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SN74AVCA406

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Transceptor de traducción de tensión para tarjetas MMC, SD, Memory Stick, Smart Media y XD-Picture

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SN74AVCA406

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Detalles del producto

Technology family AVC Applications MMC, SD Card Rating Catalog Operating temperature range (°C) -40 to 85
Technology family AVC Applications MMC, SD Card Rating Catalog Operating temperature range (°C) -40 to 85
TSSOP (DGG) 48 101.25 mm² 12.5 x 8.1
  • Transceiver for Memory Card Interface [MultiMediaCard (MMC), Secure Digital (SD), Memory Stick™ Compliant Products, SmartMedia Card, and xD-Picture Card™]
  • Configurable I/O Switching Levels With Dual-Supply Pins Operating Over Full 1.4-V to 3.6-V Power-Supply Range
  • For Low-Power Operation, A Ports Are Placed in High-Impedance State When Card-Side Supply Voltage Is Switched Off
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection for Card-Side Pins (B Port)
    • ±15 kV (±12 kV on Pin 14B) - IEC 61000-4-2 ESD, Air-Gap Discharge
    • ±8 kV - IEC 61000-4-2 ESD, Contact Discharge
  • ESD Protection for A-Port Pins (Tested Per JESD 22) Exceeds
    • 2000-V Human-Body Model (A114-B
    • 1000-V Charged-Device Model (C101)

All trademarks are the property of their respective owners.
  • Transceiver for Memory Card Interface [MultiMediaCard (MMC), Secure Digital (SD), Memory Stick™ Compliant Products, SmartMedia Card, and xD-Picture Card™]
  • Configurable I/O Switching Levels With Dual-Supply Pins Operating Over Full 1.4-V to 3.6-V Power-Supply Range
  • For Low-Power Operation, A Ports Are Placed in High-Impedance State When Card-Side Supply Voltage Is Switched Off
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection for Card-Side Pins (B Port)
    • ±15 kV (±12 kV on Pin 14B) - IEC 61000-4-2 ESD, Air-Gap Discharge
    • ±8 kV - IEC 61000-4-2 ESD, Contact Discharge
  • ESD Protection for A-Port Pins (Tested Per JESD 22) Exceeds
    • 2000-V Human-Body Model (A114-B
    • 1000-V Charged-Device Model (C101)

All trademarks are the property of their respective owners.

The SN74AVCA406 is a transceiver for interfacing microprocessors with MultiMediaCards (MMCs), secure digital (SD) cards, Memory Stick™ compliant products, SmartMedia cards, or xD-Picture Cards™. It integrates high ESD protection, which eliminates the need for external ESD diodes. Two supply-voltage pins allow the A-port and B-port input switching thresholds to be configured separately. The A port is designed to track VCCA, while the B port is designed to track VCCB0 and VCCB1. VCCA ,VCCB0 and VCCB1 can accept any supply voltage from 1.4 V to 3.6 V.

Memory card standards recommend high ESD protection for devices that connect directly to the external memory card. To meet this need, the SN74AVCA406 incorporates ±15-kV air-gap discharge and ±8-kV contact discharge protection on the card side. If VCCB0 and VCCB1 are switched off (no card inserted), the A-port outputs are placed in the high-impedance state to conserve power.

The SN74AVCA406 enables system designers to easily interface low-voltage microprocessors to different memory cards operating at higher voltages. The mode (MODE0 and MODE1) pins are used to configure the device to interface with different types of cards.

The SN74AVCA406 is offered in the 48-ball MicroStar Jr.™ ball grid array (BGA) package. This package has dimensions of 4 × 4 mm, with a 0.5-mm ball pitch for effective board-space savings. Memory cards are widely used in mobile phones, PDAs, digital cameras, personal media players, camcorders, set-top boxes, etc. Low static power consumption and small package size make the SN74AVCA406 an ideal choice for these applications.

The SN74AVCA406 is a transceiver for interfacing microprocessors with MultiMediaCards (MMCs), secure digital (SD) cards, Memory Stick™ compliant products, SmartMedia cards, or xD-Picture Cards™. It integrates high ESD protection, which eliminates the need for external ESD diodes. Two supply-voltage pins allow the A-port and B-port input switching thresholds to be configured separately. The A port is designed to track VCCA, while the B port is designed to track VCCB0 and VCCB1. VCCA ,VCCB0 and VCCB1 can accept any supply voltage from 1.4 V to 3.6 V.

Memory card standards recommend high ESD protection for devices that connect directly to the external memory card. To meet this need, the SN74AVCA406 incorporates ±15-kV air-gap discharge and ±8-kV contact discharge protection on the card side. If VCCB0 and VCCB1 are switched off (no card inserted), the A-port outputs are placed in the high-impedance state to conserve power.

The SN74AVCA406 enables system designers to easily interface low-voltage microprocessors to different memory cards operating at higher voltages. The mode (MODE0 and MODE1) pins are used to configure the device to interface with different types of cards.

The SN74AVCA406 is offered in the 48-ball MicroStar Jr.™ ball grid array (BGA) package. This package has dimensions of 4 × 4 mm, with a 0.5-mm ball pitch for effective board-space savings. Memory cards are widely used in mobile phones, PDAs, digital cameras, personal media players, camcorders, set-top boxes, etc. Low static power consumption and small package size make the SN74AVCA406 an ideal choice for these applications.
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Documentación técnica

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* Data sheet +/-15 kV ESD-Protected Voltage-Translation Transceiver datasheet (Rev. H) 26 ene 2007
Application note Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 12 jul 2024
Application note Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 03 jul 2024
Selection guide Voltage Translation Buying Guide (Rev. A) 15 abr 2021
Application note Translate Voltages for SDIO PDF | HTML 20 oct 2020
Selection guide Logic Guide (Rev. AB) 12 jun 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 02 dic 2015
Application note Voltage Translation Between 3.3-V, 2.5-V, 1.8-V, and 1.5-V Logic Standards (Rev. B) 30 abr 2015
User guide LOGIC Pocket Data Book (Rev. B) 16 ene 2007
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 08 jul 2004
Application note Selecting the Right Level Translation Solution (Rev. A) 22 jun 2004
More literature LCD Module Interface Application Clip 09 may 2003
User guide AVC Advanced Very-Low-Voltage CMOS Logic Data Book, March 2000 (Rev. C) 20 ago 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 may 2002
Application note Dynamic Output Control (DOC) Circuitry Technology And Applications (Rev. B) 07 jul 1999
Application note AVC Logic Family Technology and Applications (Rev. A) 26 ago 1998

Diseño y desarrollo

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Modelo de simulación

SN74AVCA406 IBIS Model

SCEM470.ZIP (142 KB) - IBIS Model
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TSSOP (DGG) 48 Ultra Librarian
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