SN75LBC776DW [ROCHESTER]

DUAL LINE TRANSCEIVER, PDSO20, GREEN, PLASTIC, SOIC-20;
SN75LBC776DW
型号: SN75LBC776DW
厂家: Rochester Electronics    Rochester Electronics
描述:

DUAL LINE TRANSCEIVER, PDSO20, GREEN, PLASTIC, SOIC-20

驱动 信息通信管理 光电二极管 接口集成电路 驱动器
文件: 总17页 (文件大小:891K)
中文:  中文翻译
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B – NOVEMBER 1995 – REVISED MARCH 2002  
DB or DW PACKAGE  
(TOP VIEW)  
Single-Chip Interface Solution for the  
9-terminal GeoPort Host (DTE)  
Designed to Operate up to 4 Mbit/s Full  
Duplex  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DA1  
GND  
V
V
EE  
CC  
Single 5-V Supply Operation  
C–  
C+  
DY1  
RY3  
RB3  
RA2  
RY2  
RB1  
RA1  
RY1  
6-kV ESD Protection on All Terminals  
SHDN  
DZ2  
DY2  
GND  
DEN  
DA2  
Backward compatible With AppleTalk and  
LocalTalk  
Combines Multiple Components into a  
Single-chip Solution  
Complements the SN75LBC777 9-Terminal  
GeoPort Peripheral (DCE) Interface Device  
LinBiCMOS Process Technology  
description  
The SN75LBC776 is a low-power LinBiCMOS device that incorporates the drivers and receivers for a 9-pin  
GeoPort host interface. GeoPort combines hybrid EIA/TIA-422-B and EIA/TIA-423-B drivers and receivers to  
transmit data up to four megabits per second (Mbit/s) full duplex. GeoPort is a serial communications standard  
that is intended to replace the RS-232, Appletalk, and LocalTalk printer ports all in one connector in addition  
to providing real-time data transfer capability. It provides point-to-point connections between  
GeoPort-compatible devices with data transmission rates up to 4 Mbit/s full duplex and a hot-plug feature.  
Applications include connection to telephony, integrated services digital network (ISDN), digital sound and  
imaging, fax-data modems, and other serial and parallel connections. The GeoPort is backwardly compatible  
to both LocalTalk and AppleTalk.  
WhiletheSN75LBC776ispowered-off(V =0)theoutputsareinahigh-impedancestate. Whentheshutdown  
CC  
(SHDN) terminal is high, the charge pump is powered down and the outputs are in a high-impedance state. The  
driver enable (DEN) terminal sends the outputs of the differential driver into a high-impedance state with a high  
input signal. All drivers and receivers have fail-safe mechanisms to ensure a high output state when the inputs  
are left open.  
A switched-capacitor voltage converter generates the negative voltage required from a single 5-V supply using  
four 0.1-µF capacitors, two capacitors between the C+ and C- terminals and two capacitors between V and  
EE  
ground.  
The SN75LBC776 is characterized for operation over the 0°C to 70°C temperature range.  
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.  
GeoPort, LocalTalk, and AppleTalk are trademarks of Apple Computer, Incorporated.  
LinBiCMOS is a trademark of Texas Instruments Incorporated.  
Copyright 2002, 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
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
DRIVER FUNCTION TABLE  
OUTPUT  
INPUT  
DA1  
INPUT  
DA2  
ENABLE  
SHDN  
ENABLE  
DEN  
OUTPUT  
DY1  
DY2  
DZ2  
X
H
X
L
X
L
H
X
X
L
X
X
H
L
L
X
L
X
X
X
H
L
L
L
X
L
L
L
H
L
OPEN  
OPEN  
L
L
X
H
Z
Z
Z
X
X
X
X
X
X
H
X
Z
X
Z
Z
H
Z
OPEN  
OPEN  
Z
H = high level L = low level  
X = irrelevant  
? = indeterminate Z = high impedance (off)  
RECEIVER FUNCTION TABLE  
INPUT  
RA1 RB1  
INPUT  
RA2 & RB3  
ENABLE  
SHDN  
OUTPUT  
RY1  
OUTPUT  
RY2  
OUTPUT  
RY3  
H
L
L
H
L
L
H
L
H
L
L
H
L
H
OPEN  
OPEN  
L
H
?
