Datasheet PI4ULS3V4857 (Diodes) - 3
| Manufacturer | Diodes |
| Description | 6-BIT Bi-Directional Level Shifter for Sd 3.0-SDR104 Compliant Memory Card Application |
| Pages / Page | 11 / 3 — PI4ULS3V4857. Pin Configuration (Top-Side View). Pin Description. Pin # … |
| File Format / Size | PDF / 827 Kb |
| Document Language | English |
PI4ULS3V4857. Pin Configuration (Top-Side View). Pin Description. Pin # Pin Name Type Description. Note:
Model Line for this Datasheet
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PI4ULS3V4857 Pin Configuration (Top-Side View)
1 2 3 4 A B C D E
Pin Description Pin # Pin Name Type Description
A1 DAT2A I/O Data 2 input or output on host side A2 VCCA Pwr Supply voltage from host side A3 VSD Pwr Supply voltage A4 DAT2B I/O Data 2 input or output on memory card side B1 DAT3A I/O Data 3 input or output on host side B2 CD O High voltage output (refer to VCCA) B3 VCCB Pwr Internal supply decoupling (VLDO) B4 DAT3B I/O Data 3 input or output on memory card side C1 CMDA I/O Command input or output on host side C2 GND Pwr Supply ground C3 GND Pwr Supply ground C4 CMDB I/O Command input or output on memory card side D1 DAT0A I/O Data 0 input or output on host side D2 CLKA I Clock signal input on host side D3 CLKB O Clock signal output on memory card side D4 DAT0B I/O Data 0 input or output on memory card side E1 DAT1A I/O Data 1 input or output on host side E2 CLK_FB O Clock feedback output on host side E3 SEL I Card side I/O voltage level select E4 DAT1B I/O Data 1 input or output on memory card side
Note:
1. The pin names relate particularly to SD memory cards, but also apply to microSD and MMC memory cards. 2. I = input, O = output, I/O = input and output, S = power supply PI4ULS3V4857 www.diodes.com August 2020 Document Number DS42310 Rev 2-2 3 Diodes Incorporated
PI4ULS3V4857 Pin Configuration (Top-Side View)
1 2 3 4 A B C D E
Pin Description Pin # Pin Name Type Description
A1 DAT2A I/O Data 2 input or output on host side A2 VCCA Pwr Supply voltage from host side A3 VSD Pwr Supply voltage A4 DAT2B I/O Data 2 input or output on memory card side B1 DAT3A I/O Data 3 input or output on host side B2 CD O High voltage output (refer to VCCA) B3 VCCB Pwr Internal supply decoupling (VLDO) B4 DAT3B I/O Data 3 input or output on memory card side C1 CMDA I/O Command input or output on host side C2 GND Pwr Supply ground C3 GND Pwr Supply ground C4 CMDB I/O Command input or output on memory card side D1 DAT0A I/O Data 0 input or output on host side D2 CLKA I Clock signal input on host side D3 CLKB O Clock signal output on memory card side D4 DAT0B I/O Data 0 input or output on memory card side E1 DAT1A I/O Data 1 input or output on host side E2 CLK_FB O Clock feedback output on host side E3 SEL I Card side I/O voltage level select E4 DAT1B I/O Data 1 input or output on memory card side
Note:
1. The pin names relate particularly to SD memory cards, but also apply to microSD and MMC memory cards. 2. I = input, O = output, I/O = input and output, S = power supply PI4ULS3V4857 www.diodes.com August 2020 Document Number DS42310 Rev 2-2 3 Diodes Incorporated
