Features
- Standard and A speeds
- Low input and output leakage ≤1µA (max.)
- CMOS power levels
- True TTL input and output compatibility: VOH = 3.3V (typ.); VOL = 0.3V (typ.)
- Meets or exceeds JEDEC standard 18 specifications
- Power off disable outputs permit "live insertion"
- Available in a 20-pin SOIC package
74FCT621T - Block Diagram
Description
The 74FCT621T is an octal transceiver with non-inverting open-drain bus compatible outputs in both send and receive directions. The B bus outputs are capable of sinking 64mA, providing very good capacitive drive characteristics. The 74FCT621A is designed for asynchronous two-way communication between data buses. The device operates at -40 °C to +85 °C.
Parameters
| Attributes | Value |
|---|---|
| Function | Transceiver |
| Pkg. Code | PSG20 |
| Temp. Range (°C) | -40 to 85°C |
| Bus Width (bits) | 8 |
| Core Voltage (V) | 5 |
| Speed Grade | A |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| SOIC | 12.8 x 7.6 x 2.34 | 20 | 1.27 |
| Part Number | Status | Samples | Stock | Package | Budgetary Price (USD) | Lead Count (#) | Temp. Grade | Pb (Lead) Free | Carrier Type | Moisture Sensitivity Level (MSL) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74FCT621ATSOG | Active | Available | In Stock | SOIC | 1ku | $0.83 | 20# | C | Yes | Tube | 1 | PHILIPPINES, TAIWAN | TAIWAN, USA |
| 74FCT621ATSOG8 | Active | N/A | Out of Stock | SOIC | 1ku | $0.83 | 20# | C | Yes | Reel | 1 | PHILIPPINES, TAIWAN | TAIWAN, USA |
| 74FCT621TSOG | Obsolete | N/A | In Stock | SOIC | 20# | C | Yes | Tube | 1 | |||
| 74FCT621TSOG8 | Obsolete | N/A | Out of Stock | SOIC | 20# | C | Yes | Reel | 1 |
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- Application NotePDF 130 KB 7WDXRDKU4E7E-5-37062 Jun 02, 1996
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