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SN74LVT245B Datasheet, PDF (1/15 Pages) Texas Instruments – 3.3-V ABT OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
D Supports Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
3.3-V VCC)
D Supports Unregulated Battery Operation
Down to 2.7 V
D Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
DB, DW, NS, OR PW PACKAGE
(TOP VIEW)
DIR 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
SN74LVT245B
3.3ĆV ABT OCTAL BUS TRANSCEIVER
WITH 3ĆSTATE OUTPUTS
SCES004H − JANUARY 1995 − REVISED SEPTEMBER 2003
D Ioff and Power-Up 3-State Support Hot
Insertion
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
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)
RGY PACKAGE
(TOP VIEW)
1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
10
20
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11
description/ordering information
This octal bus transceiver is designed specifically for low-voltage (3.3-V) VCC operation, but with the capability
to provide a TTL interface to a 5-V system environment.
The SN74LVT245B is designed for asynchronous communication between data buses. The device transmits
data 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 the buses are
effectively isolated.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
QFN − RGY
Tape and reel SN74LVT245BRGYR LX245B
SOIC − DW
SOP − NS
Tube
Tape and reel
Tape and reel
SN74LVT245BDW
SN74LVT245BDWR
SN74LVT245BNSR
LVT245B
LVT245B
−40°C to 85°C
SSOP − DB
Tape and reel SN74LVT245BDBR
LX245B
TSSOP − PW
Tube
Tape and reel
SN74LVT245BPW
SN74LVT245BPWR
LX245B
VFBGA − GQN
VFBGA − ZQN (Pb-free)
Tape and reel
SN74LVT245BGQNR
SN74LVT245BZQNR
LX245B
† 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.
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.
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Copyright  2003, Texas Instruments Incorporated
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