Freelance Electronics Components Distributor
Closed Dec 25th-26th
800-300-1968

We Stock Hard to Find Parts
My Account | My Orders | My Cart
Questions? (800) 300-1968

SNJ54ACT245W

Part # SNJ54ACT245W
Description Bus XCVR Single 8-CH 3-ST 20-Pin CFPAK Tube - Rail/Tube (A
Category IC
Availability In Stock
Qty 4
Qty Price
1 - 2 $20.25933
3 + $15.34798
Manufacturer Available Qty
Texas Instruments
Date Code: 0420
  • Shipping Freelance Stock: 4
    Ships Immediately

Related Items

SNJ5400W
Texas Instruments
IC
SNJ5400W
$11.63320
SNJ5401J
Texas Instruments
IC
SNJ5401J
$8.02689
SNJ5401W
Texas Instruments
IC
SNJ5401W
$10.60761
SNJ5402J
Texas Instruments
IC
SNJ5402J
$3.06137
SNJ5405J
Texas Instruments
IC
SNJ5405J
$7.58055
SNJ5405W
Texas Instruments
IC
SNJ5405W
$10.71477


Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

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)
A2
A1
DIR
B7
B6
OE
A8
GND
B8
V
CC
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
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP – N Tube SN74ACT245N SN74ACT245N
SOIC DW
Tube SN74ACT245DW
ACT245
40°Cto85°C
SOIC
–
DW
Tape and reel SN74ACT245DWR
ACT245
–
40°C
to
85°C
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
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 MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
SN54ACT245, SN74ACT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS452E – SEPTEMBER 1994 – REVISED OCTOBER 2002
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
FUNCTION TABLE
(each transceiver)
INPUTS
OPERATION
OE DIR
OPERATION
L L B data to A bus
L H A data to B bus
H X Isolation
logic diagram (positive logic)
DIR
OE
A1
B1
To Seven Other Channels
1
2
19
18
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
†
Supply voltage range, V
CC
–0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, V
I
(see Note 1) –0.5 V to V
CC
+ 0.5 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range, V
O
(see Note 1) –0.5 V to V
CC
+ 0.5 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, I
IK
(V
I
< 0 or V
I
> V
CC
) ±20 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, I
OK
(V
O
< 0 or V
O
> V
CC
) ±20 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, I
O
(V
O
= 0 to V
CC
) ±50 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through V
CC
or GND ±200 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance, θ
JA
(see Note 2): DB package 70°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package 58°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package 69°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NS package 60°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package 83°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
–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 voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
SN54ACT245, SN74ACT245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS452E – SEPTEMBER 1994 – REVISED OCTOBER 2002
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ACT245 SN74ACT245
UNIT
MIN MAX MIN MAX
UNIT
V
CC
Supply voltage 4.5 5.5 4.5 5.5 V
V
IH
High-level input voltage 2 2 V
V
IL
Low-level input voltage 0.8 0.8 V
V
I
Input voltage 0 V
CC
0 V
CC
V
V
O
Output voltage 0 V
CC
0 V
CC
V
I
OH
High-level output current –24 –24 mA
I
OL
Low-level output current 24 24 mA
t/ v Input transition rise or fall rate 8 8 ns/V
T
A
Operating free-air temperature –55 125 –40 85 °C
NOTE 3: All unused inputs of the device must be held at V
CC
or GND to ensure proper device operation. Refer to the TI application report
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
T
A
= 25°C SN54ACT245 SN74ACT245
UNIT
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
I
OH
= 50 A
4.5 V 4.4 4.49 4.4 4.4
I
OH
= –
50
A
5.5 V 5.4 5.49 5.4 5.4
V
OH
I
OH
= 24 mA
4.5 V 3.88 3.7 3.76
V
V
OH
I
OH
= –
24
mA
5.5 V 4.86 4.7 4.76
V
I
OH
= –50 mA
†
5.5 V 3.85
I
OH
= –75 mA
†
5.5 V 3.85
I
OL
=50 A
4.5 V 0.001 0.1 0.1 0.1
I
OL
=
50
A
5.5 V 0.001 0.1 0.1 0.1
V
OL
I
OL
=24mA
4.5 V 0.36 0.5 0.44
V
V
OL
I
OL
=
24
mA
5.5 V 0.36 0.5 0.44
V
I
OL
= 50 mA
†
5.5 V 1.65
I
OL
= 75 mA
†
5.5 V 1.65
I
OZ
A or B ports
‡
V
O
= V
CC
or GND 5.5 V ±0.5 ±10 ±5 A
I
I
OE or DIR V
I
= V
CC
or GND 5.5 V ±0.1 ±1 ±1 A
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 4 80 40 A
I
CC
§
One input at 3.4 V,
Other inputs at GND or V
CC
5.5 V 0.6 1.6 1.5 mA
C
i
V
I
= V
CC
or GND 5 V 4.5 pF
C
io
V
O
= V
CC
or GND 5 V 15 pF
†
Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms.
‡
For I/O ports, the parameter I
OZ
includes the input leakage current.
§
This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or V
CC
.
12345NEXT
Address
Freelance Electronics
13197 Sandoval Street
Santa Fe Springs, CA 90670
 
Hours of Operation  (Holiday Hours)
Monday-Friday 7:30am-4:30pm PST
(Deadline for next day shipment 2:00pm PST)
Seal
Government Cage code#-1V4R6
Duns Number# 788130532
Certified Small Disadvantaged Business
Customer Service
Company
Information
Connect with Us
Twitter Facebook Instagra,
This site is protected by Trustwave's Trusted Commerce program