The 'ACT16861 are noninverting 20-bit transceivers designed for asynchronous communication between data buses. The control-function implementation minimizes external timing requirements.
The 'ACT16861 can be used as two 10-bit transceivers or one 20-bit transceiver. They allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the output-enable (
or 
) inputs. The output-enable inputs can be used to disable the device so that the buses are effectively isolated.
The 74ACT16861 is packaged in TI's shrink small-outline package, which provides twice the I/O pin count and functionality of standard small-outline packages in the same printed-circuit-board area.
The 54ACT16861 is characterized for operation over the full military temperature range of -55°C to 125°C. The 74ACT16861 is characterized for operation from -40°C to 85°C.
EPIC and Widebus are trademarks of Texas Instruments Incorporated.
| Supply voltage (min) (V) | 4.5 |
| Supply voltage (max) (V) | 5.5 |
| Number of channels | 20 |
| IOL (max) (mA) | 24 |
| IOH (max) (mA) | -24 |
| Input type | TTL |
| Output type | CMOS |
| Features | Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode |
| Technology family | ACT |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| SSOP (DL) | 56 | 190.647 mm² 18.42 x 10.35 |
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