85 C V Units
Common- Mode Input Voltage, VIC (See Figure 6)
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VIC - Common-Mode Input Voltage - V
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COMMON-MODE INPUT VOLTAGE vs. DIFFERENTIAL INPUT VOLTAGE 3 2.5 VCC = 3.6V 2 VCC = 3.6V 1.5 VCC = 3.6V 1 0.5 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 I VID I - Differential Input Voltage - V 0.8
PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
Figure 1. VIC vs. VID and VCC
Electrical Characteristics, VCC = 3V to 3.6V (Over Recommended Operating Conditions, unless otherwise noted).
Symbol VITH+ VITH- VOH VOL ICC Parame te r Positive- going differential input voltage threshold Negative- going differential input voltage threshold High- level output voltage Low- level output voltage Supply current LV02 II Input current (A or B inputs) LVT02 LV02 LVT02 LV02 LVT02 LV02 LVT02 Te s t Conditions See Figure 2, & Table 1 IOH = -8mA IOL = 8mA No load, Steady state VI = 0V VI = 0V, Other input open VI = 2.4V or VCC -0.8 VI = 2.4V, Other input open VIA = 0V, VIB = 0.1V VIA = 2.4V, VIB = 2.3V VIA = 2.4V, VIB = 2.3V VCC = 0V, VI = 2.4V VCC = 0V, VI = 2.4V, Other input open 1.5 1.8 -1.2 -2.4 2 2.2 20 40 A mA M in. Typ.(1) M ax. 10 0 -100 2.4 3 0.25 4 0.4 7 20 40 A mA Units mV V
IID
High- level input current (IIA - IIB)
II(OFF)
Power- off input current (A or B inputs)
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PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
Receiver Switching Characteristics, VCC = 3V to 3.6V (Over Recommended Operating Conditions, unless noted).
Symbol tPLH tPHL tr tf tsk(p) tPZH tPZL tPHZ tPLZ Parame te r Propagation delay time, low- to- high level output Propagation delay time, high- to- low level output Output signal rise time Output signal fall time Pulse skew (tPHL - tPLH)
(2)
Te s t Conditions CL = 10pF, See Figure 3
M in. 1.3 1.3
Typ.(1) 2.1 2.0 0.7 0.7 0.1 1.5
M ax. 3.2 3.2 1.4 1.4 0.5 3.1 6.0 3.5 7.6
Units
ns
Propagation delay time, high- level- to- high- impedance output
Propagation delay time, low- level- to- low- impedance output Propagation delay time, high- impedance- to- high- level output Propagation delay time, low- impedance- to- high- level output
See Figure 4
4.0 2.5 6.0
Notes: 1. All typical values are at 25C and with a 3.3V supply 2. tsk(p) is the magnitude of the time difference between the high-to-low and low-to-high propagation delay times at an output.
Parameter Measurement Information
A VIA + VIB 2 VIC VIB VID VIA B ROUT VO
Figure 2. Receiver Voltage Definitions
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PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
Table 1. Receiver Minimum and Maximum Input Threshold Test Voltages
Applie d Voltage s (V) VIA 1.25 1. 15 2.4 2.3 0.05 0 1. 5 0.9 2.4 1. 8 0.6 0 VIB 1.20 1.20 2.35 2.35 0 0.05 0.9 1.5 1. 8 2.4 0 0.6
Re s ulting Diffe re ntial Input Voltage (mV) VID 50 -5 0 50 -50 50 -50 600 -600 600 -600 600 -6 0 0
Re s ulting Common-M ode Input Voltage (V) VIC 1.2 1.2 2.35 2.35 0.05 0.05 1. 2 1. 2 2.1 2.1 0.3 0.3
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PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
ROUT VIA VIB VID
CL
10pF
VO
VIA VIB
1.4V
1V
VID
0.4V
0V
-0.4V
tPHL
VO
tPLH
VOH 1.4V
80% 20%
VOL
With VCC = 3.3V
tf
tf
Note A:
All input pulses are supplied by a generator having the following characteristics: tr or tf 1ns, pulse repetition rate (PRR) = 50 Mpps, pulse width = 10 0.2ns. CL includes instrumentation and fixture capacitance within 0.06m of the D.U.T. To verify input max signalling rate, the input signal transition time (tr/tf) should not exceeds 1.25ns.
