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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051
3.3V Boost LVDS High-Speed Differential Line Drivers and Receivers
Product Features
* Signaling Rates >660 Mbps (330 MHz) * Single 3.3V Power Supply Design * Driver: -- 350mV Differential Swing into a 50 ohm load -- Propogation Delay of 1.5ns Typ. -- Low Voltage TTL (LVTTL) Inputs are 5V Tolerant -- Driver is High Impedance when Disabled or VCC < 1.5V * Receiver: -- Accepts 50mV (min.) Differential Swing with up to 2.0V ground potential difference -- Propagation Delay of 3.3ns Typ. -- Low Voltage TTL (LVTTL) Outputs -- Open, Short, and Terminated Fail Safe * Industrial Temperature Operating Range: -40C to 85C * Package Options: SOIC, TSSOP, MSOP * Bus-Terminal ESD > 12kV
Product Description
The PI90LVB179, PI90LVB180, PI90LVB050, and PI90LVB051 are differential line drivers and receivers (transceivers) that are similar to the IEEE 1596.3 SCI and ANSI/TIA/EIA-644 LVDS standards (the difference is that the driver output current is doubled). This modification enables true half-duplex operation with more than one LVDS driver or with two line transmission resistors over a 50 ohm differential transmission line. These devices use low-voltage differential signaling (LVDS) to achieve data rates in excess of 660 Mbps while being less susceptible to noise than single-ended transmission. The drivers translate a low-voltage TTL/CMOS input into a lowvoltage (350mV typical) differential output signal into a 50-ohm load. The receivers translate a differential 350mV input signal to a 3V CMOS output level. Driver section can be independently set to a power-down and high-impedance output mode with the DEN pin (active HIGH). Receiver section is controlled by the REN* pin (active LOW).
Applications
Applications include point-to-point and multidrop baseband data transmission over a controlled impedance media of approximately 50 ohms. These include intra-system connections via printed circuit board traces or cables, hubs and routers for data communi- cations; PBXs, switches, repeaters and base stations for telecommunications and other applications such as digital cameras, printers and copiers.
PI90LVB179
PI90LVB050
DIN1 DOUT1+ DOUT1DOUT2+ DOUT2RIN1+ RIN1RIN2+ RIN2RIN1 RIN1+ ROUT1 REN* ROUT2 RIN2+ RIN2 GND VCC DIN1 DOUT1+ DOUT1 DEN DOUT2 DOUT2+ DIN2
VCC ROUT DIN GND
1 2 3 4
8
8-Pin U, W
7 6 5
RIN+ RIN DOUT DOUT+
DIN
DOUT+ DOUTRIN+ RIN-
ROUT
1 2 3 4 5 6 7 8
16 15 14 16-Pin 13 L, W 12 11 10 9
DEN DIN2 ROUT1 REN* ROUT2
PI90LVB180
PI90LVB051
DIN1 DOUT1+ DOUT1RIN1+ RIN1DOUT2+ DOUT2RIN2+ RIN2-
NC ROUT REN* DEN DIN GND GND
1 2 3 4 5 6 7
14 13 14-Pin 12 11 L, W 10 9 8
VCC VCC RIN+ RIN DOUT DOUT+ NC
DIN DEN REN* ROUT
DOUT+ DOUT-
RIN+ RIN-
RIN1 RIN1+ ROUT1 DEN1 ROUT2 RIN2+ RIN2 GND
1 2 3 4 5 6 7 8
16 15 14 16-Pin 13 L, W 12 11 10 9
VCC DIN1 DOUT1+ DOUT1 DEN2 DOUT2 DOUT2+ DIN2
DEN1 ROUT1 DIN2 DEN2 ROUT2
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Pin Descriptions
Function Tables
PI90LVB179 Receiver
Name
De s cription TTL/CMOS driver input pins Non- inverting driver output pins Inverting driver output pins TTL/CMOS receiver output pins Non- inverting receiver input pins Inverting receiver input pins Input Differential Signal Voltage Ground pin Positive power supply pin, +3.3V 10%
Inputs VID = VRIN+ - VRIN- VID 50mV -50mV < VID < 50mV VID -50mV open
PI90LVB179 Driver
Output ROUT H ? L H
DIN DOUT+ DOUT+ ROUT RIN+ RIN- VID
Input DIN L H open DOUT+ L H L
Output DOUT- H L H
GND VCC
