DS8922A [TI]

TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs;
DS8922A
型号: DS8922A
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs

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DS8922, DS8922A, DS8923A  
www.ti.com  
SNLS373B JUNE 1998REVISED APRIL 2013  
DS8922/DS8922A/DS8923A TRI-STATE RS-422 Dual Differential Line Driver and Receiver  
Pairs  
Check for Samples: DS8922, DS8922A, DS8923A  
1
FEATURES  
DESCRIPTION  
2
12 ns Typical Propagation Delay  
Output Skew—±0.5 ns Typical  
The DS8922/22A and DS8923A are Dual Differential  
Line Driver and Receiver pairs. These devices are  
designed specifically for applications meeting the  
ST506, ST412 and ESDI Disk Drive Standards. In  
addition, the devices meet the requirements of the  
EIA Standard RS-422.  
Meets the Requirements of EIA Standard RS-  
422  
Complementary Driver Outputs  
High Differential or Common-Mode Input  
Voltage Ranges of ±7V  
These devices offer an input sensitivity of 200 mV  
over  
a
±7V common mode operating range.  
±0.2V Receiver Sensitivity over the Input  
Voltage Range  
Hysteresis is incorporated (typically 70 mV) to  
improve noise margin for slowly changing input  
waveforms. An input fail-safe circuit is provided such  
that if the receiver inputs are open the output  
assumes the logical one state.  
Receiver Input Fail-Safe Circuitry  
Receiver Input Hysteresis—70 mV typical  
Glitch Free Power Up/Down  
The DS8922A and DS8923A drivers are designed to  
provide unipolar differential drive to twisted pair or  
parallel wire transmission lines. Complementary  
outputs are logically ANDed and provide an output  
skew of 0.5 ns (typ.) with propagation delays of 12  
ns.  
TRI-STATE Outputs  
Both devices feature TRI-STATE outputs. The  
DS8922/22A have independent control functions  
common to a driver and receiver pair. The DS8923A  
has separate driver and receiver control functions.  
Power up/down circuitry is featured which will TRI-  
STATE the outputs and prevent erroneous glitches on  
the transmission lines during system power up or  
power down operation.  
The DS8922/22A and DS8923A are designed to be  
compatible with TTL and CMOS.  
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.  
2
All 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  
DS8922, DS8922A, DS8923A  
SNLS373B JUNE 1998REVISED APRIL 2013  
www.ti.com  
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.  
DS8922A Dual-In-Line  
Top View  
See Package Number D (R-PDSO-G16) or NFG0016E  
DS8923A Dual-In-Line  
Top View  
See Package Number D (R-PDSO-G16) or NFG0016E  
2
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Copyright © 1998–2013, Texas Instruments Incorporated  
Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
www.ti.com  
SNLS373B JUNE 1998REVISED APRIL 2013  
DS8922/22A  
RO2  
EN1  
EN2  
RO1  
ACTIVE  
HI-Z  
DO1  
ACTIVE  
HI-Z  
DO2  
ACTIVE  
ACTIVE  
HI-Z  
0
1
0
1
0
0
1
1
ACTIVE  
ACTIVE  
HI-Z  
ACTIVE  
HI-Z  
ACTIVE  
HI-Z  
HI-Z  
HI-Z  
DS8923A  
RO2  
DEN  
REN  
RO1  
ACTIVE  
ACTIVE  
HI-Z  
DO1  
ACTIVE  
HI-Z  
DO2  
ACTIVE  
HI-Z  
0
1
0
1
0
0
1
1
ACTIVE  
ACTIVE  
HI-Z  
ACTIVE  
HI-Z  
ACTIVE  
HI-Z  
HI-Z  
HI-Z  
(1)(2)  
Absolute Maximum Ratings  
Supply Voltage  
7V  
Drive Input Voltage  
0.5V to +7V  
5.5V  
Output Voltage  
Receiver Output Sink Current  
Receiver Input Voltage  
Differential Input Voltage  
50 mA  
±10V  
±12V  
Maximum Package Power Dissipation @ +25°C  
D Package  
1300 mW  
1450 mW  
NFG Package  
Derate D Package 10.4 mW/°C above +25°C  
Derate NFG Package 11.6 mW/°C above +25°C  
Storage Temperature Range  
Lead Temp. (Soldering, 4 seconds)  
ESD Rating (HBM)  
65°C to +165°C  
260°C  
2000V+  
(1) “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be ensured. They are not meant to imply  
that the device should be operated at these limits. The Table of Electrical Characteristics provides conditions for actual device operation.  
