IC替换查询代换芯片代用型号第186页-114ic电子网

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序号	芯片名称	代换型号
1	74LS247PC	443-711 74LS247DC 74LS247PC 74LS248DC DM74LS247N ECG74LS247 HD74LS247 HD74LS247P HE-443-711 M74LS247P MB74LS247 MB74LS247M NTE74LS247 SK74LS247 SN74LS247 SN74LS247J SN74LS247JD SN74LS247JDS SN74LS247JS SN74LS247N SN74LS247ND SN74LS247NDS SN74LS247NS SW74LS247 TCG74LS247 BLOCK-1637 74LS248PC ECG74LS248 HD74LS248 HD74LS248P M74LS248P MB74LS248 MB74LS248M NTE74LS248 SK74LS248 SN74LS248 SN74LS248J SN74LS248JD SN74LS248JDS SN74LS248JS SN74LS248N SN74LS248ND SN74LS248NDS SN74LS248NS TCG74LS248
2	74LS248DC	443-711 74LS247DC 74LS247PC 74LS248DC DM74LS247N ECG74LS247 HD74LS247 HD74LS247P HE-443-711 M74LS247P MB74LS247 MB74LS247M NTE74LS247 SK74LS247 SN74LS247 SN74LS247J SN74LS247JD SN74LS247JDS SN74LS247JS SN74LS247N SN74LS247ND SN74LS247NDS SN74LS247NS SW74LS247 TCG74LS247 BLOCK-1637 74LS248PC ECG74LS248 HD74LS248 HD74LS248P M74LS248P MB74LS248 MB74LS248M NTE74LS248 SK74LS248 SN74LS248 SN74LS248J SN74LS248JD SN74LS248JDS SN74LS248JS SN74LS248N SN74LS248ND SN74LS248NDS SN74LS248NS TCG74LS248
3	74LS249DC	74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249
4	74LS249PC	74LS249DC 74LS249PC ECG74LS249 HD74LS249 HD74LS249P MB74LS249 MB74LS249M MH746 NTE74LS249 SK74LS249 SN74LS249 SN74LS249J SN74LS249JD SN74LS249JDS SN74LS249JS SN74LS249N SN74LS249ND SN74LS249NDS SN74LS249NS TCG74LS249
5	74LS251DC	74LS251DC 74LS251PC C74LS251P DM74LS251N ECG74LS251 HD74LS251 HD74LS251P HEPC74LS251P M74LS251P MB74LS251 MB74LS251M N74LS251AF N74LS251AN NTE74LS251 SK1919 SN74LS251 SN74LS25U SN74LS251JD SN74LS251JDS SN74LS25US SN74LS251N SN74LS251ND SN74LS251NDS SN74LS251NS SN74LS251X TCG74LS251
6	74LS251PC	74LS251DC 74LS251PC C74LS251P DM74LS251N ECG74LS251 HD74LS251 HD74LS251P HEPC74LS251P M74LS251P MB74LS251 MB74LS251M N74LS251AF N74LS251AN NTE74LS251 SK1919 SN74LS251 SN74LS25U SN74LS251JD SN74LS251JDS SN74LS25US SN74LS251N SN74LS251ND SN74LS251NDS SN74LS251NS SN74LS251X TCG74LS251
7	74LS253DC	74LS253DC 74LS253PC C74LS253P DM74LS253N ECG74LS253 HD74LS253 HD74LS253P HEPC74LS253P M74LS253P MB74LS253 MB74LS253M N74LS253F N74LS253N NTE74LS253 SK74LS253 SN74LS253 SN74LS253J SN74LS253JD SN74LS253JDS SN74LS253JS SN74LS253N SN74LS253ND SN74LS253NDS SN74LS253NS TCG74LS253
8	74LS253PC	74LS253DC 74LS253PC C74LS253P DM74LS253N ECG74LS253 HD74LS253 HD74LS253P HEPC74LS253P M74LS253P MB74LS253 MB74LS253M N74LS253F N74LS253N NTE74LS253 SK74LS253 SN74LS253 SN74LS253J SN74LS253JD SN74LS253JDS SN74LS253JS SN74LS253N SN74LS253ND SN74LS253NDS SN74LS253NS TCG74LS253
9	74LS257	8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257
10	74LS257A	8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257
11	74LS257AN	8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257
12	74LS257APC	8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257
13	74LS257DC	8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257
14	74LS257N	8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257
