DS26C31T [TI]

CMOS 四路三态差动线路驱动器;
DS26C31T
型号: DS26C31T
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

CMOS 四路三态差动线路驱动器

驱动 线路驱动器或接收器 驱动程序和接口
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DS26C31M, DS26C31T  
www.ti.com  
SNLS375B JUNE 1998REVISED APRIL 2013  
®
DS26C31T/DS26C31M CMOS Quad TRI-STATE Differential Line Driver  
Check for Samples: DS26C31M, DS26C31T  
1
FEATURES  
DESCRIPTION  
The DS26C31 is a quad differential line driver  
designed for digital data transmission over balanced  
lines. The DS26C31T meets all the requirements of  
EIA standard RS-422 while retaining the low power  
characteristics of CMOS. The DS26C31M is  
compatible with EIA standard RS-422; however, one  
exception in test methodology is taken (1). This  
enables the construction of serial and terminal  
23  
TTL Input Compatible  
Typical Propagation Delays: 6 ns  
Typical Output Skew: 0.5 ns  
Outputs Will Not Load Line when VCC = 0V  
DS26C31T Meets the Requirements of EIA  
Standard RS-422  
Operation from Single 5V Supply  
interfaces  
while  
maintaining  
minimal  
power  
consumption.  
TRI-STATE Outputs for Connection to System  
Buses  
The DS26C31 accepts TTL or CMOS input levels and  
translates these to RS-422 output levels. This part  
uses special output circuitry that enables the drivers  
to power down without loading down the bus. This  
device has enable and disable circuitry common to all  
four drivers. The DS26C31 is pin compatible to the  
AM26LS31 and the DS26LS31.  
Low Quiescent Current  
Available in Surface Mount  
Mil-Std-883C Compliant  
All inputs are protected against damage due to  
electrostatic discharge by diodes to VCC and ground.  
(1) The DS26C31M (55°C to +125°C) is tested with VOUT  
between +6V and 0V while RS-422A condition is +6V and  
0.25V.  
Connection Diagrams  
Figure 1. Dual-In-Line Package, Top View  
See Package Number D0016A or NFG0016E  
For Complete Military Product Specifications,  
refer to the appropriate SMD or MDS.  
See Package Number NAJ0020A, NFE0016A or NAD0016A  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
TRI-STATE is a registered trademark of Texas Instruments.  
2
3
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1998–2013, Texas Instruments Incorporated  
DS26C31M, DS26C31T  
SNLS375B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Figure 2. 20-Lead Ceramic Leadless Chip Carrier (NAJ)  
Truth Table(1)  
ENABLE  
ENABLE  
Input  
Non-Inverting  
Inverting  
Output  
Output  
L
H
X
L
Z
L
Z
H
L
All other  
combinations of  
enable inputs  
H
H
(1) L = Low logic state  
X = Irrelevant  
H = High logic state  
Z = TRI-STATE (high impedance)  
2
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Copyright © 1998–2013, Texas Instruments Incorporated  
Product Folder Links: DS26C31M DS26C31T  
DS26C31M, DS26C31T  
www.ti.com  
SNLS375B JUNE 1998REVISED APRIL 2013  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
Absolute Maximum Ratings(1)(2)(3)  
Supply Voltage (VCC  
DC Input Voltage (VIN  
DC Output Voltage (VOUT  
Clamp Diode Current (IIK, IOK  
DC Output Current, per pin (IOUT  
DC VCC or GND Current, per pin (ICC  
Storage Temperature Range (TSTG  
)
0.5V to 7.0V  
1.5V to VCC +1.5V  
0.5V to 7V  
)
)
)
±20 mA  
)
±150 mA  
)
)
65°C to +150°C  
2419 mW  
1736 mW  
1226 mW  
1182 mW  
2134 mW  
260°C  
Max. Power Dissipation (PD) @25°C(4)  
Ceramic “NFE” Pkg.  
Plastic “NFG” Pkg.  
SOIC “D” Pkg.  
Ceramic “NAD” Pkg.  
Ceramic “NAJ” Pkg.  
(Soldering, 4 sec.)  
Lead Temperature (TL)  
This device does not meet 2000V ESD Rating.(5)  
(1) Unless otherwise specified, all voltages are referenced to ground. All currents into device pins are positive, all currents out of device  
pins are negative.  
(2) Absolute Maximum Ratings are those values beyond which the safety of the device cannot be verified. They are not meant to imply that  
the device should be operated at these limits. The table of “Electrical Characteristics” provide conditions for actual device operation.  
(3) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and  
specifications.  