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and  
specifications.  
Recommended Operating Conditions  
Min  
4.5  
0
Max  
5.5  
70  
Units  
V
Supply Voltage  
Temperature (TA)  
°C  
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3
Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
SNLS373B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Units  
DS8922/22A and DS8923A Electrical Characteristics(1)(2)(3)  
Symbol  
Conditions  
Min  
Typ  
Max  
RECEIVER  
VTH  
VHYST  
RIN  
7V VCM +7V  
7V VCM +7V  
200  
15  
±35  
70  
+200  
mV  
mV  
kΩ  
mA  
mA  
V
V IN = 7V, +7V (Other Input = GND)  
VIN = 10V  
4.0  
6.0  
IIN  
3.25  
VIN = 10V  
3.25  
VOH  
V CC = MIN, IOH = 400 μA  
V CC = MAX, IOL = 8 mA  
V CC = MAX, VOUT = 0V  
2.5  
15  
2.5  
VOL  
0.5  
V
ISC  
100  
mA  
DRIVER  
VOH  
V CC = MIN, IOH = 20 mA  
V CC = MIN, IOL = +20 mA  
V CC = 0V, VOUT = 5.5V  
V
V
VOL  
0.5  
100  
0.4  
IOFF  
μA  
V
|VT|–| VT |  
VT  
2.0  
V
|VOS– VOS  
ISC  
|
0.4  
V
V CC = MAX, VOUT = 0V  
30  
150  
mA  
DRIVER and RECEIVER  
IOZ  
VOUT = 2.5V  
VOUT = 0.4V  
50  
μA  
μA  
TRI-STATE  
Leakage  
ICC  
VCC = MAX  
50  
VCC = MAX  
ACTIVE  
76  
78  
mA  
mA  
TRI-STATE  
DRIVER and ENABLE INPUTS  
VIH  
VIL  
2.0  
V
V
0.8  
200  
20  
IIL  
V CC = MAX, VIN = 0.4V  
40  
μA  
μA  
μA  
V
IIH  
II  
V CC = MAX, VIN = 2.7V  
V CC = MAX, VIN = 7.0V  
V CC = MIN, IIN = 18 mA  
100  
1.5  
VCL  
(1) All currents into device pins are shown as positive values; all currents out of the device are shown as negative; all voltages are  
referenced to ground unless otherwise specified. All values shown as max or min are classified on absolute value basis.  
(2) All typical values are VCC = 5V, TA = 25°C.  
(3) Only one output at a time should be shorted.  
