逻辑器件是数字电路的“基本积木”，负责执行布尔逻辑运算、时序控制和信号调理。与模拟芯片处理连续信号不同，逻辑器件处理的是离散的“0”和“1”，是构建计算机、通信设备、工业控制系统及消费电子的基础元件。
深圳市鼎芯电子集成电路有限公司深耕逻辑器件领域，以74系列和4000系列为核心产品线，覆盖门电路、触发器、移位寄存器、达林顿阵列等全品类，以引脚级兼容、宽电压适配和高可靠性，服务于工业控制、汽车电子、消费电子及通信设备等多元场景。
鼎芯电子的逻辑器件针对国产替代核心需求进行了专项优化：
引脚级完全兼容：74HC系列与行业通用型号（如SN74HC74、SN74HC595等）引脚定义完全一致，工程师无需修改PCB设计即可直接替换，显著降低国产化切换成本。
宽电压适配：2V-6V工作范围覆盖从电池供电设备（2V低压）到传统5V系统的全场景需求，与TTL/CMOS电平直接兼容。

工业级可靠性：工作温度覆盖-40℃至85℃，经过严苛可靠性测试，满足工业现场和车载环境的稳定性要求。

74系列

型号	封装	替代	PDF
74LVC1G14	SOT-23-5 SC70-5	74LVC1G14
74LVC1G08	SOT-23-5 SC70-5	74LVC1G08
74LVC1G04	SOT-23-5 SC70-5	74LVC1G04
74LVC00	DIP-14 SOP-14 TSSOP-14	74LVC00
74HCT14	DIP-14 SOP-14 TSSOP-14	74HCT14
74HC86	DIP-14 SOP-14 TSSOP-14	74HC86
74HC74	DIP-14 SOP-14 TSSOP-14	74HC74
74HC595	DIP-16 SOP-16 TSSOP-16	74HC595
74HC574	DIP-20 SOP-20 TSSOP-20	74HC574
74HC573	DIP-20 SOP-20 TSSOP-20	74HC573
74HC541	DIP-20 SOP-20 TSSOP-20	74HC541
74HC540	DIP-20 SOP-20 TSSOP-20	74HC540
74HC534	DIP-20 SOP-20 TSSOP-20	74HC534
74HC533	DIP-20 SOP-20 TSSOP-20	74HC533
74HC4053	DIP-16 SOP-16 TSSOP-16	74HC4053
74HC4052	DIP-16 SOP-16 TSSOP-16	74HC4052
74HC4051	DIP-16 SOP-16 TSSOP-16	74HC4051
74HC374	DIP-20 SOP-20 TSSOP-20	74HC374
74HC373	DIP-20 SOP-20 TSSOP-20	74HC373
74HC32	DIP-14 SOP-14 TSSOP-14	74HC32
74HC273	DIP-20 SOP-20 TSSOP-20	74HC273
74HC259	DIP-16 SOP-16 TSSOP-16	74HC259
74HC245	DIP-20 SOP-20 TSSOP-20	74HC245
74HC244	DIP-20 SOP-20 TSSOP-20	74HC244
74HC240	DIP-16 SOP-16 TSSOP-16	74HC240
74HC238	DIP-16 SOP-16 TSSOP-16	74HC238
74HC20	DIP-14 SOP-14 TSSOP-14	74HC20
74HC193	DIP-16 SOP-16 TSSOP-16	74HC193
74HC192	DIP-16 SOP-16 TSSOP-16	74HC192
74HC165	DIP-16 SOP-16 TSSOP-16	74HC165
74HC164	DIP-14 SOP-14 TSSOP-14	74HC164
74HC161	DIP-16 SOP-16 TSSOP-16	74HC161
74HC160	DIP-16 SOP-16 TSSOP-16	74HC160
74HC153	DIP-16 SOP-16 TSSOP-16	74HC153
74HC151	DIP-16 SOP-16 TSSOP-16	74HC151
74HC14	DIP-14 SOP-14 TSSOP-14	74HC14
74HC139	DIP-16 SOP-16 TSSOP-16	74HC139
74HC138	DIP-16 SOP-16 TSSOP-16	74HC138
74HC132	DIP-14 SOP-14 TSSOP-14	74HC132
74HC126	DIP-14 SOP-14 TSSOP-14	74HC126
74HC123	DIP-16 SOP-16 TSSOP-16	74HC123
74HC11	DIP-14 SOP-14 TSSOP-14	74HC11
74HC10	DIP-14 SOP-14 TSSOP-14	74HC10
74HC08	DIP-14 SOP-14 TSSOP-14	74HC08
74HC07	DIP-14 SOP-14 TSSOP-14	74HC07
74HC04	DIP-14 SOP-14 TSSOP-14	74HC04
74HC02	DIP-14 SOP-14 TSSOP-14	74HC02
74HC00	DIP-14 SOP-14 TSSOP-14	74HC00