H
?
H
SHORT  
SHORT  
L
H
?
X
X
X
X
X
Z
Z
Z
Z
Z
X
OPEN  
Z
H = high level L = low level  
0.2 V < V < 0.2 V  
X = irrelevant  
? = indeterminate Z = high impedance (off)  
ID  
function logic diagram (positive logic)  
7
DY2  
10  
DA2  
6
DZ2  
9
DEN  
12  
RA1  
11  
RY1  
13  
RB1  
1
18  
DY1  
DA1  
15  
RA2  
14  
RY2  
17  
RY3  
16  
RB3  
5
SHDN  
19  
V
Charge  
Pump  
CC  
2
V
EE  
(5 V)  
20  
GND  
2
www.ti.com  
SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)  
Positive supply voltage range, V  
Negative supply voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 to 0.5 V  
Receiver input voltage range (RA, RB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V to 15 V  
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to 7 V  
CC  
EE  
Receiver differential input voltage range, V  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 to 12 V  
ID  
Receiver output voltage range (RY) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 5.5 V  
Driver output voltage range (Power Off) (DY1, DY2, DZ2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V to 15 V  
Driver output voltage range (Power On) (DY1, DY2, DZ2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 V to 11 V  
Driver input voltage range (DA, SHND, DEN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to V  
0.4 V  
CC+  
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table  
Electrostatic discharge (see Note 2): (Bus terminals), Class 3, A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 kV  
(Bus terminals), Class 3, B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 V  
(All terminals), Class 3, A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 kV  
(All terminals), Class 3, B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 V  
Operating free-air temperature range, T  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C  
A
Storage temperature range, T  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C  
stg  
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C  
Stresses beyond those listed under absolute maximum ratingsmay 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 conditionsis not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
NOTES: 1. All voltage values are with respect to network ground terminal unless otherwise noted.  
2. This parameter is measured in accordance with MIL-STD-883C, Method 3015.7.  
DISSIPATION RATING TABLE  
T
25°C  
OPERATING FACTOR  
T = 70°C  
A
POWER RATING  
A
PACKAGE  
POWER RATING  
ABOVE T = 25°C  
A
DB  
1035 mW  
8.3 mW/°C  
9.0 mW/°C  
660 mW  
DW  
1125 mW  
720 mW  
3
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
recommended operating conditions  
MIN NOM  
MAX  
5.25  
5.25  
0.8  
7
UNIT  
V
Supply voltage, V  
CC  
4.75  
2
5
High-level input voltage, V  
IH  
DA, SHDN, DEN  
DA, SHDN, DEN  
V
Low-level input voltage, V  
V
IL  
Receiver common-mode input voltage, V  
IC  
7  
12  
0.2  
V
Receiver differential input voltage, V  
Voltage-converter filter capacitance  
12  
V
ID  
µF  
Voltage-converter filter-capacitor equivalent series resistance (ESR)  
Operating free-air temperature, T  
0.2  
70  
0
°C  
A
driver electrical characteristics over operating free-air temperature range (unless otherwise  
noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
3.6  
2
TYP  
4.53  
MAX  
UNIT  
R
R
R
R
= 12 kΩ  
= 120 Ω  
= 12 kΩ  
= 120 Ω  
V
V
V
V
L
L
L
L
V
V
High-level output voltage  
OH  
3.63  
Single ended,  
See Figure 1  
4.53  
2.7  
3.6  
1.8  
Low-level output voltage  
OL  
Magnitude of differential output voltage  
|V  
|
4
V
OD  
|(V  
V  
|
(DZ)  
(DY)  
R
= 120 Ω,  
See Figure 2  
L
|V  
|
Change in differential voltage magnitude  
Common-mode output voltage  
250  
3
mV  
V
OD  
V
OC  
1  
Magnitude of change, common-mode steady  
state output voltage  
|V  
|
|
200  
mV  
mV  
OC(SS)  
OC(PP)  
See Figure 3  
Magnitude of change, common-mode  
peak-to-peak output voltage  
|V  
700  
7
SHDN = DEN = 0 V,  
SHDN = DEN = 5 V,  
No load  
No load  
15  
100  
mA  
µA  
I
Supply current  
CC  
I
I
High-impedance output current  
V
= 10 V to 10 V,  
= 5 V to 5 V  
V = 0 or 5 V  
CC  
±100  
µA  
OZ  
O
O
Short-circuit output current (see Note 3)  
V
±170 ±450  
mA  
OS  
NOTE 3: Not more than one output should be shorted at one time.  
