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參數(shù)資料
| 型號： | SNJ54ACT245K |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器與三態(tài)輸出 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 498K |
| 代理商： | SNJ54ACT245K |
SN54ACT245, SN74ACT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS452E – SEPTEMBER 1994 – REVISED OCTOBER 2002
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
4.5-V to 5.5-V V
CC
Operation
Inputs Accept Voltages to 5.5 V
Max t
pd
of 8 ns at 5 V
Inputs Are TTL-Voltage Compatible
SN54ACT245 . . . J OR W PACKAGE
SN74ACT245 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
3
2 1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
SN54ACT245 . . . FK PACKAGE
(TOP VIEW)
A
A
D
B
B
O
A
G
B
V
C
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
V
CC
OE
B1
B2
B3
B4
B5
B6
B7
B8
description/ordering information
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The
control-function implementation minimizes external timing requirements.
When the output-enable (OE) is low, the device passes noninverted data from the A bus to the B bus or from
the B bus to the A bus, depending upon the logic level at the direction-control (DIR) input. A high on
OE
disables
the device so that the buses are effectively isolated.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N
Tube
SN74ACT245N
SN74ACT245N
SOIC – DW
Tube
SN74ACT245DW
ACT245
°
°
–40
C to 85
C
Tape and reel
SN74ACT245DWR
SOP – NS
Tape and reel
SN74ACT245NSR
ACT245
SSOP – DB
Tape and reel
SN74ACT245DBR
AD245
TSSOP – PW
Tape and reel
SN74ACT245PWR
AD245
CDIP – J
Tube
SNJ54ACT245J
SNJ54ACT245J
–55
°
C to 125
°
C
CFP – W
Tube
SNJ54ACT245W
SNJ54ACT245W
LCCC – FK
Tube
SNJ54ACT245K
SNJ54ACT245FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
2002, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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.
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.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SNJ54ACT245W | 制造商:Texas Instruments 功能描述:Bus XCVR Single 8-CH 3-ST 20-Pin CFPAK Tube 制造商:Texas Instruments 功能描述:3 TO 8 DECODER/DEMULTIPLEXER |
| SNJ54ACT24FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| SNJ54ACT32FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT POSITIVE-OR GATES |
| SNJ54ACT32J | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT POSITIVE-OR GATES |
| SNJ54ACT32W | 制造商:TI 制造商全稱:Texas Instruments 功能描述:QUADRUPLE 2-INPUT POSITIVE-OR GATES |
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