(4) Ratings apply to ambient temperature at 25°C. Above this temperature derate NFG package at 13.89 mW/°C, NFE package 16.13  
mW/°C, D package 9.80 mW/°C, NAJ package 12.20 mW/°C, and NAD package 6.75 mW/°C.  
(5) ESD Rating: HBM (1.5 kΩ, 100 pF); Inputs 1500V; Outputs 1000V; EIAJ (0Ω, 200 pF) 350V  
Operating Conditions  
Min  
4.50  
0
Max  
5.50  
VCC  
+85  
Units  
V
Supply Voltage (VCC  
)
DC Input or Output Voltage  
(VIN, VOUT  
)
V
Operating Temperature Range (TA)  
DS26C31T  
DS26C31M  
40  
55  
°C  
°C  
ns  
+125  
500  
Input Rise or Fall Times (tr, tf)  
Copyright © 1998–2013, Texas Instruments Incorporated  
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3
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DS26C31M, DS26C31T  
SNLS375B JUNE 1998REVISED APRIL 2013  
www.ti.com  
DC Electrical Characteristics  
VCC = 5V ± 10% (unless otherwise specified)(1)  
Symbol  
Parameter  
High Level Input Voltage  
Low Level Input Voltage  
High Level Output Voltage  
Conditions  
Min  
Typ  
Max  
Units  
VIH  
VIL  
2.0  
V
V
V
0.8  
VOH  
VIN = VIH or VIL,  
IOUT = 20 mA  
VIN = VIH or VIL,  
IOUT = 20 mA  
RL = 100Ω  
See(2)  
2.5  
2.0  
3.4  
0.3  
3.1  
VOL  
VT  
Low Level Output Voltage  
0.5  
V
V
V
V
V
Differential Output Voltage  
Difference In Differential Output  
Common Mode Output Voltage  
|VT| |VT  
|
RL = 100Ω  
See(2)  
0.4  
3.0  
0.4  
VOS  
RL = 100Ω  
See(2)  
1.8  
|VOS VOS  
|
Difference In Common Mode  
Output  
RL = 100Ω  
See(2)  
IIN  
Input Current  
Quiescent Supply Current(3)  
VIN = VCC, GND, VIH, or VIL  
±1.0  
500  
2.0  
μA  
μA  
ICC  
DS26C31T  
IOUT = 0 μA  
DS26C31M  
IOUT = 0 μA  
VIN = VCC or GND  
200  
0.8  
200  
0.8  
VIN = 2.4V or 0.5V(3)  
VIN = VCC or GND  
VIN = 2.4V or 0.5V(3)  
mA  
μA  
500  
2.1  
mA  
IOZ  
TRI-STATE Output Leakage  
Current  
VOUT = VCC or GND  
ENABLE = VIL  
±0.5  
±5.0  
μA  
ENABLE = VIH  
ISC  
Output Short Circuit Current  
VIN = VCC or GND(2)(4)  
30  
150  
100  
mA  
μA  
μA  
μA  
μA  
IOFF  
Output Leakage Current Power  
Off(2)  
DS26C31T  
VCC = 0V  
VOUT = 6V  
VOUT = 0.25V  
100  
100  
DS26C31M  
VCC = 0V  
VOUT = 6V  
VOUT = 0V(5)  
100  
(1) Unless otherwise specified, min/max limits apply across the recommended operating temperature range. All typicals are given for VCC  
5V and TA = 25°C.  
=
(2) See EIA Specification RS-422 for exact test conditions.  
(3) Measured per input. All other inputs at VCC or GND.  
(4) This is the current sourced when a high output is shorted to ground. Only one output at a time should be shorted.  
(5) The DS26C31M (55°C to +125°C) is tested with VOUT between +6V and 0V while RS-422A condition is +6V and 0.25V.  
Switching Characteristics  
VCC = 5V ±10%, tr 6 ns, tf 6 ns (Figure 3, Figure 4, Figure 5, Figure 6)(1)  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Units  
DS26C31T  
CS26C31M  
tPLH, tPHL  
Propagation Delays Input to Output S1 Open  
2
6
0.5  
6
11  
2.0  
10  
14  
3.0  
14  
ns  
ns  
ns  
(2)  
Skew  
S1 Open  
tTLH, tTHL  
Differential Output Rise And Fall  
Times  
S1 Open  
tPZH  
tPZL  
Output Enable Time  
Output Enable Time  
S1 Closed  
S1 Closed  
11  
13  
19  
21  
22  
28  
ns  
ns  
(1) Unless otherwise specified, min/max limits apply across the recommended operating temperature range. All typicals are given for VCC  
5V and TA = 25°C.  
=
(2) Skew is defined as the difference in propagation delays between complementary outputs at the 50% point.  