4
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
driver switching characteristics over operating free-air temperature range (unless otherwise  
noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
42  
41  
25  
25  
28  
37  
25  
23  
40  
42  
25  
29  
25  
35  
28  
34  
37  
34  
27  
26  
MAX  
75  
UNIT  
ns  
ns  
µs  
µs  
ns  
ns  
ns  
ns  
ns  
ns  
µs  
ns  
µs  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
t
t
t
t
t
t
t
t
t
t
Propagation delay time, high-to-low level output  
Propagation delay time, low-to-high level output  
Driver output enable time to low-level output  
Driver output enable time to high-level output  
Driver output disable time from low-level output  
Driver output disable time from high-level output  
Rise time  
PHL  
PLH  
PZL  
PZH  
PLZ  
PHZ  
r
75  
100  
100  
100  
100  
75  
Single ended,  
See Figure 4  
SHDN  
10  
10  
Fall time  
75  
f
Propagation delay time, high-to-low level output  
Propagation delay time, low-to-high level output  
75  
PHL  
PLH  
75  
SHDN  
DEN  
100  
150  
100  
150  
100  
100  
100  
100  
75  
t
t
t
t
Driver output enable time to low-level output  
Driver output enable time to high-level output  
Driver output disable time from low-level output  
Driver output disable time from high-level output  
PZL  
PZH  
PLZ  
PHZ  
SHDN  
DEN  
Differential,  
See Figure 5  
SHDN  
DEN  
SHDN  
DEN  
t
t
t
Rise time  
Fall time  
10  
10  
r
75  
f
Pulse skew, |t  
t  
|
22  
SK(p)  
PLH PHL  
receiver electrical characteristics over operating free-air temperature range (unless otherwise  
noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
200  
2
TYP  
MAX  
UNIT  
V
IT+  
V
IT–  
V
hys  
V
OH  
V
OL  
Positive-going input threshold voltage  
Negative-going input threshold voltage  
200  
mV  
See Figure 6  
Differential input voltage hysteresis (V  
High-level output voltage (see Note 4)  
Low-level output voltage  
V  
)
IT–  
50  
4.9  
0.2  
45  
47  
mV  
V
IT+  
V
V
V
V
V
= 0,  
= 0,  
= 0  
I
I
= 2 mA, See Figure 6  
IC  
IC  
O
OH  
= 2 mA,  
See Figure 6  
0.8  
V
OL  
85  
I
Short-circuit output current  
Input resistance  
mA  
OS  
= V  
+85  
O
CC  
= 0 or 5.25 V,  
V = 12 V to 12 V  
CC  
R
6
30  
kΩ  
I
I
NOTE 4: When the inputs are left unconnected, receivers one and two interpret these as high-level inputs and receiver three interprets these  
as low-level inputs so that all outputs are at a high level.  
