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SN54AHC245 Datasheet(HTML) 1 Page - Texas Instruments

Part No. SN54AHC245
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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SN54AHC245 Datasheet(HTML) 1 Page - Texas Instruments

 
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SN54AHC245, SN74AHC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS230I – OCTOBER 1995 – REVISED JULY 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Range 2-V to 5.5-V VCC
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
description/ordering information
The ’AHC245 octal bus transceivers are designed
for
asynchronous
two-way
communication
between
data
buses.
The
control-function
implementation
minimizes
external
timing
requirements.
These 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.
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
SN74AHC245N
SN74AHC245N
SOIC
DW
Tube
SN74AHC245DW
AHC245
SOIC – DW
Tape and reel
SN74AHC245DWR
AHC245
–40
°C to 85°C
SSOP – DB
Tape and reel
SN74AHC245DBR
HA245
TSSOP
PW
Tube
SN74AHC245PW
HA245
TSSOP – PW
Tape and reel
SN74AHC245PWR
HA245
TVSOP – DGV
Tape and reel
SN74AHC245DGVR
HA245
CDIP – J
Tube
SNJ54AHC245J
SNJ54AHC245J
–55
°C to 125°C
CFP – W
Tube
SNJ54AHC245W
SNJ54AHC245W
LCCC – FK
Tube
SNJ54AHC245FK
SNJ54AHC245FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
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.
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.
SN54AHC245 ...J OR W PACKAGE
SN74AHC245 . . . DB, DGV, DW, N, OR PW PACKAGE
(TOP VIEW)
SN54AHC245 . . . 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
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
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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