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PI74FCT273ATS Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI74FCT273ATS Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
1 / 6 page 1 PS2013B 10/07/04 Description PericomSemiconductor’s PI74FCT273Tisa8-bitwideoctaldesigned with eight edge-triggered D-type flip-flops with individual D inputs and O outputs. The common buffered Clock (CP) and Master Reset (MR) load and resets (clear) all flip-flops simultaneously. The register is fully edge-triggered. The D input state, one setup time before the LOW-to-HIGH clock transition, is transferred to the corresponding flip-flop's O output. All outputs will be forced LOW independently of Clock or Data inputs by a LOW voltage level on the MR input. Device models available upon request. Fast CMOS Octal D Flip-Flop with Master Reset Block Diagram Inputs Outputs Mode MR CP DN ON Reset (Clear) L X X L Load "1" H ↑ hH Load "0" H ↑ lL Truth Table(1) Pin Name Description MR Master Reset (Active LOW) CP Clock Pulse Input (Active Rising Edge) D0-D7 Data Inputs O0-O7 Data Outputs GND Ground VCC Power PinDescription PinConfiguration 1. H = High Voltage Level h = High Voltage Level one setup time prior to the LOW-to-HIGH Clock transition L = Low Voltage Level l = LOW Voltage Level one setup time prior to the LOW-to-HIGH Clock Transition X = Don’t Care ↑ = LOW-to-HIGH Clock Transition 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT273T Features • Pin compatible with bipolar FAST™ Series at a higher speed and lower power consumption • TTL input and output levels • Low ground bounce outputs • Extremely low static power • Hysteresis on all inputs • Industrial operating temperature range: –40°C to +85°C • Packaging: – 20-pin 173-mil wide plastic TSSOP (L) – 20-pin 150-mil wide plastic QSOP (Q) – 20-pin 300-mil wide plastic SOIC (S) D RD D0 O0 CP CP MR Q D RD D1 O1 CP Q D RD D2 O2 CP Q D RD D3 O3 CP Q D RD D4 O4 CP Q D RD D5 O5 CP Q D RD D6 O6 CP Q D RD D7 O7 CP Q 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 MR O0 D0 D1 O1 O2 D2 D3 O3 GND Vcc O7 D7 D6 O6 O5 D5 D4 O4 CP 20-Pin L20 Q20 S20 |
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