Part A
SN74LS138N
德州儀器
- Lifecycle
- Active
- Stock
- 5031 件
- Series
- 邏輯-訊號開關、多工器、解碼器
Parts at a glance
Part B
SN74LS273N
德州儀器
- Lifecycle
- Active
- Stock
- 2694 件
- Package
- PDIP-20
- Series
- 邏輯-觸發器
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | SN74LS138N | SN74LS273N |
|---|---|---|
| Series | 74LS | 74LS |
| Part Status | Active | Active |
| Base Product Number | 74LS138 | - |
| Type | Decoder/Demultiplexer | D-Type |
| Circuit | 1 x 3:8 | - |
| Independent Circuits | 1 | - |
| Current - Output High, Low | 400µA, 8mA | - |
| Voltage Supply Source | Single Supply | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole | Through Hole |
| Packaging | Tube | - |
| Function | - | Master Reset |
| Output Type | - | Non-Inverted |
| Number of Elements | - | 1 |
| Number of Bits per Element | - | 8 |
| Clock Frequency | - | 40 MHz |
| Max Propagation Delay @ V Max CL | - | 27ns @ 5V, 15pF |
| Trigger Type | - | Positive Edge |
| Current - Output High Low | - | 400µA, 8mA |
| Current - Quiescent (Iq) | - | 27 mA |