CD54HC154系列介绍资料

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CD54HC154

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高速 CMOS 逻辑 4 线至 16 线解码器/多路信号分离器

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说明
特性
参数
封装 | 引脚 | 尺寸

The ’HC154 and ’HCT154 are 4-to-16 line decoders/demultiplexers with two enable inputs, E1 and E2. A High on either enable input forces the output into the High state. The demultiplexing function is performed by using the four input lines, A0 to A3, to select the output lines Y0 to Y15, and using one enable as the data input while holding the other enable low.

Two Enable Inputs to Facilitate Demultiplexing and Cascading Functions
Fanout (Over Temperature Range)
- Standard Outputs . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . 15 LSTTL Loads
Wide Operating Temperature Range . . . –55°C to 125°C
Balanced Propagation Delay and Transition Times
Significant Power Reduction Compared to LSTTL Logic ICs
HC Types
- 2V to 6V Operation
- High Noise Immunity: N_IL= 30%, N_IH = 30% of V_CC at V_CC = 5V
HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility, V_IL = 0.8V (Max), V_IH = 2V (Min)
- CMOS Input Compatibility, I_l 1µA at V_OL, V_OH