銆�銆�SD鍗″湪24mm脳32mm脳2.1mm鐨勯珨绌嶅収(n猫i)绲�(ji茅)鍚堜簡SanDisk蹇�闁冭�樻喍鍗℃帶鍒惰垏MLC锛圡ultilevel Cell锛夋妧琛�(sh霉)鍜孴oshiba锛堟澅鑺濓級0.16u鍙�0.13u鐨凬AND鎶�琛�(sh霉)锛岄�氶亷(gu貌)9閲濈殑鎺ュ彛鐣岄潰鑸囧皥闁�(m茅n)鐨勯﹨(q奴)鍕�(d貌ng)鍣ㄧ浉閫ｆ帴锛屼笉闇�瑕侀�嶅�栫殑闆绘簮渚�(l谩i)淇濇寔鍏朵笂瑷樻喍鐨勪俊鎭�銆傝�屼笖瀹冩槸涓�楂斿寲鍥洪珨浠嬭唱(zh矛)锛屾矑(m茅i)鏈変换浣曠Щ鍕�(d貌ng)閮ㄥ垎锛屾墍浠ヤ笉鐢ㄦ摂(d膩n)蹇冩��(j墨)姊伴亱(y霉n)鍕�(d貌ng)鐨勬悕澹炪�傜従(xi脿n)鍦ㄧ殑SD鍗″�归噺鐢�8MB鍒�4GB涓嶇瓑銆�

銆�銆�绨�(ji菐n)鍠�姣旇純SD鍗¤垏 MMC鍗★細鍦ㄥ�栬��涓婄浉鍚�锛岄兘鏄� 24x32mm锛屼絾鍘氬害 2.1mm 鐨� SD姣� 1.4mm 鐨凪MC 绋嶅帤涓�浜�銆係D 鍗℃敮鎸�?j菒n)?sh霉)鎿�(j霉)鍔犲瘑鍔熻兘锛屽師鏈�鏄�甯屾湜鑳介�炰技DVD 鐨� CSS鍔犲瘑(鍦⊿D涓婄ū鐐� CPRM)銆侀槻姝㈣��闈炴硶寰�(f霉)鍒舵暩(sh霉)鎿�(j霉)浠ヤ繚璀�(h霉)钁椾綔娆�(qu谩n)銆備笉閬�(gu貌)鐢变簬澶ч儴鍒嗙殑 SD鍗￠兘浣跨敤鍦ㄦ暩(sh霉)纰肩浉姗�(j墨)銆佺Щ鍕�(d貌ng)瑁濈疆涓婅畵鐢ㄦ埗鑷�琛屽��(ch菙)瀛樻暩(sh霉)鎿�(j霉)锛屽洜姝ゅ緢灏戠湅鍒癝D 鐨� "Secure" 鍔熻兘鐪熸�ｇ��(f膩)鎻�銆係D鍗″�傚悓浠ュ墠鐨凢loopy 纾佺洡(p谩n)锛屼篃鏈変竴鍊�(g猫)瀵�(xi臎)淇濊��(h霉)闁�(k膩i)闂�(gu膩n)鍙�閬垮厤鏁�(sh霉)鎿�(j霉)琚�瑾ゅ��锛屽湪 MMC鍗′笂鍓囨矑(m茅i)鏈夐�欏��(g猫)闁�(k膩i)闂�(gu膩n)銆�

