SN74LVC863ADGVR [TI]
9-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS; 具有三态输出的9位总线收发器
| 型号： | SN74LVC863ADGVR |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 9-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 文件： | 总9页 (文件大小：139K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
DB, DW, OR PW PACKAGE
(TOP VIEW)
EPIC (Enhanced-Performance Implanted
CMOS) Submicron Process
Typical V
< 0.8 V at V
(Output Ground Bounce)
OLP
OEBA1
A1
V
CC
1
2
3
4
5
6
7
8
9
24
23
22
21
= 3.3 V, T = 25°C
CC
A
B1
B2
B3
Typical V
> 2 V at V
(Output V
Undershoot)
A2
A3
A4
A5
OHV
OH
= 3.3 V, T = 25°C
CC
A
20 B4
Power Off Disables Outputs, Permitting
Live Insertion
19 B5
A6
18 B6
Supports Mixed-Mode Signal Operation on
All Ports (5-V Input/Output Voltage With
A7
A8
17 B7
16 B8
3.3-V V
)
CC
A9 10
OEBA2 11
GND 12
15 B9
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
14 OEAB2
13 OEAB1
Latch-Up Performance Exceeds 250 mA Per
JESD 17
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages
description
This 9-bit bus transceiver is designed for 1.65-V to 3.6-V V
operation.
CC
The SN74LVC863A is designed for asynchronous communication between data buses. The control-function
implementation allows for maximum flexibility in timing.
This device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on
the logic levels at the output-enable (OEAB and OEBA) inputs.
The outputs are in the high-impedance state during power-up and power-down conditions. The outputs remain
in the high-impedance state while the device is powered down.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup
CC
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN74LVC863A is characterized for operation from –40°C to 85°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.
EPIC is a trademark of Texas Instruments Incorporated.
Copyright 1998, 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
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
FUNCTION TABLE
INPUTS
OEAB1 OEAB2 OEBA1 OEBA2
OPERATION
Latch A and B
A to B
L
L
L
L
L
H
X
L
L
X
H
L
L
L
H
X
H
H
X
X
X
H
X
X
H
H
B to A
L
L
H
X
X
H
X
H
H
X
Isolation
†
logic symbol
1
&
&
OEBA1
OEBA2
OEAB1
OEAB2
EN1
EN2
11
13
14
2
23
1
1
1
A1
B1
2
3
4
5
6
7
22
21
20
19
18
A2
A3
A4
A5
A6
B2
B3
B4
B5
B6
8
9
17
16
A7
A8
B7
B8
10
15
A9
B9
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
logic diagram (positive logic)
1
OEBA1
11
OEBA2
13
14
OEAB1
OEAB2
2
23
A1
B1
To Eight Other Channels
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 6.5 V
CC
Input voltage range, V : (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 6.5 V
I
Voltage range applied to any output in the high-impedance or power-off state, V
O
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 6.5 V
Voltage range applied to any output in the high or low state, V
O
(see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to V
+ 0.5 V
CC
Input clamp current, I (V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
(V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
Continuous output current, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA
Package thermal impedance, θ (see Note 3): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104°C/W
IK
I
Output clamp current, I
OK
O
O
Continuous current through V
CC
JA
DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120°C/W
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. The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The value of V is provided in the recommended operating conditions table.
