GD75323_16 [TI]
MULTIPLE RS-232 DRIVERS AND RECEIVERS;
| 型号： | GD75323_16 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | MULTIPLE RS-232 DRIVERS AND RECEIVERS 驱动 |
| 文件： | 总11页 (文件大小：160K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
DW OR N PACKAGE
(TOP VIEW)
Single Chip With Easy Interface Between
UART and Serial-Port Connector of an
External Modem or Other Computer
Peripheral
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
V
DD
CC
1DA
2DA
3DA
1RY
2RY
4DA
3RY
5DA
GND
1DY
2DY
3DY
1RA
2RA
4DY
3RA
5DY
Five Drivers and Three Receivers Meet or
Exceed the Requirements of ANSI Standard
TIA/EIA-232-F and ITU Recommendation
V.28 Standards
Supports Data Rates up to 120 kbit/s
Complement to the GD75232
Provides Pin-to-Pin Replacement for the
Goldstar GD75323
V
SS
Pin-Out Compatible With SN75196
Functional Replacement for the MC145405
description
The GD75323 combines five drivers and three receivers from the trade-standard SN75188 and SN75189
bipolar quadruple drivers and receivers, respectively. The flow-through design of the GD75323 decreases the
part count, reduces the board space required, and allows easy interconnection of the UART and serial-port
connector. The all-bipolar circuits and processing of the GD75323 provide a rugged, low-cost solution for this
function.
The GD75323 complies with the requirements of the ANSI TIA/EIA-232-F and ITU (formerly CCITT) V.28
standards. These standards are for data interchange between a host computer and a peripheral at signal rates
up to 20 kbit/s. The switching speeds of the GD75323 are fast enough to support rates up to 120 kbit/s with lower
capacitive loads (shorter cables). Interoperability at the higher signaling rates cannot be assured unless the
designer has design control of the cable and the interface circuits at both ends. For interoperability at signaling
ratesupto120kbit/s, useofANSIStandardTIA/EIA-423-BandTIA/EIA-422-BandITURecommendationsV.10
and V.11 are recommended.
The GD75323 is characterized for operation over a temperature range of 0°C to 70°C.
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.
Copyright 1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
†
logic symbol
2
1DA
3
19
18
17
16
15
14
13
12
1DY
2DY
3DY
1RA
2RA
4DY
3RA
5DY
2DA
4
3DA
5
1RY
6
2RY
7
4DA
8
3RY
9
5DA
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
logic diagram (positive logic)
2
3
19
18
1DA
2DA
1DY
2DY
4
5
17
16
3DA
1RY
3DY
1RA
6
7
8
9
15
14
13
12
2RY
4DA
3RY
5DA
2RA
4DY
3RA
5DY
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
schematic (each driver)
To Other Drivers
V
DD
11.6 kΩ
9.4 kΩ
Input DAx
75.8 Ω
320 Ω
DYx Output
4.2 kΩ
GND
To Other
Drivers
10.4 kΩ
3.3 kΩ
68.5 Ω
V
SS
To Other Drivers
Resistor values shown are nominal.
schematic (each receiver)
To Other Receivers
V
CC
9 kΩ
5 kΩ
1.66 kΩ
RYx Output
2 kΩ
3.8 kΩ
Input RAx
10 kΩ
GND
To Other Receivers
Resistor values shown are nominal.
