SC50462.pdf

? SC50462 ? ? ?1.02000.12.31? ? ? 1 ? SC50462? ?CMOS?64 !“#? ?$76%? Vcc=3V?ABC3W?D? BC0.6mW ?EFGH ?IJ76%?:_?d(OUT )IOHVOH=2V5mA =?:_?d(OUT )IOLVOL=1V-3mA ;?:_?d(CNTR )IOHVOH=2V1mA =?:_?d(CNTR )IOLVOL=1V-3mA Beijing DLHT Electronic Co., Ltd. TEL? SC50462 ? ? ?1.02000.12.31? ? ? 3 ? ? ? ?/? 1,24Vss,Vcc?hi?Vcc=3.0V?Vss=0V? 2,3OSCI,OSCOI/O jkQ_lm?no)mpq4557480KHz ?rj? 4CNTRO st?:? C0C1C2C3C4C5C7D0D1D2D3D4D5D6D7C6 7th17th ? OUT CNTR ? 44ms46.4ms? jk=480kHz7455kHz Beijing DLHT Electronic Co., Ltd. TEL? SC50462 ? ? ?1.02000.12.31? ? ? 4 2? ?q?480kHz7455kHz?rjQv) ?”?jkQ? ?$?40kHzv37.9kHz?UVKL(?N#OD?jk:?j? ?a?=!? OSCIOSCO 480kHz/ 455kHz 200pF200pF SC50462 23 3? nN#hI1I8vN#|_hS1S8”?8x8?e?64 N #?(nSW25SW28p? #SW11SW13p? #?N? “?(?3MN#?#?_? ?(?u?N#?(?3MN#OD? S1 S2 S3 S4 S5 S6 S7 S8 I8I7I6I5I4I3I2I1 SW11 SW12 SW13 SW25 SW26 SW27 SW28 SW25SW11? SW25SW12? SW25SW13? SW26SW11? SW26SW12? SW26SW13? SW27SW11? SW27SW12? SW27SW13? SW28SW11? SW28SW12? SW28SW13? ? SC50462 ?3MN#! “?( “” ?#? “KL?OD? ?N? SW11/12/13 ? ?#?N? SW25/26/27/28 ? #?3M#OD ? Beijing DLHT Electronic Co., Ltd. TEL? SC50462 ? ? ?1.02000.12.31? ? ? 5 4? ? 16 ,? 8 ,?C0C7? 8 ,?#?(D0D7)? ? C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 ? ?”? ?#N?#?,? D6 v D7 ?0?0? 1?KL(? 3MN#OD?#? 2? ? ? D0D1D2 ? S10000 S21001 S30102 S41103 S50014 S61015 S70116 S81117 ? ? D3D4D5 ? I10000 I21001 I30102 I41103 I50014 I61015 I70116 I81117 Beijing DLHT Electronic Co., Ltd. TEL? SC50462 ? ? ?1.02000.12.31? ? ? 6 ? 1 ?#OD?#? ? ? D0 D1 D2 D3 D4 D5 D6 D7 D0D2 D3D5 D6D7 S5/I2 (SW25)00110010411 S6/I2 (SW26)10110010511 S7/I2 (SW27)01110010611 S1/I1 (SW11) S8/I2 (SW28)11110010711 S5/I2 (SW25)00110001412 S6/I2 (SW26)10110001512 S7/I2 (SW27)01110001612 S2/I1 (SW12) S8/I2 (SW28)11110001712 S5/I2 (SW25)00110011413 S6/I2 (SW26)10110011513 S7/I2 (SW27)01110011613 S3/I1 (SW13) S8/I2 (SW28)11110011713 ? 2?3MN#OD?#? 5? SC50462?(8,?C0C7?,C4vC5?4C v5C hin?K L?4C v5C ?lmst?4C v5C hif?;?:? ?C4vC5?0?0?4Cv5Chi?=?:?C4vC5hi? 1?1?,C0C3?C6?C7?X?1?1?1?0v1?0? ?,?/? 0.25/0.26ms 1.00/1.05ms 2.00/2.10ms Bit “0“ Bit “1“ ?jk=480kHz7455kHz Beijing DLHT Electronic Co., Ltd. TEL? SC50462 ? ? ?1.02000.12.31? ? ? 7 6? ?(N#?_lmOUT ?_?5?N#? KEY ON OUT 1st Frame 2nd Frame n-th Frame 44ms/46.4ms ?jk=480kHz7455kHz 7? ?/?,?10 ? 10? 1? ? a3a 1/3? a= 8.3s/8.76s ?jk=480kHz7455kHz Beijing DLHT Electronic Co., Ltd. TEL? SC50462 ? ? ?1.02000.12.31? ? ? 8 ? 15 16 14 1213 2 1 3 5 4 6 7 8 9 10 11 19 20 18 17 23 24 22 21 Vss OSCI OSCO CNTR S1 S2 S3 S4 S5 S6 S7 S8I1 I2 I3 I4 I5 I6 I7 I8 C4 C5 OUT Vcc SC50462 47F 150 1 ? ? S8550 +3V 200pF 200pF 480kHz/ 455kHz 150 LED Vcc ? SC50462 ? ? ?1.02000.12.31? ? ? 9