Absolute Maximum Ratings Supply Voltage (VCC) ................................................... -0.5V to +4.0V Driver Input Voltage (DIN) ....................................... -0.3V to (Vcc + 0.3V) Output Voltage (DOUT+, DOUT-) .............................. -0.3V to +3.9V Short Circuit Duration (DOUT+, DOUT-) ........................ Continuous Enable Input Voltage (DEN) ........................... -0.3V to (VCC + 0.3V) Receiver Input Voltage (RIN+, RIN-) ....................................... -0.3V to +3.9V) Output Voltage (ROUT) .................................. -0.3V to (VCC + 0.3V) Enable Input Voltage (REN*) .......................... -0.3V to (VCC + 0.3V) Storage Temperature Range ................................. -65C to +150C Lead Temperature Range Soldering (4s) .............................. +260C Maximum Junction Temperature ........................................... +150C ESD Rating ...............................................................................>12kV Recommended Operating Conditions
PI90LVB180/ PI90LVB050/PI90LV0B51 Receiver
Inputs VID = VRIN+ - VRIN- VID 50mV -50mV < VID < 50mV VID -50mV open X REN* L L L L H
Output ROUT H ? L H Z
PI90LVB180/PI90LVB050/PI90LVB051 Driver
M in. Supply Voltage (VCC) High Level Input Voltage, VIH Low Level Input Voltage, VIL Magnitude of Differential Input Voltage |VID| Common- mode Input Voltage, VIC (Fig 5) Operating Free Air Temperature TA 0.1 |VID| /2 3 2
Typ. 3.3
M ax. 3.6
Units
Inputs DIN L H open X DEN H H H L
Output DOUT+ L H L Z DOUT- H L H Z
0.8 V 0.6 2.4 - |VID| /2 VCC -0.8 -40 85 C
Notes: H = High Level, L = Low Level ? = Indeterminate, Z = High-Impedance, X = Don't Care
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Electrical Characteristics (Over recommended operating conditions unless otherwise noted).
Parame te r PI90LVB179 Te s t Condition No receiver load, Driver RL = 50 ohms Driver and receiver enabled. No receiver load, Driver RL = 50 ohms PI90LVB180 Driver disabled, Receiver disabled, RL = 50 ohms Driver disabled, Receiver enabled, No load Disabled ICC* Supply Current PI90LVB050 Driver and receivers enabled. No receiver loads, Driver RL = 50 ohms Drivers disabled, Receivers disabled, RL = 50 ohms Drivers disabled, Receivers enabled, No loads Disabled PI90LVB051 Drivers enabled, No receiver loads, Driver RL = 50 ohms Drivers disabled, No loads M in. Typ. 10 10.5 1 0.9 1.3 20.5 3.1 1.0 1.2 20.5 1.0 M ax. 14 14 1.5 1.1 1.7 24.6 3.7 1.2 1.5 24.7 1.2 mA Units
All typical values are at 25C with a 3.3V supply *ICC measured with all TTL input. VIN = VCC or GND.
Driver Electrical Characteristics (Over recommended operating conditions unless otherwise noted).
Parame te r VOD VOD VOC(SS) VOC(SS) VOC(PP) IIH IIL IOS IOZ IO(OFF) CIN Differential output voltage magnitude Change in differential output voltage magnitude between logic states Steady- state common- mode output voltage Change in steady- state common- mode output voltage between logic states Peak- to- peak common- mode output voltage High- level input current DE DIN DE DIN VIH = 5V VIL = 0.8V VOY or VOZ = 0V VOD = 0V VOD = 600mV VO - 0V or VCC VCC = 0V, VO = 3.6V 3 See Figure 3 Te s t Conditions RL = 50 ohms See Figures 1 and 2 M in. 247 -50 1.125 -5 0 50 -0.5 2 -0.5 2 -6 -8 1.25 Typ. 420 M ax. 520 mV 50 1. 3 7 5 50 16 5 -20 20 -10 10 -12 -15 1 1 1 10.5 pF A mA A V mV Units
Low- level input current
Short- circuit output current
High- impedance output current Power- off output current Input capacitance
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Receiver Electrical Characteristics (Over recommended operating conditions unless otherwise noted).
Parame te r VITH+ VITH- VOH VOL II II (OFF) IH IL IOZ CI Positive- going differential input voltage threshold See Figures 5 & Table 1 Negative- going differential input voltage threshold High- level output voltage Low- level output voltage Input current (RIN+ or RIN-) Power- off input current (RIN+ or RIN-) High- level input current (enables) Low- level input current (enables) High- impedance output current Input capacitance IOH = -8mA IOL = 8mA VI = 0 VI = 2.4V VCC = 0 VIH = 2V VIL = 0.8V VO = 0 or 5V 5 -2 -1.2 -11 -3 20 10 10 10 pF A -50 2.4 0.4 -2 0 V V Te s t Conditions M in. Typ. M a x. 50 mV Units
All typical values are at 25C with a 3.3V supply
Driver Switching Characteristics (Over recommended operating conditions unless otherwise noted).
