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参数资料
| 型号： | SN74LVC543PW |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 登记收发器八路三态输出 |
| 文件页数： | 3/6页 |
| 文件大小： | 99K |
| 代理商： | SN74LVC543PW |
SN74LVC543
OCTAL REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
SCAS299A – JANUARY 1993 – REVISED JULY 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
:Except I/O ports (see Note 1)
I/O ports (see Notes 1 and 2)
Output voltage range, V
O
(see Notes 1 and 2)
Input clamp current, I
IK
(V
I
< 0)
Output clamp current, I
OK
(V
O
< 0 or V
O
> V
CC
)
Continuous output current, I
O
(V
O
= 0 to V
CC
)
Continuous current through V
CC
or GND
Maximum power dissipation at T
A
= 55
°
C (in still air) (see Note 3):DB package
–0.5 V to 4.6 V
–0.5 V to 6.5 V
–0.5 V to V
CC
+ 0.5 V
–0.5 V to V
CC
+ 0.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–50 mA
±
50 mA
±
50 mA
±
100 mA
0.65 W
1.7 W
0.7 W
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . .
DW package
PW package
Storage temperature range, T
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 and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This value is limited to 4.6 V maximum.
3. The maximum package power dissipation is calculated using a junction temperature of 150
°
C and a board trace length of 750 mils.
For more information, refer to the Package Thermal Considerationsapplication note in the 1994 ABT Advanced BiCMOS Technology
Data Book literature number SCBD002B.
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions (see Note 4)
MIN
MAX
UNIT
VCC
VIH
VIL
Supply voltage
2.7
3.6
V
High-level input voltage
VCC = 2.7 V to 3.6 V
VCC = 2.7 V to 3.6 V
Control inputs
2
V
Low-level input voltage
0.8
V
VI
Input voltage
0
5.5
V
Data inputs
0
VCC
VCC
–12
VO
Output voltage
0
V
IOH
High level output current
High-level output current
VCC = 2.7 V
VCC = 3 V
VCC = 2.7 V
VCC = 3 V
mA
–24
IOL
Low level output current
Low-level output current
12
mA
24
t/
v
TA
NOTE 4: Unused inputs must be held high or low to prevent them from floating.
Input transition rise or fall rate
0
10
ns/V
°
C
Operating free-air temperature
–40
85
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