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
Supply voltage, V
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V
CC
DD
SS
Supply voltage, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –15 V
Input voltage range, V : Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –15 V to 7 V
I
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30 V to 30 V
Output voltage range, V (Driver) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 15 V to 15 V
O
Low-level output current, I (Receiver) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
OL
Package thermal impedance, θ (see Note 2): DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97°C/W
JA
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67°C/W
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C
Storage temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C
stg
†
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 absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. All voltages are with respect to the network ground terminal.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
recommended operating conditions
MIN NOM
MAX
UNIT
V
DD
V
SS
V
CC
7.5
–7.5
4.5
9
13.5
Supply voltage
–9 –13.5
V
5
5.5
High-level input voltage, V
Driver
1.9
V
V
IH
Low-level input voltage, V
Driver
0.8
–6
–0.5
6
IL
Driver
High-level output current, I
High-level output current, I
mA
OH
OL
Receiver
Driver
mA
Receiver
16
Operating free-air temperature,T
0
70
°C
A
supply currents over operating free-air temperature range
PARAMETER
TEST CONDITIONS
MIN
MAX
25
UNIT
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
V
DD
= 9 V,
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
= –9 V
All inputs at 1.9 V,
All inputs at 0.8 V,
All inputs at 1.9 V,
All inputs at 0.8 V,
No load
No load
No load
mA
= 12 V,
= 9 V,
= –12 V
= –9 V
32
I
Supply current from V
DD
DD
7.5
mA
mA
= 12 V,
= 9 V,
= –12 V
= –9 V
9.5
–25
–32
–5.3
–5.3
20
= 12 V,
= 9 V,
= –12 V
= –9 V
I
I
Supply current from V
Supply current from V
SS
SS
CC
No load
mA
mA
= 12 V,
= –12 V
V
CC
= 5 V,
All inputs at 5 V,
No load
CC
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
DRIVER SECTION
electrical characteristics over operating free-air temperature range, V
CC
= 9 V, V
= –9 V,
SS
DD
V
= 5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
7.5
MAX
UNIT
V
V
V
High-level output voltage
V
V
= 0.8 V,
= 1.9 V,
R
R
= 3 kΩ,
= 3 kΩ,
See Figure 1
See Figure 1
6
OH
IL
L
L
Low-level output voltage (see Note 3)
High-level input current
–7.5
–6
V
OL
IH
I
V = 5 V,
I
See Figure 2
See Figure 2
10
µA
mA
IH
IL
I
Low-level input current
V = 0,
I
–1.6
High-level short-circuit output current
(see Note 4)
I
V
= 0.8 V,
= 2 V,
V
V
= 0,
= 0,
See Figure 1
See Figure 1
–4.5
–9 –19.5
19
mA
OS(H)
OS(L)
IL
O
I
Low-level short-circuit output current
Output resistance (see Note 5)
V
V
4.5
9
mA
IH
O
r
= V
= V
= 0,
V = –2 V to 2 V
O
300
Ω
o
CC
DD
SS
NOTES: 3. The algebraic convention, where the more positive (less negative) limit is designated as maximum, is used in this data sheet for logic
levels only, e.g., if –10 V is maximum, the typical value is a more negative voltage.
4. Output short-circuit conditions must maintain the total power dissipation below absolute maximum ratings.
5. Test conditions are those specified by TIA/EIA-232-F and as listed above.
switching characteristics, V
= 12 V, V = –12 V, V
= 5 V ±10%, T = 25°C
DD
SS
CC A
PARAMETER
TEST CONDITIONS
MIN
TYP
315
75
MAX
500
UNIT
ns
t
t
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
PLH
R
= 3 kΩ to 7 kΩ,
C
C
C
C
C
= 15 pF,
L
L
L
L
L
L
See Figure 3
175
ns
PHL
R
= 3 kΩ to 7 kΩ,
= 15 pF,
L
60
1.7
40
100
2.5
75
ns
µs
ns
µs
See Figure 3
t
Transition time, low- to high-level output
TLH
THL
R
= 3 kΩ to 7 kΩ,
= 2500 pF,
= 15 pF,
L
See Figure 3 and Note 6
R
= 3 kΩ to 7 kΩ,
L
See Figure 3
Transition time, high- to low-level output (see
Note 5)
t
R
= 3 kΩ to 7 kΩ,
= 2500 pF,
L
1.5
2.5
See Figure 3 and Note 7
NOTES: 6. Measured between –3-V and 3-V points of the output waveform (TIA/EIA-232-F conditions), all unused inputs are tied either high
or low.
7. Measured between 3-V and –3-V points of the output waveform (TIA/EIA-232-F conditions), all unused inputs are tied either high
or low.