15	74LS257PC	8210040 443-802 74LS257 74LS257A 74LS257AN 74LS257APC 74LS257DC 74LS257N 74LS257PC 901521-57 9334DC 9334DM C74LS257P DM74LS257BN EAQOO-23600 ECG74LS257 HD74LS257 HD74LS257P HE-443-1037 HE-443-802 HEPC74LS257P M74LS257AP MB74LS257 MB74LS257M N74LS257AF N74LS257AN NTE74LS257 SK74LS257 SN74LS257 SN74LS257AJ SN74LS257AJD SN74LS257AJDS SN74LS257AJS SN74LS257AN SN74LS257AND SN74LS257ANDS SN74LS257ANS SN74LS257BN SN74LS257J SN74LS257N SN74LS257X T74LS257B1 TCG74LS257
16	74LS258	74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258
17	74LS258APC	74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258
18	74LS258DC	74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258
19	74LS258N	74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258
20	74LS258PC	74LS258 74LS258APC 74LS258DC 74LS258N 74LS258PC 901521-58 C74LS258P DM74LS258BN ECG74LS258 HD74LS258 HD74LS258P HEPC74LS258P M74LS258AP MB74LS258 MB74LS258M N74LS258AF N74LS258AN NTE74LS258 SK74LS258 SN74LS258 SN74LS258AJ SN74LS258AJD SN74LS258AJDS SN74LS258AJS SN74LS258AN SN74LS258AND SN74LS258ANDS SN74LS258ANS SN74LS258J SN74LS258N SN74LS258X TCG74LS258
21	74LS259	443-804 74LS259 74LS259DC 74LS259PC 9334PC C74LS259P DM74LS259N ECG74LS259 HD74LS259 HD74LS259P HE-443-804 HEPC74LS259P M74LS259P N74LS259F N74LS259N N9334N NTE74LS259 SK74LS259 SN74LS259 SN74LS259J SN74LS259JD SN74LS259JDS SN74LS259JS SN74LS259N SN74LS259ND SN74LS259NDS SN74LS259NS SN74LS259W TCG74LS259
22	74LS259DC	443-804 74LS259 74LS259DC 74LS259PC 9334PC C74LS259P DM74LS259N ECG74LS259 HD74LS259 HD74LS259P HE-443-804 HEPC74LS259P M74LS259P N74LS259F N74LS259N N9334N NTE74LS259 SK74LS259 SN74LS259 SN74LS259J SN74LS259JD SN74LS259JDS SN74LS259JS SN74LS259N SN74LS259ND SN74LS259NDS SN74LS259NS SN74LS259W TCG74LS259
23	74LS259PC	443-804 74LS259 74LS259DC 74LS259PC 9334PC C74LS259P DM74LS259N ECG74LS259 HD74LS259 HD74LS259P HE-443-804 HEPC74LS259P M74LS259P N74LS259F N74LS259N N9334N NTE74LS259 SK74LS259 SN74LS259 SN74LS259J SN74LS259JD SN74LS259JDS SN74LS259JS SN74LS259N SN74LS259ND SN74LS259NDS SN74LS259NS SN74LS259W TCG74LS259
24	74LS26	23119742 610002-026 74LS26 74LS26DC 74LS26PC 76-005-005 DM74LS26N ECG74LS26 HD74LS26 HD74LS26P MB74LS26 MB74LS26M N74LS26F N74LS26N NTE74LS26 SK74LS26 SN74LS26 SN74LS26J SN74LS26JD SN74LS26JDS SN74LS26JS SN74LS26N SN74LS26ND SN74LS26NS T74LS26B1 T74LS26D1 TCG74LS26
25	74LS260DC	74LS260DC 74LS260PC 802-0260 ECG74LS260 N74LS260F N74LS260N NTE74LS260 SK74LS260 SN74LS260J SN74LS260JD SN74LS260JDS SN74LS260JS SN74LS260N SN74LS260ND SN74LS260NDS SN74LS260NS
26	74LS260PC	74LS260DC 74LS260PC 802-0260 ECG74LS260 N74LS260F N74LS260N NTE74LS260 SK74LS260 SN74LS260J SN74LS260JD SN74LS260JDS SN74LS260JS SN74LS260N SN74LS260ND SN74LS260NDS SN74LS260NS
27	74LS266	197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266
28	74LS266CH	197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266
29	74LS266DC	197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266
