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SN74HC245PWRE4 Scheda tecnica(PDF) 1 Page - Texas Instruments

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Il numero della parte SN74HC245PWRE4
Spiegazioni elettronici  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN74HC245PWRE4 Scheda tecnica(HTML) 1 Page - Texas Instruments

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SN54HC245, SN74HC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS131D − DECEMBER 1982 − REVISED AUGUST 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current 3-State Outputs Drive Bus
Lines Directly or Up To 15 LSTTL Loads
D Low Power Consumption, 80-μA Max I
CC
D Typical t
pd = 12 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 μA Max
32
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
B1
B2
B3
B4
B5
A3
A4
A5
A6
A7
SN54HC245 ...FK PACKAGE
(TOP VIEW)
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
VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8
SN54HC245 ...J OR W PACKAGE
SN74HC245 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
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.
The devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending on
the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the
device so that the buses are effectively isolated.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 20
SN74HC245N
SN74HC245N
SOIC
DW
Tube of 25
SN74HC245DW
HC245
SOIC − DW
Reel of 2000
SN74HC245DWR
HC245
40
°Cto85°C
SOP − NS
Reel of 2000
SN74HC245NSR
HC245
−40
°C to 85°C
SSOP − DB
Reel of 2000
SN74HC245DBR
HC245
Tube of 70
SN74HC245PW
TSSOP − PW
Reel of 2000
SN74HC245PWR
HC245
TSSOP
PW
Reel of 250
SN74HC245PWT
HC245
CDIP − J
Tube of 20
SNJ54HC245J
SNJ54HC245J
−55
°C to 125°C
CFP − W
Tube of 85
SNJ54HC245W
SNJ54HC245W
LCCC − FK
Tube of 55
SNJ54HC245FK
SNJ54HC245FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
Copyright
© 2003, 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.
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.


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