Parame te r tPLH tPHL tr tf tsk(p) tsk(o) tsk(pp) tPZH tPZL tPHZ tPLZ Propagation delay time, low- to- high- level output Propagation delay time, lhigh- to- low- level output Differential output signal rise time Differential output signal fall time Pulse skew (tPHL - tPLH) Channel- to- channel output Part- part- part skew** Propagation delay time, high- impedance- to- high- level output Propagation delay time, high- impedance- to- low- level output Propagation delay time, high- level- to- high- impedance output Propagation delay time, low- level- to- high- impedance output See Figure 7 3.3 2.0 1.7 1.7 skew RL = 50 ohms CL = 10pF See Figure 2 Te s t Conditions M in. Typ. 2.0 1.9 0.4 0.4 200 90 M ax. 2.6 2.5 0.6 0.6 310 160 0.9 5 3.3 3.3 3.3 ns ps ns Units
All typical values are at 25C with a 3.3V supply tsk(o): the maximum delay time difference between drivers on the same device. **tsk(pp): magnitude of difference in propagation delay times between any specific terminals of two devices (all things being equal)
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Receiving Switching Characteristics (Over recommended operating conditions unless otherwise noted).
Parame te r tPLH tPHL tsk(p) tsk(pp)** tsk(o) tr tf tPZH tPZL tPHZ tPLZ Propagation delay time, low- to- high- level output Propagation delay time, lhigh- to- low- level output Pulse skew (tPHL - tPLH) Part- part- part skew** Channel- to- channel skew Output signal rise time Output signal fall time 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
Te s t Conditions
M in.
Typ. 1. 9 2.4
M ax. 2.9 3.3 0.4 1.3
Units
ns
CL = 10pF See Figure 6
0.1
40 1.1 1.3 1.6 See Figure 7 4.1 2.5 6.0
80 1. 7 2.1 2.4 5.9 3.2 7.8
ps
ns
All typical values are at 25C with a 3.3V supply **tsk(pp) is magnitude of the difference in propagation delay times between any specific terminals of two devices (all things being equal)
Parameter Measurement Information
DEN II DOUT+ DIN DOUT- VI VOD- VOD VOD+ VOC VOD+VOD+ 2 DOD+
Driver
Figure 1. Driver Voltage and Current Definitions
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Parameter Measurement Information
Driver (continued)
DEN DOUT+ DIN DOUT- CL = 10 pF (2 Places) VOD 50 1%
DIN tPHL
2V 1.4 V 0.8 V tPLH
100% 80% Output VOD(H) 0V VOD(L) 20% 0% tf tr
NOTE A: All input pulses are supplied by a generator having the following characteristics: tr or tf 1 ns, pulse repetition rate (PRR) = 50 Mpps, pulse width = 10 0.2 ns . CL includes instrumentation and fixture capacitance within 0.06 mm of the D.U.T.
Figure 2. Test Circuit, Timing, and Voltage Definitions for the Differential Output Signal
DEN DOUT+ DIN DOUT-
25 , 1% (2 Places) 3V 0V VOC CL = 10pF (2 Places) VOC
VOC(PP)
VOC(SS)
NOTE A: All input pulses are supplied by a generator having the following characteristics: tr or tf 1 ns, pulse repetition rate (PRR) = 50 Mpps, pulse width = 10 0.2 ns . CL includes instrumentation and fixture capacitance within 0.06 mm of the D.U.T The measurement of VOC(PP) . is made on test equipment with a -3 dB bandwidth of at least 300 MHz.
Figure 3. Test Circuit and Definitions for the Driver Common-Mode Output Voltage
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Parameter Measurement Information
Driver (continued)
25 1% (2 Places) DOUT+ DIN at 0.8V or 2V DOUT- DEN 1.2 V CL =10pF (2 Places) VOD+ VOD-
DEN
2V 1.4 V 0.8 V ~1.4 V 1.25 V 1.2 V tPHZ 1.2 V 1.15 V ~1 V tPLZ
DIN at 0.8 V and input to DEN
VOD+ or VOD-
DIN at 2V and input to DEN
tPZH VOD- or VOD+ tPZL
NOTE A: All input pulses are supplied by a generator having the following characteristics: tr or tf 1ns, pulse repetition rate (PRR) = 0.5 Mpps, pulse width = 500 10 ns. CL includes instrumentation and fixture capacitance within 0.06mm of the D.U.T.