5
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
receiver switching characteristics over operating free-air temperature range (unless otherwise  
noted)  
PARAMETER  
Propagation delay time, high-to-low-level output  
Propagation delay time, low-to-high level output  
Rise time  
TEST CONDITIONS  
MIN  
TYP  
31  
MAX  
75  
UNIT  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
µs  
µs  
ns  
ns  
t
t
t
t
t
t
t
t
t
t
t
t
t
PHL  
PLH  
r
30  
75  
R
= 2 kΩ,  
See Figure 6  
C
= 15 pF,  
L
L
15  
30  
Fall time  
15  
30  
f
Pulse skew |t  
t  
|
20  
SK(P)  
PZL  
PZH  
PLZ  
PHZ  
PZL  
PZH  
PLZ  
PHZ  
PLH PHL  
Receiver output enable time to low level output  
Receiver output enable time to high level output  
Receiver output disable time from low level output  
Receiver output disable time from high level output  
Receiver output enable time to low level output  
Receiver output enable time to high level output  
Receiver output disable time from low level output  
Receiver output disable time from high level output  
35  
32  
100  
100  
100  
100  
25  
Differential,  
See Figure 7  
C
C
=50 pF,  
=50 pF,  
L
L
21  
21  
12  
12  
25  
Single ended,  
See Figure 7  
25  
100  
400  
125  
6
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
PARAMETER MEASUREMENT INFORMATION  
C
C
L
L
I
O
R
R
L
L
C
R
L
L
DY2  
DZ2  
I
I
O
I
DY1  
I
I
V
V
O
DA1  
DA2  
I
O
V
V
V
I
I
O
SHDN  
O
SHDN  
or  
DEN  
NOTE A: C = 50 pF  
L
TEST CIRCUIT  
Figure 1. Single-Ended Driver DC Parameter Test  
DY2  
DZ2  
60 Ω  
60 Ω  
I
I
O
I
V
OD  
DA2  
V
I
50 pF  
SHDN  
or  
DEN  
TEST CIRCUIT  
Figure 2. Differential Driver DC Parameter Test  
DY2  
DZ2  
60 Ω  
60 Ω  
V
OD  
DA2  
V
I
V
OC  
15 pF  
SHDN  
or  
DEN  
TEST CIRCUIT (see Note A)  
3 V  
0 V  
V
I
1.5 v  
1.5 v  
V
OC  
0 V  
V
OC(SS)  
V
OC(PP)  
VOLTAGE WAVEFORM  
NOTE A: Measured 3dB bandwidth = 300 MHz  
Figure 3. Differential-Driver Common-Mode Output Voltage Tests  
7
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
PARAMETER MEASUREMENT INFORMATION  
C
C
L
L
I
O
R
R
L
L
C
= 50 pF  
L
DY2  
DZ2  
I
I
V
V
O
DY1  
DA1  
DA2  
R
= 120 Ω  
L
I
O
V
O
V
I
SHDN  
O
SHDN  
or  
DEN  
TEST CIRCUIT  
(see Note A)  
3 V  
0 V  
SHDN  
or  
DEN  
1.5 V  
1.5 V  
1.5 V  
1.5 V  
3 V  
0 V  
1.5 V  
1.5 V  
DA  
t
PLH  
t
t
t
PZL  
t
PHL  
PLZ  
PHZ  
V
OH  
90%  
90%  
90%  
DY1, DZ2  
10%  
90%  
0 V  
50%  
10%  
50%  
10%  
10%  
V
OL  
t
PZH  
t
PLZ  
t
f
t
r
t
t
PHL  
PHZ  
t
PLH  
t
PZH  
90%  
V
OH  
DY2  
90%  
90%  
10%  
90%  
50%  
0 V  
50%  
10%  
10%  
10%  
V
OL  
t
t
f
t
PZL  
r
VOLTAGE WAVEFORM  
(see Note B)  
NOTES: A.  
