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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SN74AVCA406EZXYR Fiches technique(PDF) 3 Page - Texas Instruments |
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SN74AVCA406EZXYR Fiches technique(HTML) 3 Page - Texas Instruments |
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3 / 20 page  www.ti.com SN74AVCA406E MMC AND SD CARD VOLTAGE-TRANSLATION TRANSCEIVER SCES659C – OCTOBER 2007 – REVISED MARCH 2008 PIN DESCRIPTION ZQS ZXY NAME FUNCTION TYPE BALL NO. BALL NO. A1 B4 DAT2A Data bit 3 connected to host. Referenced to VCCA. I/O A2 B5 CMD-dir Direction control for command bit (CMDA/CMDB) Input A3 C5 DAT0-dir Direction control for DAT0A/DAT0B Input A4, C2 – RSV Reserved (for possible future functionality). Leave unconnected. A5 C5 DAT2B Data bit 3 connected to memory card. Includes a 70-k Ω pullup resistor to VCCB. I/O B1 A4 DAT3A Data bit 4 connected to host. Referenced to VCCA. I/O B2 – – Depopulated ball B3 A5 VCCA A-port supply voltage. VCCA powers all A-port I/Os and control inputs. Power B4 D5 VCCB B-port supply voltage. VCCB powers all B-port I/Os. Power B5 D4 DAT3B Data bit 4 connected to memory card. Includes a 470-k Ω pulldown resistor to VCCB. I/O C1 A3 CLKA Clock signal connected to host. Referenced to VCCA. Input C3 B3 GND Ground C4 C3 GND Ground C5 D3 CLKB Clock signal connected to memory card. Referenced to VCCB. Output D1 B2 DAT0A Data bit 1 connected to host. Referenced to VCCA. I/O D2 B1 CMDA Command bit connected to host. Referenced to VCCA. I/O Connected to card detect on the mechanical connector. D3 – CD Output CD has an internal 100-k Ω pullup resistor to VCCA. D4 C2 CMDB Command bit connected to memory card. Includes a 15-k Ω pullup resistor to VCCB. I/O D5 D2 DAT0B Data bit 1 connected to memory card. Includes a 70-k Ω pullup resistor to VCCB. I/O E1 A2 DAT1A Data bit 2 connected to host. Referenced to VCCA. I/O Clock feedback to host for resynchronizing data. Used in OMAP processors. Leave E2 A1 CLK-f Output unconnected if not used. E3 C1 DAT123-dir Direction control for DAT1A/B, DAT2A/B, and DAT3A/B Input Connected to write protect on the mechanical connector. E4 – WP Output WP has an internal 100-k Ω pullup resistor to VCCA E5 D1 DAT1B Data bit 2 connected to memory card. Includes a 70-k Ω pullup resistor to VCCB. I/O Copyright © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): SN74AVCA406E |
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Description similaire - SN74AVCA406EZXYR |
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