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) | 64 |
| IOH (max) (mA) | -32 |
| Supply current (max) (µA) | 30000 |
| Features | Partial power down (Ioff), Very high speed (tpd 5-10ns) |
| Operating temperature range (°C) | -40 to 85 |
| Rating | Catalog |
| PDIP (N) | 20 | 228.702 mm² 24.33 x 9.4 |
| SOIC (DW) | 20 | 131.84 mm² 12.8 x 10.3 |
| SOP (NS) | 20 | 98.28 mm² 12.6 x 7.8 |
| 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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