ST6G3244ME Level translator for SD, SDIO, mini SD, and micro SD Cards with internal I/O supply and 15 kV ESD protection Features Supports 60 MHz clock rate Supports DDR mode for SD Card Compliant with SD Specification Part 1 Physical Layer Specification 3.00 (SDR12, SDR25, DDR50) SD Specification Part 1 Physical Layer Specification 2.00 Flip Chip 25 Bi-directional with direction control pin Balanced propagation delays: t t PLH PHL LDO power-down support. When the LDO is Operating temperature range 40 C to +85 C powered down, V is pulled to GND via CCB the 130 resistor. When V = 0 V, there is Space-saving Flip Chip 25 package CCB no additional leakage seen on V . (2 x 2 x 0.605 mm, 0.4 mm bump pitch) CCA EMI filtering and signal conditioning RoHS compliant, lead-free soldering capable Supports both 1.8 V and 2.9 V data translation on card side Applications Integrated LDO to supply 1.8 V or 2.9 V power Mobile phones, smartphones for B-side I/Os (pin-selectable) can be used PDAs also externally Cameras Integrated pull-up and pull-down resistors on B-side SD Card readers Operating voltage range Any device with SD memory card V = 1.62 V to 1.98 V CCA Table 1. Device summary V = 3.0 V to 5.0 V BAT Latch-up performance exceeds 100 mA Package Order code Package Packing topmark (JEDEC Standard 78) ESD protection for card side (B-port, CD and Flip Chip 25 Tape WP pins) 2 x 2 x and reel VKH, ST6G3244MEBJR 0.605 mm, (5000 8 kV contact discharge (IEC61000-4-2) VKV 0.4 mm parts per 15 kV air-gap discharge (IEC61000-4-2) bump pitch reel) ESD protection for host side (A-side) 2 kV HBM (JEDEC 22-A114) 200 V MM (JEDEC 22-A115) November 2011 Doc ID 022157 Rev 2 1/27 www.st.com 1Contents ST6G3244ME Contents 1 Description . 5 2 Functional description . 6 3 Maximum ratings . 10 4 DC and AC parameters 11 5 Passive integration and low-pass EMI filter . 12 6 Data transmission 14 6.1 Test circuit from host to SD Card . 16 6.2 Test circuit from SD Card to host . 16 6.3 Measurement of t (SD Card to host) from rising edge CLK.h . 17 SKEW 6.4 Measurement of t (read mode) from rising edge CLK.h . 18 SKEW.f 7 Low drop-out voltage regulator . 19 8 SD Card specification compliance 21 9 Package mechanical data 22 10 Tape and reel information 25 11 Revision history . 26 2/27 Doc ID 022157 Rev 2