C = 50 pF, R = 120 Ω  
L L  
B. The input waveform t , t 10 ns.  
r
f
Figure 4. Single-Ended Driver Propagation and Transition Times  
8
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
PARAMETER MEASUREMENT INFORMATION  
DY2  
DZ2  
R
R
60 Ω  
60 Ω  
L =  
L =  
V
OD  
DA2  
V
I
50 pF  
SHDN  
or  
DEN  
TEST CIRCUIT  
3 V  
0 V  
SHDN  
or  
DEN  
1.5 V  
1.5 V  
1.5 V  
1.5 V  
3 V  
0 V  
1.5 V  
1.5 V  
DA  
t
PHL  
t
t
t
t
PLH  
PHZ  
90%  
PZH  
90%  
PLZ  
V
OD(H)  
90%  
V
OD  
10%  
50%  
10%  
50%  
10%  
0 V  
90%  
10%  
V
OD(L)  
t
PZL  
t
f
t
r
VOLTAGE WAVEFORM  
(see Note A)  
Figure 5. Differential Driver Propagation and Transition Times  
V
CC  
2 kΩ  
2.5 V  
V
0 V  
0 V  
I
I
I
2.5 V  
RA  
RB  
I
O
+
_
Input  
t
t
RY  
PLH  
PHL  
Output  
V
OH  
V
I
90%  
90%  
V
O
V
O
1.5 V  
15 pF  
10%  
10%  
V
OL  
SHDN  
t
t
f
r
TEST CIRCUIT  
VOLTAGE WAVEFORM  
(see Note A)  
Figure 6. Receiver Propagation and Transition Times  
NOTE A: The input waveform t , t 10 ns.  
r
f
9
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
PARAMETER MEASUREMENT INFORMATION  
V
CC  
RA  
RB  
R
= 500 Ω  
+
_
L
2.5 V or 2.5 V  
RY  
S1  
C
= 50 pF  
L
SHDN  
TEST CIRCUIT  
3 V  
0 V  
SHDN  
1.5 V  
1.5 V  
90%  
t
t
PZL  
PLZ  
V
CC  
S1 at V  
CC  
10%  
90%  
V
OL  
OH  
V
O
t
t
PZH  
PHZ  
V
S1 at GND  
10%  
0 V  
VOLTAGE WAVEFORM  
(see Note A)  
NOTE A: The input waveform t , t 10 ns.  
r
f
Figure 7. Receiver Enable and Disable Test Circuit and Waveforms  
10  
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SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
APPLICATION INFORMATION  
RxD  
11  
13  
12  
RxD–  
GeoPort  
Host  
SN75LBC776  
9-Terminal  
DTE  
GeoPort  
Peripheral  
Device  
9-Pin  
RxD+  
TxD+  
7
6
10  
5
TxD  
SHDN  
DTR  
TxD–  
DCE  
GeoPort  
Controller  
and USART  
GND  
1
RESET/ATT  
SCLK  
18  
15  
RESET/ATT  
SCLK  
14  
17  
9
RTXC  
CTS  
Power  
TxHS/WAKE-UP  
16  
RTS  
TxHS/WAKE-UP  
V
CC  
RxD–  
13  
12  
Standard  
Host  
SN75LBC776  
9-Terminal  
DTE  
19  
RxD+  
16 TxHS/WAKE-UP  
4
3
+
+
+
7
6
TxD+  
0.1 µF  
0.1 µF  
6
7
8
V
CC  
TxD–  
3
4
1
9
2
5
5 V  
(see Note A)  
V
EE  
GND  
2
Power  
0.1 µF  
0.1 µF  
18  
15  
RESET/ATT  
SCLK  
+
8
20  
NOTE A: The AVX 0603YC104MATXA or equivalent is one of the possible capacitors that can be used as the charge pump capacitor.  