30	74LS266J	197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266
31	74LS266PC	197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266
32	74LS266W	197376 443-719 74LS266 74LS266CH 74LS266DC 74LS266J 74LS266PC 74LS266W 802-0266 9386DC 9386DM 9386PC AMX4660 ECG74LS266 HD74LS266 HD74LS266P HE-443-719 M74LS266P MB74LS266 MB74LS266M N74LS266F N74LS266N NTE74LS266 SK74LS266 SN74LS266 SN74LS266J SN74LS266JD SN74LS266JDS SN74LS266JS SN74LS266N SN74LS266ND SN74LS266NDS SN74LS266NS SN74LS266W TCG74LS266
33	74LS26DC	23119742 610002-026 74LS26 74LS26DC 74LS26PC 76-005-005 DM74LS26N ECG74LS26 HD74LS26 HD74LS26P MB74LS26 MB74LS26M N74LS26F N74LS26N NTE74LS26 SK74LS26 SN74LS26 SN74LS26J SN74LS26JD SN74LS26JDS SN74LS26JS SN74LS26N SN74LS26ND SN74LS26NS T74LS26B1 T74LS26D1 TCG74LS26
34	74LS26PC	23119742 610002-026 74LS26 74LS26DC 74LS26PC 76-005-005 DM74LS26N ECG74LS26 HD74LS26 HD74LS26P MB74LS26 MB74LS26M N74LS26F N74LS26N NTE74LS26 SK74LS26 SN74LS26 SN74LS26J SN74LS26JD SN74LS26JDS SN74LS26JS SN74LS26N SN74LS26ND SN74LS26NS T74LS26B1 T74LS26D1 TCG74LS26
35	74LS27	443-800 74LS27 74LS27CH 74LS27DC 74LS27J 74LS27PC 74LS27W 802-0027 901521-22 AMX4658 C74LS27P DM74LS27N ECG74LS27 HD74LS27 HD74LS27P HE-443-800 HEPC74LS27P M74LS27P MB74LS27 MB74LS27M N74LS27F N74LS27N NTE74LS27 SK74LS27 SN74LS27J SN74LS27JD SN74LS27JDS SN74LS27N SN74LS27ND SN74LS27NDS SN74LS27NS SN74LS27W T74LS27B1 T74LS27BI T74LS27D1 TCG74LS27 X420300270
36	74LS273	148684 443-805 74LS273 74LS273DC 74LS273N 74LS273PC AMX4227 ECG74LS273 HD74LS273P HE-443-805 M74LS273P MB74LS273M MX-4295 N74LS273F N74LS273N NTE74LS273 SK74LS273 SN74LS273 SN74LS273J SN74LS273JD SN74LS273JDS SN74LS273JS SN74LS273N SN74LS273ND SN74LS273NDS SN74LS273NS TCG74LS273 X420302730
37	74LS273DC	148684 443-805 74LS273 74LS273DC 74LS273N 74LS273PC AMX4227 ECG74LS273 HD74LS273P HE-443-805 M74LS273P MB74LS273M MX-4295 N74LS273F N74LS273N NTE74LS273 SK74LS273 SN74LS273 SN74LS273J SN74LS273JD SN74LS273JDS SN74LS273JS SN74LS273N SN74LS273ND SN74LS273NDS SN74LS273NS TCG74LS273 X420302730
38	74LS273N	148684 443-805 74LS273 74LS273DC 74LS273N 74LS273PC AMX4227 ECG74LS273 HD74LS273P HE-443-805 M74LS273P MB74LS273M MX-4295 N74LS273F N74LS273N NTE74LS273 SK74LS273 SN74LS273 SN74LS273J SN74LS273JD SN74LS273JDS SN74LS273JS SN74LS273N SN74LS273ND SN74LS273NDS SN74LS273NS TCG74LS273 X420302730
39	74LS273PC	148684 443-805 74LS273 74LS273DC 74LS273N 74LS273PC AMX4227 ECG74LS273 HD74LS273P HE-443-805 M74LS273P MB74LS273M MX-4295 N74LS273F N74LS273N NTE74LS273 SK74LS273 SN74LS273 SN74LS273J SN74LS273JD SN74LS273JDS SN74LS273JS SN74LS273N SN74LS273ND SN74LS273NDS SN74LS273NS TCG74LS273 X420302730
40	74LS279DC	197381 443-854 74LS279DC 74LS279PC C74LS279P DM74LS279N ECG74LS279 HD74LS279 HD74LS279P HE-443-854 HEPC74LS279P M74LS279P N74LS279F N74LS279N NTE74LS279 SK74LS279 SN74LS279 SN74LS279J SN74LS279JD SN74LS279JDS SN74LS279JS SN74LS279N SN74LS279ND SN74LS279NDS SN74LS279NS T74LS279B1 TCG74LS279

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