4
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Product Folder Links: DS26C31M DS26C31T  
 
DS26C31M, DS26C31T  
www.ti.com  
SNLS375B JUNE 1998REVISED APRIL 2013  
Switching Characteristics (continued)  
VCC = 5V ±10%, tr 6 ns, tf 6 ns (Figure 3, Figure 4, Figure 5, Figure 6)(1)  
Symbol  
Parameter  
Conditions  
Min  
Typ  
Max  
Units  
DS26C31T  
CS26C31M  
tPHZ  
tPLZ  
CPD  
CIN  
Output Disable Time(3)  
Output Disable Time(3)  
Power Dissipation Capacitance(4)  
Input Capacitance  
S1 Closed  
S1 Closed  
5
7
9
12  
14  
ns  
ns  
pF  
pF  
11  
50  
6
(3) Output disable time is the delay from ENABLE or ENABLE being switched to the output transistors turning off. The actual disable times  
are less than indicated due to the delay added by the RC time constant of the load.  
(4) CPD determines the no load dynamic power consumption, PD = CPD VCC2 f + ICC VCC, and the no load dynamic current consumption, IS  
= CPD VCC f + ICC  
.
Comparison Table of Switching Characteristics into “LS-Type” Load  
(1)  
VCC = 5V, TA = 25°C, tr 6 ns, tf 6 ns (Figure 4, Figure 6, Figure 7, Figure 8)  
DS26C31T  
DS26LS31C  
Symbol  
tPLH, tPHL  
Parameter  
Conditions  
Units  
Typ  
Max  
Typ  
Max  
Propagation Delays Input to Output CL = 30 pF  
S1 Closed  
S2 Closed  
6
8
10  
15  
ns  
Skew  
tTHL, tTLH  
tPLZ  
See(2)  
CL = 30 pF  
S1 Closed  
S2 Closed  
CL = 30 pF  
S1 Closed  
S2 Closed  
CL = 10 pF  
S1 Closed  
S2 Open  
0.5  
4
1.0  
6
2.0  
6.0  
ns  
ns  
ns  
ns  
ns  
ns  
Differential Output Rise and Fall  
Times  
Output Disable Time(3)  
Output Disable Time(3)  
Output Enable Time  
Output Enable Time  
6
9
15  
15  
20  
20  
35  
25  
30  
30  
tPHZ  
CL = 10 pF  
S1 Open  
4
7
S2 Closed  
CL = 30 pF  
S1 Closed  
S2 Open  
tPZL  
14  
11  
20  
17  
tPZH  
CL = 30 pF  
S1 Open  
S2 Closed  
(1) This table is provided for comparison purposes only. The values in this table for the DS26C31 reflect the performance of the device but  
are not tested or verified.  
(2) Skew is defined as the difference in propagation delays between complementary outputs at the 50% point.  
(3) Output disable time is the delay from ENABLE or ENABLE being switched to the output transistors turning off. The actual disable times  
are less than indicated due to the delay added by the RC time constant of the load.  
Copyright © 1998–2013, Texas Instruments Incorporated  
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DS26C31M, DS26C31T  
SNLS375B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Logic Diagram  
AC Test Circuit and Switching Time Waveforms  
Note: C1 = C2 = C3 = 40 pF (Including Probe and Jig Capacitance), R1 = R2 = 50Ω, R3 = 500Ω.  
Figure 3. AC Test Circuit  
Figure 4. Propagation Delays  
Figure 5. Enable and Disable Times  
6
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DS26C31M, DS26C31T  
www.ti.com  
SNLS375B JUNE 1998REVISED APRIL 2013  
Input pulse; f = 1 MHz, 50%; tr 6 ns, tf 6 ns  
Figure 6. Differential Rise and Fall Times  
Figure 7. Load AC Test Circuit for “LS-Type” Load  
Figure 8. Enable and Disable Times for “LS-Type” Load  
Typical Applications  
*RT is optional although highly recommended to reduce reflection.  
Figure 9. Two-Wire Balanced System, RS-422  
Copyright © 1998–2013, Texas Instruments Incorporated  
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Product Folder Links: DS26C31M DS26C31T  
DS26C31M, DS26C31T  
SNLS375B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Typical Performance Characteristics  
Differential Propagation Delay  
vs Temperature  
Differential Propagation Delay  
vs Power Supply Voltage  
Figure 10.  
Figure 11.  
Differential Skew  
vs  
Differential Skew vs  
Temperature  
Power  
Supply Voltage  
Figure 12.  
Figure 13.  
Differential Transition Time  
vs Temperature  
Differential Transition Time  
vs Power Supply Voltage  
Figure 14.  
Figure 15.  
