SN54ALVTHR16245, SN74ALVTHR16245
2.5-V/3.3-V 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS

SCES075D – JUNE 1996 – REVISED DECEMBER 2002
1POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
C0068 State-of-the-Art Advanced BiCMOS
Technology (ABT) Widebus Design for
2.5-V and 3.3-V Operation and Low
Static-Power Dissipation
C0068 Support Mixed-Mode Signal Operation (5-V
Input and Output Voltages With 2.3-V to
3.6-V V
CC
)
C0068 Typical V
OLP
(Output Ground Bounce)
<0.8 V at V
CC
= 3.3 V, T
A
= 25°C
C0068 High Drive (–12/12 mA at 3.3-V V
CC
)
C0068 I
off
and Power-Up 3-State Support Hot
Insertion
C0068 Use Bus Hold on Data Inputs in Place of
External Pullup/Pulldown Resistors to
Prevent the Bus From Floating
C0068 Output Ports Have Equivalent 30-Ω Series
Resistors, So No External Resistors Are
Required
C0068 Flow-Through Architecture Facilitates
Printed Circuit Board Layout
C0068 Distributed V
CC
and GND Pins Minimize
High-Speed Switching Noise
C0068 Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
C0068 ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
description/ordering information
The ’ALVTHR16245 devices are 16-bit (dual-octal) noninverting 3-state transceivers designed for 2.5-V or 3.3-V
V
CC
operation, but with the capability to provide a TTL interface to a 5-V system environment.
ORDERING INFORMATION
T
A
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SSOP – DL Tape and reel SN74ALVTHR16245LR ALVTHR16245
40°Cto85°C
TSSOP – DGG Tape and reel SN74ALVTHR16245GR ALVTHR16245
– C to 85
TVSOP – DGV Tape and reel SN74ALVTHR16245VR TR245
VFBGA – GQL Tape and reel SN74ALVTHR16245KR TR245
–55°C to 125°C CFP – WD Tube SNJ54ALVTHR16245W SNJ54ALVTHR16245W
†
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
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
Widebus is a trademark of Texas Instruments.
SN54ALVTHR16245 . . . WD PACKAGE
SN74ALVTHR16245 . . . DGG, DGV, OR DL PACKAGE
(TOP VIEW)
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1DIR
1B1
1B2
GND
1B3
1B4
V
CC
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
V
CC
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
V
CC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
V
CC
2A5
2A6
GND
2A7
2A8
2OE