CD74HCT240E – HARRIS
8‑Channel Inverting 3‑ST CMOS Buffer/Line Driver, 20‑Pin PDIP Package
Stock Quantity: 38
Selling Unit: Each
| Quantity | Price (ex VAT) |
|---|---|
| 1+ | 0.75 |
| 10+ | |
| 50+ | |
| 100+ |
38 in stock
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Overview
The Texas Instruments CD74HCT240E is a high-speed, octal, inverting buffer featuring 3-state outputs, designed to interface between TTL and CMOS logic levels. Its primary function is to drive multiple loads with low output impedance, crucial for signal integrity in complex digital systems. A key design consideration is managing the trade-off between propagation delay and output drive strength; while its fast switching times are advantageous, exceeding the specified 6mA output current can lead to significant signal degradation and potential device failure, necessitating careful impedance matching in high-frequency applications.
Key Features
- Logic Type: Buffer, Inverting
- Number of Elements: 2
- Bits per Element: 4
- Output Type: 3-State
- Output Current: 6mA, 6mA (High/Low)
- Package: 20-PDIP (0.300″ width)
Applications
The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.
- Driving multiple TTL inputs from CMOS sources.
- Bus buffering and signal isolation in microprocessors.
- Clock distribution networks requiring low skew.
- Output stage for memory devices and peripheral interfaces.
