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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SN74AVCA406GQCR 데이터시트(PDF) 2 Page - Texas Instruments |
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SN74AVCA406GQCR 데이터시트(HTML) 2 Page - Texas Instruments |
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2 / 51 page  SN74AVCA406 MMC, SD CARD, Memory StickE, SmartMedia, AND xDPicture CardE +15kV ESDPROTECTED VOLTAGETRANSLATION TRANSCEIVER SCES615B – OCTOBER 2004 – REVISED DECEMBER 2004 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 terminal assignments 12 34 56 7 A VCCA 2A 4DIR 2DIR MODE1 10B1 VCCB0 B 10A1 3A 1A 1DIR MODE0 9B1 1B C 9A 10A2 3DIR GND 2B 3B D 9DIR 4A 56DIR GND 4B 11B 12B E 78DIR 6A GND CS0 GND 10B2 9B2 F 7A 8A 12A 13A 7B 5B 14B G VCCA 5A 11A CS1 8B 6B VCCB1 VCCA powers all A-port I/Os and control inputs. VCCB0 powers 1B, 2B, 3B, 4B, 9B1, and 10B1. VCCB1 powers 5B, 6B, 7B, 8B, 9B2, 10B2, 11B, 12B, and 14B. device operation The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.4 V to 3.6 V. The B port is designed to track VCCB0 and VCCB1. VCCB0 and VCCB1 can accept any supply voltage from 1.4 V to 3.6 V, however, VCCB0, VCCB1, or both must be greater than or equal to VCCA during normal operation. If VCCB0 and VCCB1 are both at GND, the A port is in the high-impedance state. The control pins are supplied by VCCA. The microprocessor is connected to the A port, and the memory card(s) are connected to the B port. The device can be configured using MODE0, MODE1, CS0, and CS1 pins to interface with 1-bit, 4-bit, or 8-bit memory cards. Outputs 12A and 14B are push-pull and open drain (OD), respectively, except for NAND flash (XD) mode, where they are open drain and push-pull, respectively. Table 1. Interface With Different Memory Cards MODE0 MODE1 MEMORY CARD INTERFACE 0 X SD/SDIO/MMC/Memory Stick/Memory Stick PRO 1 0 8-bit MMC/4-bit + GPIO translation 1 1 SmartMedia/xD-Picture Card GQC PACKAGE (TOP VIEW) G F E D C B A 2 13 4 6 5 7 |
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