DS8922A [TI]
TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs;型号: | DS8922A |
厂家: | TEXAS INSTRUMENTS |
描述: | TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs |
文件: | 总20页 (文件大小:1290K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
DS8922, DS8922A, DS8923A
www.ti.com
SNLS373B –JUNE 1998–REVISED 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 1998–REVISED 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 1998–REVISED 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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DS8922, DS8922A, DS8923A
SNLS373B –JUNE 1998–REVISED 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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Product Folder Links: DS8922 DS8922A DS8923A
DS8922, DS8922A, DS8923A
www.ti.com
SNLS373B –JUNE 1998–REVISED 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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DS8922, DS8922A, DS8923A
SNLS373B –JUNE 1998–REVISED 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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Product Folder Links: DS8922 DS8922A DS8923A
DS8922, DS8922A, DS8923A
www.ti.com
SNLS373B –JUNE 1998–REVISED APRIL 2013
Figure 6.
Figure 7.
Figure 8.
Copyright © 1998–2013, Texas Instruments Incorporated
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DS8922, DS8922A, DS8923A
SNLS373B –JUNE 1998–REVISED 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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Product Folder Links: DS8922 DS8922A DS8923A
DS8922, DS8922A, DS8923A
www.ti.com
SNLS373B –JUNE 1998–REVISED 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.
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DS8922, DS8922A, DS8923A
SNLS373B –JUNE 1998–REVISED 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 1998–REVISED 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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DS8922, DS8922A, DS8923A
SNLS373B –JUNE 1998–REVISED 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 1998–REVISED 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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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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相关型号:
DS8922AMX/NOPB
IC DUAL LINE TRANSCEIVER, PDSO16, 0.150 INCH, PLASTIC, SOP-16, Line Driver or Receiver
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