Receiver Switching Characteristics (Figure 1) (Figure 2) (Figure 2)  
Parameter  
Conditions  
Min  
Typ  
Max  
Units  
8922  
22.5  
22.5  
5
8922A/23A  
TpLH  
CL = 30 pF  
12  
12  
0.5  
0.5  
15  
15  
20  
20  
20  
20  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
TpHL  
CL = 30 pF  
|TpLH–T pHL  
|
CL = 30 pF  
3.5  
2.0  
Skew (Channel to Channel)  
CL = 30 pF  
3.0  
TpLZ  
TpHZ  
TpZL  
TpZH  
CL = 15 pF S2 Open  
CL = 15 pF S1 Open  
CL = 30 pF S2 Open  
CL = 30 pF S1 Open  
4
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Copyright © 1998–2013, Texas Instruments Incorporated  
Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
www.ti.com  
SNLS373B JUNE 1998REVISED APRIL 2013  
Driver Switching Characteristics  
Parameter  
Conditions  
Min  
Typ  
Max  
Units  
8922  
8922A/23A  
SINGLE ENDED CHARACTERISTICS (Figure 4, Figure 5, Figure 6, and Figure 8)  
TpLH  
CL = 30 pF  
CL = 30 pF  
CL = 30 pF  
CL = 30 pF  
CL = 30 pF  
CL = 30 pF  
12  
12  
5
15  
15  
10  
10  
15  
15  
10  
10  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
TpHL  
TTLH  
TTHL  
5
|TpLH–T pHL  
|
0.5  
0.5  
0.5  
15  
15  
20  
20  
(1)  
Skew  
5
3.5  
2.0  
Skew (Channel to Channel)  
3.0  
TpLZ  
TpHZ  
TpZL  
TpZH  
CL = 30 pF  
CL = 30 pF  
CL = 30 pF  
CL = 30 pF  
DIFFERENTIAL SWITCHING CHARACTERISTICS (2), (Figure 4)  
TpLH  
CL = 30 pF  
CL = 30 pF  
CL = 30 pF  
12  
12  
15  
15  
15  
15  
ns  
ns  
ns  
TpHL  
|TpLH–T pHL  
|
0.5  
6.0  
2.75  
(1) Difference between complementary outputs at the 50% point.  
(2) Differential Delays are defined as calculated results from single ended rise and fall time measurements. This approach in establishing  
AC performance specifications has been taken due to limitations of available Automatic Test Equipment (ATE). The calculated ATE  
results assume a linear transition between measurement points and are a result of the following  
equations:  
input.  
Where: Tcp = Crossing Point Tra, Trb, Tfa and Tfb are time measurements with respect to the  
Switching Time Waveforms  
AC Test Circuits and Switching Waveforms  
Figure 1.  
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Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
SNLS373B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Figure 2.  
Figure 3.  
S1  
S2  
S3  
TPLZ  
TPHZ  
TPZL  
TPZH  
Closed  
Open  
Open  
+2.5V  
2.5V  
+2.5V  
2.5V  
Closed  
Open  
Closed  
Open  
Closed  
Figure 4.  
Figure 5.  
6
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Copyright © 1998–2013, Texas Instruments Incorporated  
Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
www.ti.com  
SNLS373B JUNE 1998REVISED APRIL 2013  
Figure 6.  
Figure 7.  
Figure 8.  
Copyright © 1998–2013, Texas Instruments Incorporated  
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7
Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
SNLS373B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Typical Performance Characteristics  
(DS8923A)  
Driver VOH vs IOH  
vs Temperature  
Driver VOH vs IOH vs VCC  
Figure 9.  
Figure 10.  
Driver VOL vs IOL vs Temperature  
Driver VOL vs IOL vs VCC  
Figure 11.  
Figure 12.  
Receiver V OH vs IOH  
vs Temperature  
Receiver VOH vs IOH vs VCC  
Figure 13.  
Figure 14.  
8
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Copyright © 1998–2013, Texas Instruments Incorporated  
Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
www.ti.com  
SNLS373B JUNE 1998REVISED APRIL 2013  
Typical Performance Characteristics (continued)  
(DS8923A)  
Receiver V OL vs IOL vs Temperature  
Receiver VOL vs IOL vs VCC  
Figure 15.  
Figure 16.  
Driver Differential Propagation Delay vs  
Temperature  
Driver Differential Propagation Delay vs VCC  
Figure 17.  
Figure 18.  
Receiver Propagation Delay  
vs  
Temperature  
Receiver Propagation Delay vs VCC  
Figure 19.  
Figure 20.  