Figure 8. GeoPort 9-Terminal DTE Connection Application  
11  
www.ti.com  
SN75LBC776  
SINGLE-CHIP GeoPort TRANSCEIVER  
SLLS221B NOVEMBER 1995 REVISED MARCH 2002  
APPLICATION INFORMATION  
generator characteristics  
EIA/TIA-232/V.28  
EIA/TIA-423/V.10  
562  
MIN  
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN  
MAX  
25  
MIN  
4
MAX  
MAX  
Open circuit  
6
13.2  
V
V
V
|V  
|
Output voltage magnitude  
3 kΩ ≤ R 7 kΩ  
5
NA  
NA  
15  
NA  
3.6  
3.7  
NA  
O
L
R
= 450 Ω  
L
V
Output voltage ringing  
10%  
150  
5%  
60  
O(RING)  
I
Short-circuit output current  
V
V
V
= 0  
100  
mA  
OS  
O(OFF)  
O
= 0, |V | < 2 V  
300  
NA  
NA  
300  
NA  
4
CC  
CC  
O
I
Power-off output current  
Output voltage slew rate  
= 0, |V | < 6 V  
±100  
µA  
O
SR  
30  
NA  
NA  
NA  
30  
V/µs  
µs  
±3.3 V to ±3.3 V  
±3 V to ±3 V  
10% to 90%  
NA  
NA  
0.22  
NA  
NA  
2.1  
t
t
Transition time  
0.04  
ui  
ui  
0.3  
ui is the unit interval and is the inverse of the signaling rate (bit transmit time).  
receiver characteristics  
EIA/TIA-232/V.28  
EIA/TIA-423/V.10  
562  
PARAMETER  
TEST CONDITIONS  
UNIT  
V
MIN  
MAX  
25  
MIN  
MAX  
MIN  
MAX  
25  
|V |  
I
Input voltage magnitude  
Input voltage threshold  
10  
|V | < 15 V  
3  
NA  
3
3
NA  
0.2  
NA  
4
3  
NA  
3
3
I
V
IT  
V
|V | < 10 V  
0.2  
I
3 V < |V | < 15 V  
7
7
kΩ  
kΩ  
I
R
Input resistance  
I
|V | < 10 V  
NA  
NA  
I
12  
www.ti.com  
MECHANICAL DATA  
MSSO002E JANUARY 1995 REVISED DECEMBER 2001  
MECHANICAL INFORMATION  
DB (R-PDSO-G**)  
PLASTIC SMALL-OUTLINE  
28 PINS SHOWN  
0,38  
0,22  
0,65  
28  
M
0,15  
15  
0,25  
0,09  
5,60  
5,00  
8,20  
7,40  
Gage Plane  
1
14  
0,25  
A
0°8°  
0,95  
0,55  
Seating Plane  
0,10  
2,00 MAX  
0,05 MIN  
PINS **  
14  
16  
20  
24  
28  
30  
38  
DIM  
6,50  
5,90  
6,50  
5,90  
7,50  
8,50  
7,90  
10,50  
9,90  
10,50 12,90  
A MAX  
A MIN  
6,90  
9,90  
12,30  
4040065 /E 12/01  
NOTES: A. All linear dimensions are in millimeters.  
B. This drawing is subject to change without notice.  
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.  
D. Falls within JEDEC MO-150  
13  
www.ti.com  
MECHANICAL DATA  
MSSO002E JANUARY 1995 REVISED DECEMBER 2001  
MECHANICAL INFORMATION  
DW (R-PDSO-G**)  
PLASTIC SMALL-OUTLINE PACKAGE  
16 PIN SHOWN  
PINS **  
0.050 (1,27)  
16  
20  
24  
28  
DIM  
0.020 (0,51)  
0.014 (0,35)  
0.010 (0,25)  
M
0.410  
0.510  
0.610  
0.710  
A MAX  
(10,41) (12,95) (15,49) (18,03)  
16  
9
0.400  
0.500  
0.600  
0.700  
A MIN  
(10,16) (12,70) (15,24) (17,78)  
0.419 (10,65)  
0.400 (10,15)  
0.010 (0,25) NOM  
0.299 (7,59)  
0.293 (7,45)  
Gage Plane  
0.010 (0,25)  
1
8
0°8°  
0.050 (1,27)  
0.016 (0,40)  
A
Seating Plane  
0.004 (0,10)  
0.012 (0,30)  
0.004 (0,10)  
0.104 (2,65) MAX  
4040000/B 10/94  
NOTES: A. All linear dimensions are in inches (millimeters).  