CC
3. The package thermal impedance is calculated in accordance with JESD 51.
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
recommended operating conditions (see Note 4)
MIN
1.65
1.5
MAX
UNIT
Operating
3.6
V
Supply voltage
V
CC
IH
Data retention only
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 1.65 V to 1.95 V
= 2.3 V to 2.7 V
= 2.7 V to 3.6 V
= 1.65 V to 1.95 V
= 2.3 V to 2.7 V
= 2.7 V to 3.6 V
0.65 × V
1.7
CC
V
High-level input voltage
V
V
2
0.35 × V
0.7
CC
V
IL
Low-level input voltage
0.8
V
V
Input voltage
0
0
0
5.5
V
V
I
High or low state
3 state
V
CC
5.5
Output voltage
O
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 1.65 V
= 2.3 V
= 2.7 V
= 3 V
–4
–8
I
High-level output current
Low-level output current
mA
mA
OH
OL
–12
–24
4
= 1.65 V
= 2.3 V
= 2.7 V
= 3 V
8
I
12
24
10
85
∆t/∆v
Input transition rise or fall rate
Operating free-air temperature
0
ns/V
T
–40
°C
A
NOTE 4: All unused inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
CC
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
†
TYP
PARAMETER
TEST CONDITIONS
MIN
V –0.2
CC
MAX
UNIT
V
CC
I
I
I
= –100 µA
= –4 mA
= –8 mA
1.65 V to 3.6 V
1.65 V
2.3 V
OH
OH
OH
1.2
1.7
2.2
2.4
2.2
V
V
OH
2.7 V
I
= –12 mA
OH
3 V
I
I
I
I
I
I
= –24 mA
= 100 µA
= 4 mA
3 V
OH
OL
OL
OL
OL
OL
1.65 V to 3.6 V
1.65 V
2.3 V
0.2
0.45
0.7
V
= 8 mA
V
OL
= 12 mA
= 24 mA
2.7 V
0.4
3 V
0.55
±5
I
I
I
Control inputs V = 0 to 5.5 V
3.6 V
µA
µA
µA
I
I
V or V = 5.5 V
0
±10
±10
10
off
I
O
‡
V
= 0 to 5.5 V
3.6 V
O
OZ
V = V
or GND
I
CC
I
I
O
= 0
3.6 V
µA
CC
§
3.6 V ≤ V ≤ 5.5 V
10
I
∆I
CC
One input at V
– 0.6 V, Other inputs at V
or GND
CC
2.7 V to 3.6 V
3.3 V
500
µA
pF
pF
CC
or GND
C
Control inputs V = V
5
7
i
I
CC
= V
C
A or B ports
V
or GND
3.3 V
io
O
CC
†
‡
§
All typical values are at V
For I/O ports, the parameter I
OZ
This applies in the disabled state only.
= 3.3 V, T = 25°C.
CC
A
includes the input leakage current.
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figures 1 through 3)
V
= 1.8 V
V
= 2.5 V
V
= 3.3 V
CC
± 0.15 V
CC
± 0.2 V
CC
± 0.3 V
V
= 2.7 V
FROM
(INPUT)
TO
(OUTPUT)
CC
PARAMETER
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
6.8
8.3
7
MIN
1.7
1.2
2
MAX
6.1
t
t
t
A or B
B or A
A or B
A or B
¶
¶
¶
¶
¶
¶
¶
¶
¶
¶
¶
¶
ns
ns
ns
pd
en
dis
7.2
OEAB or OEBA
OEAB or OEBA
6.3
¶
This information was not available at the time of publication.
operating characteristics, T = 25°C
A
V
CC
= 1.8 V
V
= 2.5 V
V = 3.3 V
CC
CC
± 0.2 V
TEST
CONDITIONS
± 0.15 V
TYP
¶
± 0.3 V
PARAMETER
UNIT
TYP
TYP
Outputs enabled
Outputs disabled
¶
27
Power dissipation capacitance
per transceiver
C
f = 10 MHz
pF
pd
¶
¶
5
¶
This information was not available at the time of publication.
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
PARAMETER MEASUREMENT INFORMATION
= 1.8 V ± 0.15 V
V
CC
2 × V
CC
Open
S1
1k Ω
From Output
Under Test
TEST
S1
GND
t
Open
pd
/t
C
= 30 pF
t
2 × V
CC
Open
L
PLZ PZL
1k Ω
(see Note A)
t
/t
PHZ PZH
LOAD CIRCUIT
t
w
V
CC
V
CC
V
CC
/2
V
CC
/2
Input
Timing
Input
V
/2
CC
0 V
0 V
VOLTAGE WAVEFORMS
PULSE DURATION
t
su
t
h
V
CC
Output
Control
(low-level
enabling)
Data
Input
V
CC
V
/2
V
CC
/2
CC
V
CC
/2
V
CC
/2
0 V
0 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
t
t
PZL
PLZ
Output
Waveform 1
V
CC
V
CC
V
/2
CC
Input
V
CC
/2
V
CC
/2
S1 at 2 × V
(see Note B)
V
V
+ 0.15 V
V
CC
OL
0 V
OL
t
t
PZH
PHZ
t
t
PLH
PHL
Output
Waveform 2
S1 at Open
(see Note B)
V
OH
V
V
OH
– 0.15 V
OH
V
/2
CC
Output
V
CC
/2
V
CC
/2
0 V
OL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A.
C
L
includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z = 50 Ω, t ≤ 2 ns, t ≤ 2 ns.
O
r
f
D. The outputs are measured one at a time with one transition per measurement.
E.
F.
