t t t s s s 5 5 5 1 1 1 2 2 2 m m m ~ ~ ~ 2 2 2 g g g s s s d d d c c c secure digital card transcend information inc. 1 description secure digital card of high capacity but economic cost. it is specifically des igned to meet the security, capacity and small form factor requirements in newly emerging audio and video consumer electronic devices.transcend secure digital card can lead you to a colorful digital world. placement front back features ? rohs compliant product ? operating voltage: 2.7 ~ 3.6v ? operating temperature: -25 ~ 85c ? insertion/removal durability: 10,000 cycles ? fully compatible with sd card spec. v1.1 ? mechanical write protection switch ? forward compatibility to multimediacard version 2.11 ? supports copy protection for recorded media(cprm) for music and other commercial media ? form factor: 24mm x 32mm x 2.1mm pin definition sd mode spi mode pin no. name type description name type description 1 cd/dat i/o/pp 3 card detect/data line [bit3] cs i chip select (neg true) 2 cmd pp command/response di i data in 3 v ss1 s supply voltage ground vss s supply voltage ground 4 v dd s supply voltage vdd s supply voltage 5 clk i clock sclk i clock 6 v ss2 s supply voltage ground vss2 s supply voltage ground 7 dat0 i/o/pp data line [bit0] do o/pp data out 8 dat1 i/o/pp data line [bit1] rsv 9 dat2 i/o/pp data line [bit2] rsv
t t t s s s 5 5 5 1 1 1 2 2 2 m m m ~ ~ ~ 2 2 2 g g g s s s d d d c c c secure digital card transcend information inc. 2 architecture
t t t s s s 5 5 5 1 1 1 2 2 2 m m m ~ ~ ~ 2 2 2 g g g s s s d d d c c c secure digital card transcend information inc. 3 bus operating conditions ? general parameter symbol min. max. unit remark peak voltage on all lines -0.3 vdd+0.3 v all inputs input leakage current -10 10 a all outputs output leakage current -10 10 a ? power supply voltage parameter symbol min. max. unit remark supply voltage v dd 2.0 3.6 v cmd0, 15,55,acmd41 commands supply voltage specified in ocr register 2.7 3.6 v except cmd0, 15,55, acmd41 commands supply voltage differentials (v ss1 , v ss2 ) -0.3 0.3 v power up time 250 ms from 0v to v dd min. note. the current consumption of any card dur ing the power-up procedure must not exceed 10 ma. ? bus signal line load the total capacitance c l the clk line of the sd memory card bus is the sum of the bus master capacitance c host , the bus capacitance c bus itself and the capacitance c card of each card connected to this line: c l = c host + c bus + *c card where n is the number of connected cards. requiring the su m of the host and bus capacitanc es not to exceed 30 pf for up to 10 cards, and 40 pf for up to 30 cards, the following values must not be exceeded: parameter symbol min. max. unit remark bus signal line capacitance c l 100 pf f pp 20 mhz, 7 cards single card capacitance c card 10 pf maximum signal line inductance 16 nh f pp 20 mhz pull-up resistance inside card (pin1) r dat3 10 90 k may be used for card detection note that the total capacitance of cmd and dat lines will be consist of c host , c bus and one c card only since they are connected separately to t he sd memory card host. parameter symbol min. max. unit remark pull-up resistance r cmd , r dat 10 100 k to prevent bus floating bus signal line capacitance c l 250 pf f pp 5 mhz, 21 cards
t t t s s s 5 5 5 1 1 1 2 2 2 m m m ~ ~ ~ 2 2 2 g g g s s s d d d c c c secure digital card transcend information inc. 4 ? bus signal levels as the bus can be supplied with a variable supply voltage, all signal levels are related to the supply voltage. to meet the requirements of the jedec specification jesd8-1a, the card input and output voltages shall be within the following specified ranges for any v dd of the allowed voltage range: parameter symbol min. max. unit remark output high voltage v oh 0.75* v dd v i oh = -100 a @v dd min output low voltage v ol 0.125* v dd v i ol = -100 a @v dd min input high voltage v ih 0.625* v dd v dd + 0.3 v input low voltage v il v ss ? 0.3 0.25 * v dd v
t t t s s s 5 5 5 1 1 1 2 2 2 m m m ~ ~ ~ 2 2 2 g g g s s s d d d c c c secure digital card transcend information inc. 5 ? bus timing parameter symbol min max. unit remark clock clk (all values are referred to min (v ih ) and max (v il ) clock frequency data transfer mode f pp 0 25 mhz c l 100 pf, (7 cards) clock frequency identification mode (the low freq. is required for multimediacard compatibility.) f od 0 400 khz c l 250 pf, (21 cards) t wl 10 ns c l 100 pf, (7 cards) clock low time 50 ns c l 250 pf, (21 cards) t wh 10 ns c l 100 pf, (7 cards) clock high time 50 ns c l 250 pf, (21 cards) t tlh 10 ns c l 100 pf, (7 cards) clock rise time 50 ns c l 250 pf, (21 cards)
t t t s s s 5 5 5 1 1 1 2 2 2 m m m ~ ~ ~ 2 2 2 g g g s s s d d d c c c secure digital card transcend information inc. 6 t thl 10 ns c l 100 pf, (7 cards) clock fall time 50 ns c l 250 pf, (21 cards) inputs cmd, dat (referenced to clk) input set-up time t isu 5 ns c l 25 pf, (1 cards) input hold time t ih 5 ns c l 25 pf, (1 cards) outputs cmd, dat (referenced to clk) output delay time t odly 0 14 ns c l 25 pf, (1 cards)
t t t s s s 5 5 5 1 1 1 2 2 2 m m m ~ ~ ~ 2 2 2 g g g s s s d d d c c c secure digital card transcend information inc. 7 reliability and durability temperature operation: -25c / 85c storage: -40c (168h) / 85c (500h) junction temperature: max. 95c moisture and corrosion operation: 25c / 95% rel. humidity storage: 40c / 93% rel. hum./500h salt water spray: 3% nacl/35c; 24h acc. mil std method 1009 durability 10.000 mating cycles; test procedure: tbd. bending 10n torque 0.15n.m or +/-2.5 deg drop test 1.5m free fall uv light exposure uv: 254nm, 15ws/cm2 according to iso 7816-1 visual inspection shape and form no warp page; no mold skin; complete form; no cavities surface smoothness <= -0.1 mm/cm2 within contour; no cracks; no pollution (fat, oil dust, etc.) minimum moving force of wp witch 40gf (ens ures that the wp switch will not slide while it is inserted to the connector.) wp switch cycles minimum 1000 cy cles(@slide force 0.4n to 5n) above technical information is based on industry standard dat a and tested to be reliable. however, transcend makes no warranty, either expressed or implied, as to its accuracy and assumes no liability in connection with the use of this product. transcend reserves the right to make changes in s pecifications at any time without prior notice.
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