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D-Typ-Latches

SN74ALVCH16260

AKTIV

12-Bit- bis 24-Bit-Typ D-Latch mit Multiplexer und Tri-State-Ausgängen

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Datenblatt

SN74ALVCH16260

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of channels 12 Technology family ALVC Supply voltage (min) (V) 1.65 Supply voltage (max) (V) 3.6 Input type Standard CMOS Output type 3-State Clock frequency (max) (MHz) 150 IOL (max) (mA) 24 IOH (max) (mA) -24 Supply current (max) (µA) 40 Features Balanced outputs, Bus-hold, Flow-through pinout, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 12 Technology family ALVC Supply voltage (min) (V) 1.65 Supply voltage (max) (V) 3.6 Input type Standard CMOS Output type 3-State Clock frequency (max) (MHz) 150 IOL (max) (mA) 24 IOH (max) (mA) -24 Supply current (max) (µA) 40 Features Balanced outputs, Bus-hold, Flow-through pinout, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Operating temperature range (°C) -40 to 85 Rating Catalog
SSOP (DL) 56 190.647 mm² 18.42 x 10.35 TSSOP (DGG) 56 113.4 mm² 14 x 8.1
  • Member of the Texas Instruments Widebus™ Family
  • 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 Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages

Widebus, EPIC are trademarks of Texas Instruments.
  • Member of the Texas Instruments Widebus™ Family
  • 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 Shrink Small-Outline (DL) and Thin Shrink Small-Outline (DGG) Packages

Widebus, EPIC are trademarks of Texas Instruments.

This 12-bit to 24-bit multiplexed D-type latch is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH16260 is used in applications in which two separate data paths must be multiplexed onto, or demultiplexed from, a single data path. Typical applications include multiplexing and/or demultiplexing address and data information in microprocessor or bus-interface applications. This device also is useful in memory-interleaving applications.

Three 12-bit I/O ports (A1-A12, 1B1-1B12, and 2B1-2B12) are available for address and/or data transfer. The output-enable (OE1B\, OE2B\, and OEA\) inputs control the bus transceiver functions. The OE1B\ and OE2B\ control signals also allow bank control in the A-to-B direction.

Address and/or data information can be stored using the internal storage latches. The latch-enable (LE1B, LE2B, LEA1B, and LEA2B) inputs are used to control data storage. When the latch-enable input is high, the latch is transparent. When the latch-enable input goes low, the data present at the inputs is latched and remains latched until the latch-enable input is returned high.

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 SN74ALVCH16260 is characterized for operation from –40°C to 85°C.

This 12-bit to 24-bit multiplexed D-type latch is designed for 1.65-V to 3.6-V VCC operation.

The SN74ALVCH16260 is used in applications in which two separate data paths must be multiplexed onto, or demultiplexed from, a single data path. Typical applications include multiplexing and/or demultiplexing address and data information in microprocessor or bus-interface applications. This device also is useful in memory-interleaving applications.

Three 12-bit I/O ports (A1-A12, 1B1-1B12, and 2B1-2B12) are available for address and/or data transfer. The output-enable (OE1B\, OE2B\, and OEA\) inputs control the bus transceiver functions. The OE1B\ and OE2B\ control signals also allow bank control in the A-to-B direction.

Address and/or data information can be stored using the internal storage latches. The latch-enable (LE1B, LE2B, LEA1B, and LEA2B) inputs are used to control data storage. When the latch-enable input is high, the latch is transparent. When the latch-enable input goes low, the data present at the inputs is latched and remains latched until the latch-enable input is returned high.

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 SN74ALVCH16260 is characterized for operation from –40°C to 85°C.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet SN74ALVCH16260 datasheet (Rev. G) 02 Sep 2004
Application note Power-Up Behavior of Clocked Devices (Rev. B) PDF | HTML 15 Dez 2022
Application note An Overview of Bus-Hold Circuit and the Applications (Rev. B) 17 Sep 2018
Selection guide Logic Guide (Rev. AB) 12 Jun 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 Dez 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 Jan 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 Jul 2004
Application note TI IBIS File Creation, Validation, and Distribution Processes 29 Aug 2002
User guide ALVC Advanced Low-Voltage CMOS Including SSTL, HSTL, And ALB (Rev. B) 01 Aug 2002
More literature Standard Linear & Logic for PCs, Servers & Motherboards 13 Jun 2002
Application note 16-Bit Widebus Logic Families in 56-Ball, 0.65-mm Pitch Very Thin Fine-Pitch BGA (Rev. B) 22 Mai 2002
Application note Benefits & Issues of Migrating 5-V and 3.3-V Logic to Lower-Voltage Supplies (Rev. A) 08 Sep 1999
Application note TI SN74ALVC16835 Component Specification Analysis for PC100 03 Aug 1998
Application note Logic Solutions for PC-100 SDRAM Registered DIMMs (Rev. A) 13 Mai 1998
Application note Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices 01 Dez 1997
Application note Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A) 01 Aug 1997
Application note CMOS Power Consumption and CPD Calculation (Rev. B) 01 Jun 1997
Application note Input and Output Characteristics of Digital Integrated Circuits 01 Okt 1996
Application note Live Insertion 01 Okt 1996
Application note Understanding Advanced Bus-Interface Products Design Guide 01 Mai 1996

Design und Entwicklung

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Simulationsmodell

SN74ALVCH16260 IBIS Model (Rev. A)

SCEM161A.ZIP (106 KB) - IBIS Model
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SSOP (DL) 56 Ultra Librarian
TSSOP (DGG) 56 Ultra Librarian
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