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SN74AHCT16245
SCLS335K – MARCH 1996 – REVISED OCTOBER 2014
SN74AHCT16245 16-Bit Bus Transceivers With 3-State Outputs
1 Features
•1 Members of Texas Instruments’ Widebus™ Family
• Inputs are TTL-Voltage Compatible • Distributed VCC and GND Pins Minimize
High-Speed Switching Noise • Flow-Through Architecture Optimizes PCB Layout • Latch-Up Performance Exceeds 250 mA
Per JESD 17
2 Applications
• Telecom and Wireless Infrastructures • Electronic Points of Sale • Printers and Other Peripherals • Motor Drives • Health and Fitness
3 Description
The SN74AHCT16245 device is a 16-bit (dual-octal) noninverting 3-state transceiver designed for synchronous two-way communication between data buses.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TVSOP (48)
9.70 mm × 4.40 mm
SN74AHCT16245 SSOP (48)
15.80 mm × 7.50 mm
TSSOP (48)
12.50 mm × 6.10 mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
4 Simplified Schematic
1OE 1DIR
2OE 2DIR
G3 3 EN1 [BA] 3 EN2 [AB] G6 6 EN4 [BA] 6 EN5 [AB]
1A1
1
1B1
2
1A2
1B2
1A3
1B3
1A4
1B4
1A5
1B5
1A6
1B6
1A7
1B7
1A8
1B8
2A1
4
2B1
5
2A2
2B2
2A3
2B3
2A4
2B4
2A5
2B5
2A6
2B6
2A7
2B7
2A8
2B8
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA.
SN74AHCT16245
SCLS335K – MARCH 1996 – REVISED OCTOBER 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1 2 Applications ........................................................... 1 3 Description ............................................................. 1 4 Simplified Schematic............................................. 1 5 Revision History..................................................... 2 6 Pin Configuration and Functions ......................... 3 7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5 7.2 Handling Ratings....................................................... 5 7.3 Recommended Operating Conditions....................... 5 7.4 Thermal Information .................................................. 6 7.5 Electrical Characteristics........................................... 6 7.6 Switching Characteristics .......................................... 7 7.7 Noise Characteristics ................................................ 7 7.8 Operating Characteristics.......................................... 7 7.9 Typical Characteristics .............................................. 7 8 Parameter Measurement Information .................. 8
9 Detailed Description .............................................. 9 9.1 Overview ................................................................... 9 9.2 Functional Block Diagrams ....................................... 9 9.3 Feature Description................................................. 10 9.4 Device Functional Modes........................................ 10
10 Application and Implementation........................ 11 10.1 Application Information.......................................... 11 10.2 Typical Application ............................................... 11
11 Power Supply Recommendations ..................... 12 12 Layout................................................................... 12
12.1 Layout Guidelines ................................................. 12 12.2 Layout Example .................................................... 12 13 Device and Documentation Support ................. 13 13.1 Trademarks ........................................................... 13 13.2 Electrostatic Discharge Caution ............................ 13 13.3 Glossary ................................................................ 13 14 Mechanical, Packaging, and Orderable Information ........................................................... 13
5 Revision History
Changes from Revision J (October 2000) to Revision K
Page
• Updated document to new TI data sheet format. ................................................................................................................... 1 • Deleted Ordering Information table. ....................................................................................................................................... 1 • Deleted SN54AHCT16245 device from data sheet................................................................................................................ 1 • Added Applications. ................................................................................................................................