SN54LS273-SP Texas instruments

SN54LS273-SP

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SN54LS273-SP

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Описание

These monolithic, positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic with a direct clear input. Information at the 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 input is at either the high or low level, the D input signal has no effect at the output. These flip-flops are guaranteed to respond to clock frequencies ranging form 0 to 30 megahertz while maximum clock frequency is typically 40 megahertz. Typical power dissipation is 39 milliwatts per flip-flop for the ´273 and 10 milliwatts for the ´LS273.

Contains Eight Flip-Flops With Single-Rail Outputs
Buffered Clock and Direct Clear Inputs
Individual Data Input to Each Flip-Flop
Applications Include:
- Buffer/Storage Registers
- Shift Registers
- Pattern Generators

Number of channels	8
Technology family	LS
Supply voltage (min) (V)	4.5
Supply voltage (max) (V)	5.5
Input type	Bipolar
Output type	Push-Pull
Clock frequency (max) (MHz)	35
IOL (max) (mA)	8
IOH (max) (mA)	-0.4
Supply current (max) (µA)	27000
Features	High speed (tpd 10-50ns)
Operating temperature range (°C)	-55 to 125
Rating	Space