Figure 4. Enable and Disable Timing Circuit and Definitions
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Parameter Measurement Information
Receiver
RIN+ VIRIN++VIRIN- 2 VIRIN+ VIC VIRIN- RIN- VO VID ROUT
Figure 5. Receiver Voltage Definitions Table 1. Receiver Minimum and Maximum Input Threshold Test Voltages
APPLIED VOLTAGES (V) VIRIN+ 1.225 1.175 2.375 2.325 0.1 0 1.5 0.9 2.4 1.8 0.6 0 VIRIN+ 1.175 1.225 2.325 2.375 0 0.05 0.9 1.5 1.8 2.4 0 0.6 RESULTING DIFFERENTIAL INPUT VOLTAGE (mV) VID 50 -50 50 -50 50 -50 600 -600 600 -600 600 -600 RESULTING COMMONMODE 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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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Parameter Measurement Information
Receiver (continued)
VID VIRIN+ VIRIN- CL 10pF VO
VIRIN+
1.4 V
VIRIN-
1V
VID
0.4 V
0V
- 0.4 V tPHL tPLH VOH 1.4 V 0.4 V tf tr VOL
VO
2.4 V
NOTE A: All input pulses are supplied by a generator having the following characteristics: tr or tf 1 ns, pulse repetition rate (PRR) = 50 Mpps, pulse width = 10 0.2 ns. CL includes instrumentation and fixture capacitance within 0.06 m of the D.U.T.
Figure 6. Timing Test Circuit and Waveforms
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Parameter Measurement Information
Receiver (continued)
1.2 V RIN- 500 RIN+ Inputs REN* 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. 2.5 V VTEST RIN* 1V 2V REN* 1.4 V 0.8 V tPZL tPZL tPLZ 2.5 V ROUT VTEST RIN+ REN* 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 7. Enable/Disable Time Test Circuit and Waveforms
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
8-Pin SOIC W Package
8
.149 .157
3.78 3.99
.0099 .0196
0.25 x 45 0.50
1 .189 .196 .016 .026 0.406 0.660 REF 4.80 5.00 1.35 1.75 SEATING PLANE
0-8
.0075 .0098 0.40 .016 1.27 .050
0.19 0.25
.053 .068
.2284 .2440 5.80 6.20
.050 BSC 1.27 .013 0.330 .020 0.508
.0040 0.10 .0098 0.25 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
8-Pin Mini Small Outline U Package (MSOP)
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
14-Pin SOIC (150 Mil) W Package
14
.149 .157
3.78 3.99 0-8
.0099 .0196
0.25 x 45 0.50
.0075 .0098 0.41 1.27 .2284 .2440 5.80 6.20 .016 .050
0.19 0.25
1
.336 .344 8.55 8.75
.0155 .026 0.393 0.660 REF
.053 .068
1.35 1.75 SEATING PLANE
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
.050 BSC 1.27
.013 .020 0.330 0.508
.0040 0.10 .0098 0.25
14-Pin TSSOP (4.4mm wide) L Package
14
0.004 0.09 0.008 0.20 0.169 0.177 4.3 4.5 0.45 0.75 0.018 0.030
1 0.193 0.201 4.90 5.10
0.240 0.264 6.1 6.7 0.047 1.20 max. SEATING PLANE
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
0.0256 typical 0.65
0.007 0.012 0.19 0.30
0.002 0.05 0.006 0.15
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
16-Pin SOIC (150 Mil) W Package
16
.149 .157
3.78 3.99 .0099 .0196 0.25 x 45 0.50
1 .386 .393 9.80 10.00 .0155 .0260 0.393 0.660 REF .053 .068 1.35 1.75 SEATING PLANE 0-8 0.41 1.27 .016 .050 .0075 .0098 0.19 0.25
.2284 .2440 5.80 6.20
.050 BSC 1.27
.013 .020 0.330 0.508
.0040 0.10 .0098 0.25
X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
16-Pin TSSOP (4.4mm wide) L Package
16
.169 .177
4.3 4.5
1 .193 .201 4.9 5.1 .004 .008 .047 max. 1.20 SEATING PLANE 0.45 .018 0.75 .030 .252 BSC 6.4
0.09 0.20
.0256 BSC 0.65
.007 .012 0.19 0.30
.002 .006
0.05 0.15 X.XX DENOTES CONTROLLING X.XX DIMENSIONS IN MILLIMETERS
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PI90LVB179/PI90LVB180/ PI90LVB050/PI90LVB051 3.3V Boost LVDS High-Speed Differential Line Drivers & Receivers
Ordering Information
Part PI90LVB179W PI90LVB180W PI90LVB050W PI90LVB051W PI90LVB179U PI90LVB180L PI90LVB050L PI90LVB051L Pin - Package 8- SOIC 14- SOIC 16- SOIC 16- SOIC 8- MSOP 14- TSSOP 16- TSSOP 16- TSSOP Te mpe rature -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C
Pericom Semiconductor Corporation 2380 Bering Drive * San Jose, CA 95131 * 1-800-435-2336 * Fax (408) 435-1100 * http://www.pericom.com
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