8
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Product Folder Links: DS26C31M DS26C31T  
DS26C31M, DS26C31T  
www.ti.com  
SNLS375B JUNE 1998REVISED APRIL 2013  
Typical Performance Characteristics (continued)  
Complementary Skew vs  
Temperature  
Complementary Skew vs  
Power Supply Voltage  
Figure 16.  
Figure 17.  
Differential Output Voltage  
vs Output Current  
Differential Output Voltage  
vs Output Current  
Figure 18.  
Figure 19.  
Output High Voltage vs  
Output High Current  
Output High Voltage vs  
Output High Current  
Figure 20.  
Figure 21.  
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DS26C31M, DS26C31T  
SNLS375B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Typical Performance Characteristics (continued)  
Output Low Voltage vs  
Output Low Current  
Output Low Voltage vs  
Output Low Current  
Figure 22.  
Figure 23.  
Supply Current  
vs Temperature  
Output Low Voltage vs  
Output Low Current  
Figure 24.  
Figure 25.  
Output Low Voltage vs  
Output Low Current  
Supply Current  
vs Temperature  
Figure 26.  
Figure 27.  
10  
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Product Folder Links: DS26C31M DS26C31T  
DS26C31M, DS26C31T  
www.ti.com  
SNLS375B JUNE 1998REVISED APRIL 2013  
Typical Performance Characteristics (continued)  
Supply Current vs  
Power Supply Voltage  
No Load Supply Current  
vs Data Rate  
Figure 28.  
Figure 29.  
Loaded Supply Current  
vs Data Rate  
Output Short Circuit Current  
vs Temperature  
Figure 30.  
Figure 31.  
Output Short Circuit Current  
vs Power Supply Voltage  
Figure 32.  
Copyright © 1998–2013, Texas Instruments Incorporated  
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DS26C31M, DS26C31T  
SNLS375B JUNE 1998REVISED APRIL 2013  
www.ti.com  
REVISION HISTORY  
Changes from Revision A (April 2013) to Revision B  
Page  
Changed layout of National Data Sheet to TI format .......................................................................................................... 11  
12  
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PACKAGE OPTION ADDENDUM  
www.ti.com  
15-Apr-2013  
PACKAGING INFORMATION  
Orderable Device  
Status Package Type Package Pins Package  
Eco Plan Lead/Ball Finish  
MSL Peak Temp  
Op Temp (°C)  
Top-Side Markings  
Samples  
Drawing  
Qty  
(1)  
(2)  
(3)  
(4)  
DS26C31TM  
ACTIVE  
SOIC  
SOIC  
D
16  
16  
48  
TBD  
Call TI  
CU SN  
Call TI  
-40 to 85  
-40 to 85  
DS26C31TM  
DS26C31TM/NOPB  
ACTIVE  
D
48  
Green (RoHS  
& no Sb/Br)  
Level-1-260C-UNLIM  
DS26C31TM  
DS26C31TMX  
ACTIVE  
ACTIVE  
SOIC  
SOIC  
D
D
16  
16  
2500  
2500  
TBD  
Call TI  
CU SN  
Call TI  
-40 to 85  
-40 to 85  
DS26C31TM  
DS26C31TM  
DS26C31TMX/NOPB  
Green (RoHS  
& no Sb/Br)  
Level-1-260C-UNLIM  
DS26C31TN  
ACTIVE  
ACTIVE  
PDIP  
PDIP  
NFG  
NFG  
16  
16  
25  
25  
TBD  
Call TI  
CU SN  
Call TI  
-40 to 85  
-40 to 85  
DS26C31TN  
DS26C31TN  
DS26C31TN/NOPB  
Green (RoHS  
& no Sb/Br)  
Level-1-NA-UNLIM  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability  
information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that  
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between  
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight  
in homogeneous material)  
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
(4)  
Multiple Top-Side Markings will be inside parentheses. Only one Top-Side Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a  
continuation of the previous line and the two combined represent the entire Top-Side Marking for that device.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information  
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
15-Apr-2013  
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.  
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.  
Addendum-Page 2  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
24-Apr-2013  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
DS26C31TMX  
SOIC  
SOIC  
D
D
16  
16  
2500  
2500  
330.0  
330.0  
16.4  
16.4  
6.5  
6.5  
10.3  
10.3  
2.3  
2.3  
8.0  
8.0  
16.0  
16.0  
Q1  
Q1  
DS26C31TMX/NOPB  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
24-Apr-2013  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
DS26C31TMX  
SOIC  
SOIC  
D
D
16  
16  
2500  
2500  
367.0  
367.0  
367.0  
367.0  
35.0  
35.0  
DS26C31TMX/NOPB  
Pack Materials-Page 2  
MECHANICAL DATA  
NFG0016E  
N16E (Rev G)  
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