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CY74FCT2257T 鏄竴娆剧敱 Cypress 鍏徃鐢熺敘(ch菐n)鐨勯珮鎬ц兘銆佷綆鍔熻€� CMOS 寰�(f霉)闆滃彲绶ㄧ▼閭忚集鍣ㄤ欢锛圕PLD锛夈€傝┎鑺墖鍏锋湁楂橀泦鎴愬害鍜岄潏娲绘€�锛岄仼鐢ㄤ簬澶氱ó鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)鍫存櫙銆傚畠鏀寔澶氶仈(d谩) 160 鍊嬪畯鍠厓锛屽苟闆嗘垚浜嗚睈瀵岀殑杓稿叆/杓稿嚭璩囨簮鍜屽収(n猫i)閮ㄤ簰鑱�(li谩n)绲�(ji茅)妲�(g貌u)锛屽彲浠ュ(sh铆)鐝�(xi脿n)寰�(f霉)闆滅殑绲勫悎鑸囬爢搴忛倧杓姛鑳姐€�
銆€銆€瑭插櫒浠堕噰鐢ㄥ厛閫�(j矛n)鐨� CMOS 宸ヨ棟鍒堕€�锛屽叿鍌欏嚭鑹茬殑鎬ц兘鍜岃純浣庣殑闈滄厠(t脿i)鍔熻€楋紝闈炲父閬╁悎渚挎敎寮忚ō(sh猫)鍌欏拰灏嶅姛鑰楁晱鎰熺殑鎳�(y墨ng)鐢ㄥ牬鍚�銆傛澶栵紝CY74FCT2257T 鏀寔 JTAG 閭婄晫鎺冩弿娓│锛屾柟渚跨敤鎴堕€�(j矛n)琛岃(di脿o)瑭﹀拰鐢熺敘(ch菐n)椹�(y脿n)璀夈€�

鍙冩暩(sh霉)

灏佽锛歍QFP-144
銆€銆€宸ヤ綔闆诲(Vcc)锛�3.3V
銆€銆€闈滄厠(t脿i)闆绘祦锛�2mA锛堝吀鍨嬪€硷級
銆€銆€鏈€澶у伐浣滈牷鐜囷細200MHz
銆€銆€瀹忓柈鍏冩暩(sh霉)閲忥細160
銆€銆€I/O 鏁�(sh霉)閲忥細108
銆€銆€閰嶇疆妯″紡锛氫覆琛� SPI
銆€銆€婧害鑼冨湇锛氬伐妤�(y猫)绱� -40掳C 鑷� +85掳C

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CY74FCT2257T 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 楂橀仈(d谩) 160 鍊嬪畯鍠厓锛岃兘澶�?q奴)宕縁(xi脿n)寰�(f霉)闆滅殑閭忚集鍔熻兘銆�
銆€銆€2. 鎻愪緵 108 鍊嬪彲绶ㄧ▼ I/O 寮曡叧锛屽叿鏈変笁鎱�(t脿i)杓稿嚭鍜岄洐鍚戞暩(sh霉)鎿�(j霉)绺界窔鑳藉姏銆�
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銆€銆€5. 鎻愪緵闈堟椿鐨勫叏灞€鎺у埗淇¤櫉锛屽寰�(f霉)浣嶅拰鏅傞悩浣胯兘绛夈€�
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CY74FCT2257T 涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝�锛屽鏁�(sh霉)纰肩浉姗�(j墨)銆佹墦鍗版(j墨)鍜屽叾浠栦究鏀滃紡瑷�(sh猫)鍌欎腑鐨勬帶鍒堕倧杓�銆�
銆€銆€2. 閫氫俊瑷�(sh猫)鍌欎腑鐨勫崝(xi茅)璀拌綁(zhu菐n)鎻涖€佹暩(sh霉)鎿�(j霉)绶╂矕鍙婂悓姝ョ瓑鍔熻兘銆�
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