SN74ALVCH16601

ACTIVE

18-bit universal bus transceiver with 3-state outputs

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18-bit universal bus transceiver with 3-state outputs

SN74ALVCH16601

ACTIVE

Product details

Parameters

Technology Family ALVC Supply voltage (Min) (V) 1.65 Supply voltage (Max) (V) 3.6 Number of channels (#) 18 IOL (Max) (mA) 24 IOH (Max) (mA) -24 Input type Standard CMOS Output type 3-State Features Balanced outputs, Ultra high speed (tpd <5ns), Positive input clamp diode, Bus-hold Rating Catalog Operating temperature range (C) -40 to 85 open-in-new Find other Universal bus transceiver (UBT)

Package | Pins | Size

SSOP (DL) 56 191 mm² 18.42 x 10.35 TSSOP (DGG) 56 113 mm² 14 x 8.1 open-in-new Find other Universal bus transceiver (UBT)

Features

  • Member of the Texas Instruments Widebus™ Family
  • UBT™ (Universal Bus Transceiver) Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, Clocked, or Clock-Enabled Mode
  • EPIC™ (Enhanced-Performance Implanted CMOS) Submicron Process
  • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • Package Options Include Plastic 300-mil Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages

Widebus, UBT, EPIC are trademarks of Texas Instruments.

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Description

This 18-bit universal bus transceiver is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH16601 combines D-type latches and D-type flip-flops to allow data flow in transparent, latched, and clocked modes.

Data flow in each direction is controlled by output-enable (OEAB\ and OEBA\), latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. The clock can be controlled by the clock-enable (CLKENAB\ and CLKENBA\) inputs. For A-to-B data flow, the device operates in the transparent mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level. If LEAB is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLKAB. Output enable OEAB\ is active low. When OEAB\ is low, the outputs are active. When OEAB\ is high, the outputs are in the high-impedance state.

Data flow for B to A is similar to that of A to B, but uses OEBA\, LEBA, CLKBA, and CLKENBA\.

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.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

The SN74ALVCH16601 is characterized for operation from –40°C to 85°C.

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Technical documentation

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Type Title Date
* Data sheet SN74ALVCH16601 datasheet (Rev. F) Aug. 27, 2004
Application note An Overview of Bus-Hold Circuit and the Applications (Rev. B) Sep. 17, 2018
Selection guide Logic Guide (Rev. AB) Jun. 12, 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) Dec. 02, 2015
User guide LOGIC Pocket Data Book (Rev. B) Jan. 16, 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection Jul. 08, 2004
More literature Logic Cross-Reference (Rev. A) Oct. 07, 2003
Application note TI IBIS File Creation, Validation, and Distribution Processes Aug. 29, 2002
User guide ALVC Advanced Low-Voltage CMOS Including SSTL, HSTL, And ALB (Rev. B) Aug. 01, 2002
More literature Standard Linear & Logic for PCs, Servers & Motherboards Jun. 13, 2002
Application note 16-Bit Widebus Logic Families in 56-Ball, 0.65-mm Pitch Very Thin Fine-Pitch BGA (Rev. B) May 22, 2002
Application note Benefits & Issues of Migrating 5-V and 3.3-V Logic to Lower-Voltage Supplies (Rev. A) Sep. 08, 1999
Application note TI SN74ALVC16835 Component Specification Analysis for PC100 Aug. 03, 1998
Application note Logic Solutions for PC-100 SDRAM Registered DIMMs (Rev. A) May 13, 1998
Application note Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices Dec. 01, 1997
Application note Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A) Aug. 01, 1997
Application note CMOS Power Consumption and CPD Calculation (Rev. B) Jun. 01, 1997
Application note Input and Output Characteristics of Digital Integrated Circuits Oct. 01, 1996
Application note Live Insertion Oct. 01, 1996
Application note Understanding Advanced Bus-Interface Products Design Guide May 01, 1996

Design & development

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CAD/CAE symbols

Package Pins Download
SSOP (DL) 56 View options
TSSOP (DGG) 56 View options

Ordering & quality

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