B. This drawing is subject to change without notice.  
C. Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15).  
D. Falls within JEDEC MS-013  
14  
www.ti.com  
PACKAGE OPTION ADDENDUM  
www.ti.com  
26-Apr-2005  
PACKAGING INFORMATION  
Orderable Device  
SN75LBC776DB  
SN75LBC776DBR  
SN75LBC776DW  
SN75LBC776DWR  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SSOP  
DB  
20  
20  
20  
20  
70  
Pb-Free  
(RoHS)  
CU NIPDAU Level-2-260C-1YEAR/  
Level-1-220C-UNLIM  
SSOP  
SOIC  
SOIC  
DB  
DW  
DW  
2000  
Pb-Free  
(RoHS)  
CU NIPDAU Level-2-260C-1YEAR/  
Level-1-220C-UNLIM  
25 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
(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) 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.  
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.  
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 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 1  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,  
enhancements, improvements, and other changes to its products and services at any time and to discontinue  
any product or service without notice. Customers should obtain the latest relevant information before placing  
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms  
and conditions of sale supplied at the time of order acknowledgment.  
TI warrants performance of its hardware products to the specifications applicable at the time of sale in  
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI  
deems necessary to support this warranty. Except where mandated by government requirements, testing of all  
parameters of each product is not necessarily performed.  
TI assumes no liability for applications assistance or customer product design. Customers are responsible for  
their products and applications using TI components. To minimize the risks associated with customer products  
and applications, customers should provide adequate design and operating safeguards.  
TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right,  
copyright, mask work right, or other TI intellectual property right relating to any combination, machine, or process  
in which TI products or services are used. Information published by TI regarding third-party products or services  
does not constitute a license from TI to use such products or services or a warranty or endorsement thereof.  
Use of such information may require a license from a third party under the patents or other intellectual property  
of the third party, or a license from TI under the patents or other intellectual property of TI.  
Reproduction of information in TI data books or data sheets is permissible only if reproduction is without  
alteration and is accompanied by all associated warranties, conditions, limitations, and notices. Reproduction  
of this information with alteration is an unfair and deceptive business practice. TI is not responsible or liable for  
such altered documentation.  
Resale of TI products or services with statements different from or beyond the parameters stated by TI for that  
product or service voids all express and any implied warranties for the associated TI product or service and  
is an unfair and deceptive business practice. TI is not responsible or liable for any such statements.  
Following are URLs where you can obtain information on other Texas Instruments products and application  
solutions:  
Products  
Applications  
Audio  
Amplifiers  
amplifier.ti.com  
www.ti.com/audio  
Data Converters  
dataconverter.ti.com  
Automotive  
www.ti.com/automotive  
DSP  
dsp.ti.com  
Broadband  
Digital Control  
Military  
www.ti.com/broadband  
www.ti.com/digitalcontrol  
www.ti.com/military  
Interface  
Logic  
interface.ti.com  
logic.ti.com  
Power Mgmt  
Microcontrollers  
power.ti.com  
Optical Networking  
Security  
www.ti.com/opticalnetwork  
www.ti.com/security  
www.ti.com/telephony  
www.ti.com/video  
microcontroller.ti.com  
Telephony  
Video & Imaging  
Wireless  
www.ti.com/wireless  
Mailing Address:  
Texas Instruments  
Post Office Box 655303 Dallas, Texas 75265  
Copyright 2005, Texas Instruments Incorporated  

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