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The CD74HCT238M is a high-speed CMOS 3-to-8 line decoder/demultiplexer from Texas Instruments. It is designed for memory decoding and data routing applications, featuring low power consumption and compatibility with TTL logic levels. The device is housed in a 16-pin SOIC package, making it suitable for space-constrained designs.
| Parameter | Value |
|---|---|
| Supply Voltage (VCC) | 4.5V to 5.5V |
| Input Voltage (VI) | 0V to VCC |
| Output Voltage (VO) | 0V to VCC |
| High-Level Input Voltage (VIH) | 2V (min) |
| Low-Level Input Voltage (VIL) | 0.8V (max) |
| High-Level Output Current (IOH) | -4mA (max) |
| Low-Level Output Current (IOL) | 4mA (max) |
| Propagation Delay (tpd) | 23ns (typ) at VCC=5V, CL=50pF |
| Power Dissipation (PD) | 500mW (max) |
| Operating Temperature | -55°C to +125°C |
| Package | 16-SOIC |
The CD74HCT238M is ideal for use in memory address decoding, data routing, and control signal generation. Specific applications include:
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CD74HCT238M 是德州儀器 (TI) 的一款高速 CMOS 3 線轉 8 線解碼器/多路分配器。它專為存儲器解碼和數據路由應用而設計,具有低功耗和與 TTL 邏輯電平兼容的特點。該器件採用 16 引腳 SOIC 封裝,適合空間受限的設計。
| 參數 | 數值 |
|---|---|
| 電源電壓 (VCC) | 4.5V 至 5.5V |
| 輸入電壓 (VI) | 0V 至 VCC |
| 輸出電壓 (VO) | 0V 至 VCC |
| 高電平輸入電壓 (VIH) | 2V (最小值) |
| 低電平輸入電壓 (VIL) | 0.8V (最大值) |
| 高電平輸出電流 (IOH) | -4mA (最大值) |
| 低電平輸出電流 (IOL) | 4mA (最大值) |
| 傳播延遲 (tpd) | 23ns (典型值) 在 VCC=5V, CL=50pF 條件下 |
| 功耗 (PD) | 500mW (最大值) |
| 工作溫度 | -55°C 至 +125°C |
| 封裝 | 16-SOIC |
CD74HCT238M 適用於存儲器地址解碼、數據路由和控制信號生成。具體應用包括:
在 Jasin Chip,我們為 CD74HCT238M 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括:
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