4000系列

型号	封装	替代	PDF
CD4543	DIP-16 SOP-16 TSSOP-16	CD4543 HEF4543 HCF4543
CD4541	DIP-14 SOP-14 TSSOP-14	CD4541 HEF4541 HCF454
CD4538	DIP-16 SOP-16 TSSOP-16	CD4538 CD14538
CD4528B	DIP-16 SOP-16 TSSOP-16	CD4528 HEF4528 HCF4528
CD4518B	DIP-16 SOP-16 TSSOP-16	CD4518 HEF4518 HCF4518
CD4511	DIP-16 SOP-16 TSSOP-16	CD4511 HEF4511 HCF4511 MC14511
CD4094	DIP-16 SOP-16 TSSOP-16	CD4094 HEF4094 HCF4094
CD4093	DIP-14 SOP-14 TSSOP-14	CD4093 HEF4093 HCF4093
CD4082	DIP-14 SOP-14 TSSOP-14	CD4082 HEF4082 HCF4082
CD4081	DIP-14 SOP-14 TSSOP-14	CD4081 HEF4081 HCF4081
CD4077	DIP-14 SOP-14 TSSOP-14	CD4077 HEF4077 HCF4077
CD4051	DIP-16 SOP-16 TSSOP-16	CD4051BM HEF4051 HCF4051
CD4050	DIP-16 SOP-16 TSSOP-16	CD4050 HEF4050 HCF4050
CD4049	DIP-16 SOP-16 TSSOP-16	CD4049 HEF4049 HCF4049
CD4043	DIP-16 SOP-16 TSSOP-16	CD4043 HCF4043 HEF4043 MC14043
CD4040	DIP-16 SOP-16 TSSOP-16	CD4040 HCF4040 HEF4040 MC14040
CD4027	DIP-16 SOP-16 TSSOP-16	CD4027 HEF4027 HCF4027
CD4025	DIP-14 SOP-14 TSSOP-14	CD4025 HEF4025 HCF4025
CD4021	DIP-16 SOP-16 TSSOP-16	CD4021 HEF4021 HCF4021
CD4020	DIP-16 SOP-16 TSSOP-16	CD4020 HEF4020 HCF4020
CD4017	DIP-16 SOP-16 TSSOP-16	CD4017 HEF4017 HCF4017
CD4013	DIP-14 SOP-14 TSSOP-14	CD4013 HEF4013 HCF4013
CD4012	DIP-14 SOP-14 TSSOP-14	CD4012 HEF4012 HCF4012
CD4011	DIP-14 SOP-14 TSSOP-14	CD4011 HEF4011 HCF4011
CD4073	DIP-14 SOP-14 TSSOP-14	CD4073 HEF4073 HCF4073
CD4072	DIP-14 SOP-14 TSSOP-14	CD4072 HEF4072 HCF4072
CD4071	DIP-14 SOP-14 TSSOP-14	CD4071 HEF4071 HCF4071
CD4070	DIP-14 SOP-14 TSSOP-14	CD4070 HEF4070 HCF4070
CD4069	DIP-14 SOP-14 TSSOP-14	CD4069UBM HEF4069 HCF4069
CD4066	DIP-14 SOP-14 TSSOP-14	CD4066BM96 HEF4066BT HCF4066
CD4060	DIP-16 SOP-16 TSSOP-16	CD4060 HEF4060 HCF4060
CD4053	DIP-16 SOP-16 TSSOP-16	CD4053BM96 HEF4053 HCF4053
CD4052	DIP-16 SOP-16 TSSOP-16	CD4052BM96 HEF4052 HCF4052
CD40106	DIP-14 SOP-14 TSSOP-14	CD40106 HEF40106 HCF40106
CD4001	DIP-14 SOP-14 TSSOP-14	CD4001 HEF4001 HCF4001