Copyright © 1998–2013, Texas Instruments Incorporated  
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Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
SNLS373B JUNE 1998REVISED APRIL 2013  
www.ti.com  
Typical Performance Characteristics (continued)  
(DS8923A)  
Driver VOD  
vs  
Temperature  
Driver VOD vs VCC  
Figure 21.  
Figure 22.  
Driver Differential Transition Time  
vs  
Driver VOD vs RL  
Temperature  
Figure 23.  
Figure 24.  
Supply Current vs  
Temperature  
Driver Differential Transition Time vs VCC  
Figure 25.  
Figure 26.  
10  
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Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
www.ti.com  
SNLS373B JUNE 1998REVISED APRIL 2013  
Typical Performance Characteristics (continued)  
(DS8923A)  
ICC  
vs  
Supply Current vs V CC  
Driver Switching Frequency  
Figure 27.  
Figure 28.  
Driver Short Circuit Current  
vs Temperature  
Driver Short Circuit Current vs VCC  
Figure 29.  
Figure 30.  
Receiver Short Circuit  
Current  
vs  
Temperature  
Receiver Short Circuit Current vs VCC  
Figure 31.  
Figure 32.  
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Product Folder Links: DS8922 DS8922A DS8923A  
DS8922, DS8922A, DS8923A  
SNLS373B JUNE 1998REVISED APRIL 2013  
www.ti.com  
TYPICAL APPLICATIONS  
Figure 33. ESDI Application  
Figure 34.  
Figure 35. ST504 and ST412 Applications  
Figure 36.  
12  
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DS8922, DS8922A, DS8923A  
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SNLS373B JUNE 1998REVISED APRIL 2013  
REVISION HISTORY  
Changes from Revision A (April 2013) to Revision B  
Page  
Changed layout of National Data Sheet to TI format .......................................................................................................... 12  
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13  
Product Folder Links: DS8922 DS8922A DS8923A  
PACKAGE OPTION ADDENDUM  
www.ti.com  
25-Aug-2017  
PACKAGING INFORMATION  
Orderable Device  
DS8922AM/NOPB  
DS8922AMX/NOPB  
DS8923AM/NOPB  
DS8923AN/NOPB  
Status Package Type Package Pins Package  
Eco Plan  
Lead/Ball Finish  
MSL Peak Temp  
Op Temp (°C)  
0 to 70  
Device Marking  
Samples  
Drawing  
Qty  
(1)  
(2)  
(6)  
(3)  
(4/5)  
LIFEBUY  
SOIC  
SOIC  
SOIC  
PDIP  
D
16  
16  
16  
16  
48  
Green (RoHS  
& no Sb/Br)  
CU SN  
CU SN  
CU SN  
CU SN  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-NA-UNLIM  
DS8922AM  
LIFEBUY  
LIFEBUY  
LIFEBUY  
D
D
2500  
48  
Green (RoHS  
& no Sb/Br)  
0 to 70  
DS8922AM  
DS8923AM  
DS8923AN  
Green (RoHS  
& no Sb/Br)  
0 to 70  
NFG  
25  
Pb-Free  
(RoHS)  
0 to 70  
(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) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance  
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may  
reference these types of products as "Pb-Free".  
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.  
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based  
flame retardants must also meet the <=1000ppm threshold requirement.  
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.  
(5) Multiple Device Markings will be inside parentheses. Only one Device 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 Device Marking for that device.  
(6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish  
value exceeds the maximum column width.  
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  
25-Aug-2017  
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  
23-Sep-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)  
DS8922AMX/NOPB  
SOIC  
D
16  
2500  
330.0  
16.4  
6.5  
10.3  
2.3  
8.0  
16.0  
Q1  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
23-Sep-2013  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SOIC 16  
SPQ  
Length (mm) Width (mm) Height (mm)  
367.0 367.0 35.0  
DS8922AMX/NOPB  
D
2500  
Pack Materials-Page 2  
MECHANICAL DATA  
NFG0016E  
N16E (Rev G)  
www.ti.com  
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Copyright © 2017, Texas Instruments Incorporated  

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