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
RECEIVER SECTION
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
1.75
1.55
0.75
0.5
MAX
2.3
UNIT
TYP
1.9
T
= 25°C
A
V
IT+
Positive-going input threshold voltage
Negative-going input threshold voltage
See Figure 5
See Figure 5
T
A
= 0°C to 70 °C
2.3
V
V
V
0.97
4
1.25
IT–
Input hysteresis voltage (V
High-level output voltage
Low-level output voltage
High-level input current
– V
)
IT–
hys
IT+
V
= 0.75 V
2.6
5
IH
Inputs open
V
V
I
I
= –0.5 mA
= 10 mA,
V
V
OH
OH
2.6
V = 3 V
I
0.2
0.45
8.3
OL
OL
V = 25 V,
See Figure 5
See Figure 5
See Figure 5
See Figure 5
3.6
0.43
I
I
IH
mA
V = 3 V,
I
V = –25 V,
–3.6
–8.3
–12
I
I
I
Low-level input current
mA
mA
IL
V = –3 V,
I
–0.43
Short-circuit output current
See Figure 4
–3.4
OS
†
All typical values are at T = 25°C, V
= 5 V, V
DD
= 9 V, and V = –9 V.
SS
A
CC
switching characteristics, V
= 5 V, V
= 12 V, V = –12 V, T = 25°C
CC
DD
SS
A
PARAMETER
TEST CONDITIONS
MIN
TYP
107
42
MAX
500
150
525
60
UNIT
ns
t
t
t
t
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
Transition time, low- to high-level output
PLH
PHL
TLH
THL
ns
C
= 50 pF,
R = 5 kΩ,
L
L
See Figure 6
175
16
ns
Transition time, high- to low-level output
ns
PARAMETER MEASUREMENT INFORMATION
I
OS(L)
V
V
V
V
or GND
or GND
DD
V
DD
DD
V
CC
CC
–I
OS(H)
I
IH
SS
V
V
I
V
I
–I
IL
V
O
R
= 3 kΩ
L
I
V
SS
V
SS
Figure 1. Driver Test Circuit
for V , V , I , and I
Figure 2. Driver Test Circuit for I and I
IH
IL
OH OL OS(H)
OS(L
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
PARAMETER MEASUREMENT INFORMATION
3 V
0 V
1.5 V
1.5 V
Input
V
Input
DD
V
CC
t
t
PHL
PLH
90%
Pulse
Generator
V
O
V
V
OH
C
L
R
90%
L
See Note B
(see Note A)
50%
10%
50%
10%
Output
OL
V
SS
t
t
TLH
THL
TEST CIRCUIT
C includes probe and jig capacitance.
L
VOLTAGE WAVEFORMS
NOTES: A.
B. The pulse generator has the following characteristics: t = 25 µs, PRR = 20 kHz, Z = 50 Ω, t = t < 50 ns.
w
O
r
f
Figure 3. Driver Test Circuit and Voltage Waveforms
V
DD
V
CC
V
DD
V
–I
OS
CC
–I
OH
V , V
IT
I
V
OH
V
I
V
OL
I
OL
V
SS
V
SS
Figure 4. Receiver Test Circuit for I
Figure 5. Receiver Test Circuit
OS
for V , V , and V
IT OH
OL
5 V
50%
90%
50%
Input
V
DD
–5 V
Input
V
CC
t
t
PHL
PLH
90%
Pulse
Generator
V
O
V
V
C
OH
L
R
L
See Note B
(see Note A)
50%
10%
50%
10%
Output
OL
V
SS
t
t
TLH
THL
TEST CIRCUIT
C includes probe and jig capacitance.
L
VOLTAGE WAVEFORMS
NOTES: A.
