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SN74LVT245BDBR-SN74LVT245BDW-SN74LVT245BDWR-SN74LVT245BNSR-SN74LVT245BPW-SN74LVT245BPWG4-SN74LVT245BPWR-SN74LVT245BRGYR
3.3-V ABT Octal Bus Transceivers With 3-State Outputs
SN74LVT245B
3.3-V ABT OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES004H − JANUARY 1995 − REVISED SEPTEMBER 2003
Supports Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
3.3-V VCC) Supports Unregulated Battery Operation
Down to 2.7 V Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C Ioff and Power-Up 3-State Support Hot
Insertion Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
− 1000-V Charged-Device Model (C101)
DB, DW, NS, OR PW PACKAGE
(TOP VIEW)DIR
GND
VCC
RGY PACKAGE
(TOP VIEW)120 11
GND
DIR
description/ordering informationThis 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 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.