G.
t
t
t
and t
and t
and t
PHL
are the same as t
.
dis
PLZ
PZL
PLH
PHZ
PZH
are the same as t
.
en
are the same as t .
pd
Figure 1. Load Circuit and Voltage Waveforms
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
PARAMETER MEASUREMENT INFORMATION
= 2.5 V ± 0.2 V
V
CC
2 × V
CC
Open
S1
500 Ω
From Output
Under Test
TEST
S1
GND
t
Open
pd
/t
C
= 30 pF
t
2 × V
CC
GND
L
PLZ PZL
500 Ω
(see Note A)
t
/t
PHZ PZH
LOAD CIRCUIT
t
w
V
CC
V
CC
V
CC
/2
V
CC
/2
Input
Timing
Input
V
/2
CC
0 V
0 V
VOLTAGE WAVEFORMS
PULSE DURATION
t
su
t
h
V
CC
Output
Control
(low-level
enabling)
Data
Input
V
CC
V
/2
V
CC
/2
CC
V
CC
/2
V
CC
/2
0 V
0 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
t
t
PZL
PLZ
Output
Waveform 1
V
CC
V
CC
V
/2
CC
Input
V
CC
/2
V
CC
/2
S1 at 2 × V
(see Note B)
V
V
+ 0.15 V
V
CC
OL
0 V
OL
t
t
PZH
PHZ
t
t
PLH
PHL
Output
Waveform 2
S1 at GND
V
OH
V
V
OH
– 0.15 V
OH
V
/2
CC
Output
V
CC
/2
V
CC
/2
0 V
OL
(see Note B)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A.
C includes probe and jig capacitance.
L
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z = 50 Ω, t ≤ 2 ns, t ≤ 2 ns.
O
r
f
D. The outputs are measured one at a time with one transition per measurement.
E.
F.
G.
t
t
t
and t
and t
and t
PHL
are the same as t
.
dis
PLZ
PZL
PLH
PHZ
PZH
are the same as t
.
en
are the same as t .
pd
Figure 2. Load Circuit and Voltage Waveforms
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN74LVC863A
9-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS310G – MARCH 1993 – REVISED JUNE 1998
PARAMETER MEASUREMENT INFORMATION
V
= 2.7 V AND 3.3 V ± 0.3 V
CC
6 V
TEST
S1
S1
500 Ω
Open
GND
t
Open
6 V
pd
/t
From Output
Under Test
t
PLZ PZL
/t
t
GND
PHZ PZH
C
= 50 pF
L
500 Ω
LOAD CIRCUIT
1.5 V
(see Note A)
t
w
2.7 V
0 V
1.5 V
1.5 V
Input
2.7 V
0 V
Timing
Input
VOLTAGE WAVEFORMS
PULSE DURATION
t
su
t
h
2.7 V
0 V
Data
Input
2.7 V
0 V
1.5 V
1.5 V
Output
Control
(low-level
enabling)
1.5 V
1.5 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
t
t
PZL
t
PLZ
Output
Waveform 1
S1 at 6 V
3 V
2.7 V
0 V
1.5 V
Input
1.5 V
1.5 V
V
+ 0.3 V
– 0.3 V
OL
V
OL
(see Note B)
t
PHZ
t
PLH
t
PHL
PZH
Output
Waveform 2
S1 at GND
V
OH
V
OH
V
OH
1.5 V
Output
1.5 V
1.5 V
(see Note B)
0 V
V
OL
VOLTAGE WAVEFORMS
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
ENABLE AND DISABLE TIMES
NOTES: A.
C
L
includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z = 50 Ω, t ≤ 2.5 ns, t ≤ 2.5 ns.
O
r
f
D. The outputs are measured one at a time with one transition per measurement.
E.
F.
G.
t
t
t
and t
and t
and t
PHL
are the same as t
.
dis
PLZ
PZL
PLH
PHZ
PZH
are the same as t
.
en
are the same as t .
pd
Figure 3. Load Circuit and Voltage Waveforms
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
IMPORTANT NOTICE
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue
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
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR
WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER
CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO
BE FULLY AT THE CUSTOMER’S RISK.
In order to minimize risks associated with the customer’s applications, adequate design and operating
safeguards must be provided by the customer to minimize inherent or procedural hazards.
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other
intellectual property right of TI covering or relating to any combination, machine, or process in which such
semiconductor products or services might be or are used. TI’s publication of information regarding any third
party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.
Copyright 1998, Texas Instruments Incorporated
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