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參數(shù)資料
| 型號(hào)： | SN54ABT646 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器/寄存器(三態(tài)輸出)) |
| 中文描述： | 八路總線收發(fā)器和寄存器具有三態(tài)輸出（八總線收發(fā)器/寄存器（三態(tài)輸出）） |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大?。?/td> | 212K |
| 代理商： | SN54ABT646 |
SN54ABT646, SN74ABT646
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS068E – JULY 1991 – REVISED JULY 1994
2–5
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)
Voltage range applied to any output in the high state or power-off state, V
O
Current into any output in the low state, I
O
: SN54ABT646
–0.5 V to 7 V
–0.5 V to 7 V
–0.5 V to 5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .
96 mA
128 mA
–18 mA
–50 mA
0.65 W
1.7 W
1.3 W
0.7 W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74ABT646
Input clamp current, I
IK
(V
I
< 0)
Output clamp current, I
OK
(V
O
< 0)
Maximum power dissipation at T
A
= 55
°
C (in still air) (see Note 2):DB package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
DW package
NT package
PW package
Storage temperature range
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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. The maximum package power dissipation is calculated using a junction temperature of 150
°
C and a board trace length of 750 mils,
except for the NT package, which has a trace length of zero. For more information, refer to the Package Thermal Considerations
application note in the 1994 ABT Advanced BiCMOS Technology Data Book literature number SCBD002B.
recommended operating conditions (see Note 3)
SN54ABT646
SN74ABT646
UNIT
MIN
MAX
MIN
MAX
VCC
VIH
VIL
VI
IOH
IOL
t/
v
TA
NOTE 3: Unused or floating pins (input or I/O) must be held high or low.
Supply voltage
4.5
5.5
4.5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
VCC
–24
0
VCC
–32
V
High-level output current
mA
Low-level output current
48
64
mA
Input transition rise or fall rate
5
5
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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| SN54ABT648 | Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器和寄存器(三態(tài)輸出)) |
| SN74ABT648 | Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器和寄存器(三態(tài)輸出)) |
| SN54ABT651FK | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
| SN54ABT651JT | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
| SN74ABT651DB | OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54ABT646A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646A_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
| SN54ABT646AFK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646AJT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
| SN54ABT646AW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUPUTS |
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