SN54LVTH16646_08 Datasheet, PDF (1/14 Pages) Texas Instruments – 3.3-V ABT 16-BIT BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

SN54LVTH16646, SN74LVTH16646
3.3ĆV ABT 16ĆBIT BUS TRANSCEIVERS AND REGISTERS
WITH 3ĆSTATE OUTPUTS
SCBS698G − JULY 1997 − REVISED MAY 2004
D Members of the Texas Instruments
Widebus  Family
D State-of-the-Art Advanced BiCMOS
Technology (ABT) Design for 3.3-V
Operation and Low Static-Power
Dissipation
D Support Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
3.3-V V_CC)
D Support Unregulated Battery Operation
Down to 2.7 V
D Typical V_OLP (Output Ground Bounce)
<0.8 V at V_CC = 3.3 V, T_A = 25°C
D I_off and Power-Up 3-State Support Hot
Insertion
D Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
D Distributed V_CC and GND Pin Configuration
Minimizes High-Speed Switching Noise
D Flowthrough Architecture Optimizes PCB
Layout
D Latch-Up Performance Exceeds 500 mA Per
JESD 17
D ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
description/ordering information
The ’LVTH16646 devices are 16-bit bus
transceivers and registers designed for
low-voltage (3.3-V) V_CC operation, but with the
capability to provide a TTL interface to a 5-V
system environment.
SN54LVTH16646 . . . WD PACKAGE
SN74LVTH16646 . . . DGG OR DL PACKAGE
(TOP VIEW)
1DIR ¹
1CLKAB ²
1SAB ³
GND ⁴
1A1 ⁵
1A2 ⁶
V_CC ⁷
1A3 ⁸
1A4 ⁹
1A5 ¹⁰
GND ¹¹
1A6 ¹²
1A7 ¹³
1A8 ¹⁴
2A1 ¹⁵
2A2 ¹⁶
2A3 ¹⁷
GND ¹⁸
2A4 ¹⁹
2A5 ²⁰
2A6 ²¹
V_CC ²²
2A7 ²³
2A8 ²⁴
GND ²⁵
2SAB ²⁶
2CLKAB ²⁷
2DIR ²⁸
56 _1OE
55 _1CLKBA
54 _1SBA
53 _GND
52 _1B1
51 _1B2
50 _VCC
49 _1B3
48 _1B4
47 _1B5
46 _GND
45 _1B6
44 _1B7
43 _1B8
42 _2B1
41 _2B2
40 _2B3
39 _GND
38 _2B4
37 _2B5
36 _2B6
35 _VCC
34 _2B7
33 _2B8
32 _GND
31 _2SBA
30 _2CLKBA
29 _2OE
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
−40°C to 85°C
SSOP − DL
TSSOP − DGG
Tube
Tape and reel
Tape and reel
SN74LVTH16646DL
SN74LVTH16646DLR
SN74LVTH16646DGGR
LVTH16646
LVTH16646
−55°C to 125°C CFP − WD
Tube
SNJ54LVTH16646WD
SNJ54LVTH16646WD
† _{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.
Widebus is a trademark of Texas Instruments.
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.
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Copyright  2004, Texas Instruments Incorporated
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