0
ACTIVE
Technology family |
ABT |
Supply voltage (min) (V) |
4.5 |
Supply voltage (max) (V) |
5.5 |
Number of channels |
16 |
IOL (max) (mA) |
64 |
IOH (max) (mA) |
-32 |
Supply current (max) (µA) |
33000 |
Input type |
TTL-Compatible CMOS |
Output type |
3-State |
Features |
Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns) |
Rating |
Catalog |
Operating temperature range (°C) |
-40 to 85 |
SSOP (DL)-48-164.358 mm² 15.88 x 10.35
Widebus and EPIC-IIB are trademarks of Texas Instruments Incorporated.
The SN54ABT16540 and SN74ABT16540A are inverting 16-bit buffers/drivers composed of two 8-bit sections with separate output-enable gates. These buffers and bus drivers provide a high-performance bus interface for wide data paths.
The 3-state control gate is a 2-input AND gate with active-low
inputs so that if either output-enable (
or 
) input is high, all corresponding
outputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down,
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.
The SN54ABT16540 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT16540A is characterized for operation from -40°C to 85°C.
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