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ST6G3240TBR датащи(PDF) 3 Page - STMicroelectronics |
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ST6G3240TBR датащи(HTML) 3 Page - STMicroelectronics |
3 / 29 page ST6G3240 ST6G3240 general description 3/29 1 ST6G3240 general description The ST6G3240 is a dual supply low voltage CMOS level translator supporting the dual function of mini SD/micro SD card and managed NAND memories. It is designed for use as an interface between three systems using 3.3, 2.5 and 1.8 V respectively. The ST6G3240 is capable of achieving high speed operation and at the same time maintaining low power dissipation. While the A port is designed to track VCCA, the Bn port (nCMD, nDAT, nCLK) is designed to track VCCBn. The device is intended for a two-way asynchronous communication between data buses. The direction of data transmission is determined by CMD-dir/DATA0-dir/DAT123-dir inputs. In the typical application the Bn-port interfaces with the 3 V bus and the A-port with the 1.8V bus. With interchangeable voltage levels, there is no restriction on the voltage settings for each supply. VCCA can be less than or greater than VCCB1 or VCCB2. For example, VCCA = 2.5 V, VCCB1 = 3.6 V, VCCB2 = 1.8 V. Full low power mode This device can be entered into 'full lower power mode' by setting all the INn pins to low or high, which will disable the device completely. Partial low power mode Alternatively, the device can be set into 'partial low power mode' by grounding or floating one of the VCCBn power supplies. This will set all the corresponding output Port-n to High-Z. However, it is important to note that VCCA power supply must not be grounded or floating whenever VCCBn is connected to a power supply as this will lead to significant current consumption increase. |
Аналогичный номер детали - ST6G3240TBR |
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Аналогичное описание - ST6G3240TBR |
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