Note B:
Figure 3. Timing Test Circuit and Waveforms
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PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
1.2 V
B 500 A
Inputs
EN
CL 10 pF
VO
+ -
VTEST
NOTE A: All input pulses are supplied by a genertor having the following characteristics: tr or tf 1ns, pulse repetition rate (PRR) = 0.5 Mpps, pulse wide = 500 10ns. CL includes instrumentation and fixture capacitance within 0.06m of the D.U.T. NOTE B: To verify input max signalling rate, the input signal transition time (tr/tf) should not exceeds 1.25ns. 2.5 V VTEST B 1V 2V EN 1.4 V 0.8 V tPZL tPZL tPLZ 2.5 V ROUT VTEST A EN 1.4 V VOL +0.5 V VOL 0V 1.4 V 2V 1.4 V 0.8 V tPZH tPZH tPHZ VOH 1.4 V 0V
ROUT
VOH -0.5 V
Figure 4. Enable/Disable Time Test Circuit and Waveforms
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VOH - High-Level Output Voltage - V
3 2.5 2 1.5 1 0.5 0 -70
VCC = 3.3V
VOL - Low-Level Output Voltage - V
tPHL - High-to-Low Level Propagation Delay Time - ns
tPLH - Low-to-High Level Propagation Delay Time - ns
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PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
HIGH-LEVEL OUTPUT VOLTAGE VS. HIGH-LEVEL OUTPUT CURRENT 4 3.5
4 3.5 3
LOW-LEVEL OUTPUT VOLTAGE VS. LOW-LEVEL OUTPUT CURRENT
VCC = 2.7V
2.5 2 1.5
VCC = 3.3V
VCC = 2.7V
1 0.5 0
-60
-50
-40
-30
-20
-10
0
0
10
20
30
40
50
60
70
IOH - High-Level Output Current - mA
IOL - Low-Level Output Current - mA
Figure 5
Figure 6
HIGH-TO-LOW LEVEL PROPAGATION DELAY TIME VS. FREE-AIR TEMPERATURE 2.9 2.85
VCC = 2.4V
LOW-TO-HIGH LEVEL PROPAGATION DELAY TIME VS. FREE-AIR TEMPERATURE 3 2.9 2.8 2.7 2.6 2.5
VCC = 3V VCC = 2.4V
2.8 2.75
VCC = 3.6V
VCC = 3.3V VCC = 3.6V
2.7 2.65
VCC = 3.3V
2.6 2.55 2.5 2.45 2.4 -40
VCC = 2.7V VCC = 3V
2.4 2.3 2.2 -40
VCC = 2.7V
-20
0 20 40 60 TA - Free-Air Temperature - C
80
100
-20
0 20 40 60 80 TA - Free-Air Temperature - C
100
Figure 7
Figure 8
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PS8659B
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PI90LV02/PI90LVT02 SOTiny LVDS High-Speed Differential Line Receiver
TM
Packaging Mechanical: 5-Pin SOT-23 (T)
.075 1.90 BSC
5
4 .059 1.50 .068 1.75 .102 2.60 .118 3.00 0" - 10" Datum "A"
1
2
3
.037 0.95 BSC .110 2.80 .118 3.00
.004 0.10 .023 0.60 .014 0.35 .019 0.50 X.XX DENOTES DIMENSIONS X.XX IN MILIMETERS
.057 1.45 MAX. SEATING PLANE .000 0.00 .005 0.15
Ordering Information
Ordering Code PI90LV02TX PI90LV02TEX PI90LVT02TX PI90LVT02TEX Package Code T T T T Package Description 5-pin, SOT23 Pb-free & Green, 5-pin, SOT23 5-pin, SOT23 Pb-free & Green, 5-pin, SOT23 Top Marking L5 L5 L6 L6
Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. X = Tape and reel
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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PS8659B 09/28/04

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