Part A
SN74HC138DR
德州儀器
- Lifecycle
- Active
- Stock
- 3297 件
- Package
- SOIC-16
- Series
- 邏輯-訊號開關、多工器、解碼器
Parts at a glance
Part B
SN74HC74DR
德州儀器
- Lifecycle
- Active
- Stock
- 1860 件
- Package
- SOIC-14
- Series
- 邏輯-觸發器
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | SN74HC138DR | SN74HC74DR |
|---|---|---|
| Series | 74HC | 74HC |
| Part Status | Active | Active |
| Type | Decoder/Demultiplexer | D-Type |
| Circuit | 1 x 3:8 | - |
| Independent Circuits | 1 | - |
| Current - Output High Low | 5.2mA, 5.2mA | 5.2mA, 5.2mA |
| Voltage Supply Source | Single Supply | - |
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Function | - | Set(Preset) and Reset |
| Output Type | - | Complementary |
| Number of Elements | - | 2 |
| Number of Bits per Element | - | 1 |
| Clock Frequency | - | 60 MHz |
| Max Propagation Delay @ V Max CL | - | 15ns @ 6V, 50pF |
| Trigger Type | - | Positive Edge |
| Current - Quiescent (Iq) | - | 4 µA |
| Input Capacitance | - | 3 pF |