B. The pulse generator has the following characteristics: t = 25 µs, PRR = 20 kHz, Z = 50 Ω, t = t < 50 ns.
w
O
r
f
Figure 6. Receiver Propagation and Transition Times
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
TYPICAL CHARACTERISTICS
DRIVER SECTION
OUTPUT CURRENT
vs
VOLTAGE-TRANSFER CHARACTERISTICS
OUTPUT VOLTAGE
20
16
12
9
V
V
T
= 9 V
= –9 V
= 25°C
V
= 12 V, V
= 9 V, V
= –12 V
SS
DD
SS
A
DD
DD
V
= –9 V
= –6 V
SS
V
OL
(V = 1.9 V)
I
12
6
8
V
DD
= 6 V, V
SS
3
4
0
0
–4
–8
–12
–16
–20
–3
–6
–9
–12
3-kΩ
Load Line
V
OH
(V = 0.8 V)
I
R
T
A
= 3 kΩ
= 25°C
L
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
–16 –12
–8
–4
0
4
8
12
16
V
O
– Output Voltage – V
V – Input Voltage – V
I
Figure 7
Figure 8
SHORT-CIRCUIT OUTPUT CURRENT
SLEW RATE
vs
vs
FREE-AIR TEMPERATURE
LOAD CAPACITANCE
12
9
1000
V
V
R
= 9 V
= – 9 V
= 3 kΩ
= 25°C
DD
SS
L
I
(V = 1.9 V)
I
OS(L)
T
A
6
100
10
1
3
0
V
V
V
= 9 V
= –9 V
= 0
DD
SS
O
–3
–6
I
(V = 0.8 V)
I
OS(H)
–9
–12
10
100
1000
10000
0
10
20
30
40
50
60
70
T
A
– Free-Air Temperature – °C
C
– Load Capacitance – pF
L
Figure 9
Figure 10
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
TYPICAL CHARACTERISTICS
RECEIVER SECTION
INPUT THRESHOLD VOLTAGE
vs
INPUT THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
SUPPLY VOLTAGE
2.4
2.2
2
2
1.8
1.6
1.4
1.2
1
V
IT+
V
IT +
1.8
1.6
1.4
1.2
V
IT–
0.8
0.6
0.4
0.2
0
V
IT–
0.8
0.6
0.4
0
10
20
30
40
50
60
70
2
3
4
5
6
7
8
9
10
T
A
– Free-Air Temperature – °C
V
CC
– Supply Voltage – V
Figure 11
Figure 12
NOISE REJECTION
MAXIMUM SUPPLY VOLTAGE
vs
FREE-AIR TEMPERATURE
6
5
4
3
2
1
0
V
T
= 5 V
= 25°C
CC
A
See Note A
16
14
12
10
8
C
= 300 pF
C
C
= 500 pF
C
C
= 12 pF
C
C
= 100 pF
C
6
4
2
10
40
100
400 1000
– Pulse Duration – ns
4000 10000
t
w
R ≥ 3 kΩ (from each output to GND)
L
0
NOTE A: This figure shows the maximum amplitude of
a
0
10
20
30
40
50
60
70
positive-going pulse that, starting from 0 V, does not
cause a change of the output level.
T
A
– Free-Air Temperature – °C
Figure 13
Figure 14
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
APPLICATION INFORMATION
DiodesplacedinserieswiththeV andV leadsprotecttheGD75323inthefaultconditioninwhichthedevice
DD
SS
SS
outputs are shorted to V
ground (see Figure 15).
or V , and the power supplies are at low and provide low-impedance paths to
DD
V
DD
V
DD
Output
±15 V
GD75323
GD75323
V
SS
V
SS
Figure 15. Power-Supply Protection to Meet Power-Off Fault Conditions of TIA/EIA-232-F
TIA/EIA-232-F
DB9S
Connector
–12 V
TL16C450
ACE
10
9
8
7
6
5
4
3
2
1
11
12
13
14
15
16
17
18
19
20
5
GND
5DA
3RY
4DA
2RY
1RY
3DA
2DA
1DA
V
SS
9
43
RI
RI
DTR
CTS
SO
5DY
3RA
4DY
2RA
1RA
3DY
2DY
1DY
†
C5
37
40
13
36
11
41
42
DTR
CTS
TX
†
C4
GD75323
RTS
RX
RTS
SI
†
†
C3
6
DSR
DCD
DSR
DCD
†
C2
1
C1
V
CC
V
DD
12 V
5 V
†
See Figure 10 to select the correct values for the loading capacitors (C1, C2, C3, C4, and C5), which may be required to meet the RS-232
maximum slew-rate requirement of 30 V/µs. The value of the loading capacitors required depends upon the line length and desired slew rate,
but is typically 330 pF.
NOTE C: To use the receivers only, V
DD
and V
both must be powered or tied to ground.
SS
Figure 16. Typical Connection
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
IMPORTANT NOTICE
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any product or service without notice, and advise customers to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those
pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF
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Copyright 1999, Texas Instruments Incorporated
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