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SN54AHCT245 Datasheet(HTML) 1 Page - Texas Instruments

Part No. SN54AHCT245
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54AHCT245 Datasheet(HTML) 1 Page - Texas Instruments

 
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SN54AHCT245, SN74AHCT245
OCTAL BUS TRANSCEIVERS
WITH 3STATE OUTPUTS
SCLS233N − OCTOBER 1995 − REVISED MARCH 2005
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Inputs Are TTL-Voltage Compatible
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
− 1000-V Charged-Device Model (C101)
SN54AHCT245 ...J OR W PACKAGE
SN74AHCT245 . . . DB, DGV, DW, N, NS,
OR PW PACKAGE
(TOP VIEW)
32 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
SN54AHCT245 . . . 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
SN74AHCT245 . . . RGY PACKAGE
(TOP VIEW)
120
10
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
OE
B1
B2
B3
B4
B5
B6
B7
A1
A2
A3
A4
A5
A6
A7
A8
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 ’AHCT245 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 effectively are isolated.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC 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
SN74AHCT245N
SN74AHCT245N
QFN − RGY
Tape and reel
SN74AHCT245RGYR
HB245
SOIC − DW
Tube
SN74AHCT245DW
AHCT245
SOIC − DW
Tape and reel
SN74AHCT245DWR
AHCT245
−40
°C to 85°C
SOP − NS
Tape and reel
SN74AHCT245NSR
AHCT245
−40 C to 85 C
SSOP − DB
Tape and reel
SN74AHCT245DBR
HB245
TSSOP − PW
Tube
SN74AHCT245PW
HB245
TSSOP − PW
Tape and reel
SN74AHCT245PWR
HB245
TVSOP − DGV
Tape and reel
SN74AHCT245DGVR
HB245
CDIP − J
Tube
SNJ54AHCT245J
SNJ54AHCT245J
−55
°C to 125°C
CFP − W
Tube
SNJ54AHCT245W
SNJ54AHCT245W
−55 C to 125 C
LCCC − FK
Tube
SNJ54AHCT245FK
SNJ54AHCT245FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
Copyright
 2005, 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.
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.
On products compliant to MILPRF38535, 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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