These octal buffers/drivers are designed specifically for low-voltage (3.3-V) VCC operation with the capability to provide a TTL interface to a 5-V system environment.
These devices are organized as two 4-bit line drivers with separate output-enable (
) inputs. When is low, the device passes data from the A inputs to the Y outputs. When is high, the outputs are in the high-impedance state.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN74LVTZ244 is available in TI's shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54LVTZ244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LVTZ244 is characterized for operation from -40°C to 85°C.
| Technology family | LVT |
| Supply voltage (min) (V) | 2.7 |
| Supply voltage (max) (V) | 3.6 |
| Number of channels | 8 |
| IOL (max) (mA) | 64 |
| Supply current (max) (µA) | 15000 |
| IOH (max) (mA) | -32 |
| Input type | TTL-Compatible CMOS |
| Output type | 3-State |
| Features | Bus-hold, Over-voltage tolerant inputs, Partial power down (Ioff), Power up 3-state, Ultra high speed (tpd <5ns) |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| SOIC (DW) | 20 | 131.84 mm² 12.8 x 10.3 |
| SSOP (DB) | 20 | 56.16 mm² 7.2 x 7.8 |
| TSSOP (PW) | 20 | 41.6 mm² 6.5 x 6.4 |
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