銆�銆�SD闆栫劧鏄�鍩轰簬MMC闁�(k膩i)鐧�(f膩)鍑轰締(l谩i)鐨�锛屼絾鏄�鍦ㄥ崱鐗囨��(j墨)妲�(g貌u)瑷�(sh猫)瑷�(j矛)鏂归潰锛孲D 鍗￠噰鍙栦簡纾佺洡(p谩n)銆侀寗闊冲付銆侀寗鍍忓付鐨勬�傚��锛屽湪鍗＄墖姝ｉ潰鐨勫乏閭婂姞涓婁簡瀵�(xi臎)淇濊��(h霉)姗�(j墨)妲�(g貌u)锛堥�欓粸(di菐n)锛屾渶鏃╁嚭鐝�(xi脿n)鍦ㄧ储灏肩殑瑷樻喍妫掍笂锛�锛岄洊鐒剁敤鎴堕�氬父涓嶆渻(hu矛)鐢ㄥ埌姝ゅ姛鑳�锛屼絾鍦ㄨō(sh猫)瑷�(j矛)涓奡D 鍗′粛浠ヤ繚璀�(h霉)浣跨敤鑰呯偤鍑虹櫦(f膩)榛�(di菐n)锛屼篃鏄�瀹冪殑鍚嶇ū鐨勭敱渚�(l谩i)銆�

銆�銆�SD鍗℃妧琛�(sh霉)鐧�(f膩)灞曟槸鐢�3C LLC(鏃ユ湰鏉句笅闆诲櫒Matsushita銆佺編鍦�(gu贸)SanDisk銆佹棩鏈�鏉辫姖Toshiba 锛屼簬1999骞�8鏈堟垚绔嬫埌(zh脿n)鐣ュ悎浣滆伅(li谩n)鐩燂紙绨�(ji菐n)绋辩偤3C LLC锛�锛屼緷鎿�(j霉)MultiMediaCard锛圡MC鍗★級鐐哄熀绀�(ch菙)锛岃伅(li谩n)鍚堥枊(k膩i)鐧�(f膩)鐨勬柊涓栦唬鐢�(ch菐n)鍝侊紝钘変互鑸嘙MC鎶楄　锛岀敋鑷虫湁鍙栬�屼唬涔嬬殑鎰忓懗銆傞�欎篃鏄�鐐轰綍浣跨敤SD鍗＄殑鐢�(ch菐n)鍝佷篃鍙�浣跨敤MMC鍗＄悊鐢�銆�

銆�銆�SDA鍗�(xi茅)鏈�(hu矛)鐨勬垚绔嬶細3C LLC鐐轰簡澶у姏鎺ㄥ唬鏂扮敘(ch菐n)鍝�锛屼簬2000骞存垚绔婼ecure Digital Card Assoication (SDA)鍚庯紝鏉句笅闆诲瓙灏遍枊(k膩i)濮嬪ぇ鍔涙帹鍕�(d貌ng)瑭茶��(gu墨)鏍肩殑鏅�鍙�銆傛澗涓嬫湰韬�闆诲瓙鐢�(ch菐n)鍝佺窔鐩哥暥(d膩ng)寤ｏ紝鍐嶅姞涓婃棩鏈�鐐烘秷璨�(f猫i)鎬ч浕瀛愮敘(ch菐n)鍝佺爺鐧�(f膩)鍙婄敓鐢�(ch菐n)涓�蹇�锛屽緢蹇�灏卞皣SD瑕�(gu墨)鏍煎付鍏ヤ匠澧�锛岃�岀埈(zh膿ng)鐩告姇鍏�SD鍗＄殑琛屽垪锛涗竴浜涘師鏈�鍦⊿ony Memory Stick锛堣�樻喍妫掞級闄ｇ��(y铆ng)鎴栦娇鐢–ompact Flash鍗� 銆丼mart Media鍗＄殑寤犲晢鐐轰繚鎸佺��(j矛ng)鐖�(zh膿ng)鍔�锛屼篃绱涚礇鍔犲叆SDA锛屼娇SD 瑕�(gu墨)鏍煎湪寰堢煭鐨勬檪(sh铆)闁撳収(n猫i)鍗犳摎(j霉)瑷樻喍鍗＄浉鐣�(d膩ng)澶х殑甯傚牬(ch菐ng)銆傛埅姝�2005鐐烘��锛屽湪瀛樺劜(ch菙)鍗″競鍫�(ch菐ng)涓�锛孲D鍙�浠ヨ��(shu艒)鏄�鐛�(d煤)鍗犻安闋�銆