Details, datasheet, quote on part number: SN74ABT2952ADWR
CategorySemiconductors => Logic => Buffer/Driver/Transceiver => Registered Transceiver
Part familySN74ABT2952A Octal Bus Transceivers And Registers With 3-State Outputs
TitleRegistered Transceivers
DescriptionOctal Bus Transceivers And Registers With 3-State Outputs 24-SOIC -40 to 85
CompanyTexas Instruments, Inc.
DatasheetDownload SN74ABT2952ADWR datasheet
Cross ref.Similar parts: 74ABT2952CSCX, 74ABT2952D-T, 74ABT2952CSC
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Technology FamilyABT
Approx. Price (US$)2.35 | 1ku
ICC @ Nom Voltage(Max)(mA)0.035
Operating Temperature Range(C)-40 to 85
Output Drive (IOL/IOH)(Max)(mA)-32/64
Schmitt TriggerNo
Package GroupSOIC
F @ Nom Voltage(Max)(Mhz)150
tpd @ Nom Voltage(Max)(ns)6.3
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
24DWSOICR-PDSO-G2000LARGE T&RABT2952A 7.515.42.351.27
Application notes
• Quad Flatpack No-Lead Logic Packages (Rev. D)
Texas Instruments (TI) Quad Flatpack No-lead (QFN) 14/16/20-terminal Pb-free plastic packages meet dimensions specified in JEDEC standard MO-241, allow for board miniaturization, and hold several advantages over traditional SOIC, SSOP, TSSOP, and TVSOP pac | Doc
• Advanced BiCMOS Technology (ABT) Logic Characterization Information (Rev. B)
The purpose of this document is to assist the designers of high-performance digital logic systems in using the advanced BiCMOS technology (ABT) logic family. Detailed electrical characteristics of these bus-interface devices are provided and tables and gra | Doc
• Advanced BiCMOS Technology (ABT) Logic Enables Optimal System Design (Rev. A)
Advanced bus-interface logic (ABIL) products processed in submicron advanced BiCMOS technologies (ABT) address the specific end-equipment demands of workstations, personal and portable computers, and telecommunications markets. This document discusses ABIL | Doc
• Understanding Advanced Bus-Interface Products Design Guide | Doc
• Family of Curves Demonstrating Output Skews for Advanced BiCMOS Devices (Rev. A)
This document shows the output skew for the ABT16254, ABT16952, and ABT16500A devices of the TI advanced BiCMOS (ABT) family. The data samples show which output skew is being examined, where the data originates, and how it is analyzed. Some errors present | Doc
• Power-Up 3-State (PU3S) Circuits in TI Standard Logic Devices
Many telecom and networking applications require that cards be inserted and extracted from a live backplane without interrupting data or damaging components. To achieve this, interface terminals of the card must be electrically isolated from the bus system | Doc


Features, Applications

State-of-the-Art EPIC-B TM BiCMOS Design Significantly Reduces Power Dissipation Two 8-Bit Back-to-Back Registers Store Data Flowing in Both Directions Noninverting Outputs Typical VOLP (Output Ground Bounce) V at VCC = 25C Latch-Up Performance Exceeds 500 mA Per JESD 17 ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model = 200 pF, = 0) Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), Ceramic Flat (W) Package, and Plastic (NT) and Ceramic (JT) DIPs


The 'ABT2952A transceivers consist of two 8-bit back-to-back registers that store data flowing in both directions between two bidirectional buses. Data on the or B bus is stored in the registers on the low-to-high transition of the clock (CLKAB or CLKBA) input provided that the clock-enable (CLKENAB or CLKENBA) input is low. Taking the output-enable (OEAB or OEBA) input low accesses the data on either port. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. The SN54ABT2952A is characterized for operation over the full military temperature range to 125C. The SN74ABT2952A is characterized for operation from to 85C.

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. EPIC is a trademark of Texas Instruments Incorporated.

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.

On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.


Z A-to-B data flow is shown; B-to-A data flow is similar, but uses CLKENBA, CLKBA, and OEBA. Level of B before the indicated steady-state input conditions were established


This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the DB, DW, JT, NT, PW, and W packages.

To Seven Other Channels Pin numbers shown are for the DB, DW, JT, NT, PW, and W packages.


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