The 'ABT273 are 8-bit positive-edge-triggered D-type flip-flops with a direct clear (
) input. They are particularly suitable for implementing buffer and storage registers, shift registers, and pattern generators.
Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When the clock (CLK) input is at either the high or low level, the D input signal has no effect at the output.
The SN54ABT273 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT273 is characterized for operation from -40°C to 85°C.
EPIC-IIB is a trademark of Texas Instruments Incorporated.
| Number of channels | 8 |
| Technology family | ABT |
| Supply voltage (min) (V) | 4.5 |
| Supply voltage (max) (V) | 5.5 |
| Input type | TTL-Compatible CMOS |
| Output type | Push-Pull |
| Clock frequency (max) (MHz) | 150 |
| IOL (max) (mA) | 48 |
| IOH (max) (mA) | -24 |
| Supply current (max) (µA) | 30000 |
| Features | Partial power down (Ioff), Very high speed (tpd 5-10ns) |
| Operating temperature range (°C) | -55 to 125 |
| Rating | Military |
| CDIP (J) | 20 | 167.464 mm² 24.2 x 6.92 |
| CFP (W) | 20 | 90.5828 mm² 13.09 x 6.92 |
| LCCC (FK) | 20 | 79.0321 mm² 8.89 x 8.89 |
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