This 20-bit noninverting buffer/driver is designed for 1.65-V to 3.6-V VCC operation.
The SN74ALVCH16827 is composed of two 10-bit sections with separate output-enable signals. For either 10-bit buffer section, the two output-enable (1OE1 and 1OE2 or 2OE1 and 2OE2) inputs must both be low for the corresponding Y outputs to be active. If either output-enable input is high, the outputs of that 10-bit buffer section are in the high-impedance state.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
The SN74ALVCH16827 is characterized for operation from -40°C to 85°C.
Widebus, EPIC are trademarks of Texas Instruments.
| Technology family | ALVC |
| Supply voltage (min) (V) | 1.65 |
| Supply voltage (max) (V) | 3.6 |
| Number of channels | 20 |
| IOL (max) (mA) | 24 |
| Supply current (max) (µA) | 40 |
| IOH (max) (mA) | -24 |
| Input type | Standard CMOS |
| Output type | 3-State |
| Features | Balanced outputs, Bus-hold, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| SSOP (DL) | 56 | 190.647 mm² 18.42 x 10.35 |
| TSSOP (DGG) | 56 | 113.4 mm² 14 x 8.1 |
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