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PI74FCT377T Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI74FCT377T Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
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PI74FCT377T OCTAL D FLIP-FLOP with CLOCK ENABLE 1 PS2017A 03/11/96 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 Fast CMOS Octal D Flip-Flop with Clock Enable Product Description: Pericom Semiconductor’s PI74FCT series of logic circuits are pro- duced in the Company’s advanced 0.6/0.8 micron CMOS technology, achieving industry leading speed grades. The PI74FCT377T is an 8-bit wide octal designed with eight edge- triggered D-type flip-flops with individual D inputs and O outputs. When Clock Enable (CE) is LOW, the common buffered Clock (CP) loads all flip-flops simultaneously. The register is fully edge- triggered. D input state, one setup time before the LOW-to-HIGH clock transition, is transferred to the corresponding flip-flop’s O output. The CE input must be stable only one setup time prior to the LOW-to-HIGH transition for predictable operation. Product Features: • The PI74FCT377T is pin compatible with bipolar FAST™ Series at a higher speed and lower power consumption • TTL input and output levels • Octal D flip-flops with Clock Enable • Extremely low static power • Hysteresis on all inputs • Industrial operating temperature range: –40°C to +85°C • Packages available: – 20-pin 173 mil wide plastic TSSOP (L) – 20-pin 300 mil wide plastic DIP (P) – 20-pin 150 mil wide plastic QSOP (Q) – 20-pin 150 mil wide plastic TQSOP (R) – 20-pin 300 mil wide plastic SOIC (S) Logic Block Diagram Inputs Outputs Mode CP CE DN ON Load "1" ↑ lh H Load "0" ↑ ll L Hold ↑ hX NC (Do Nothing) HHX NC Truth Table (1) 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 NC = No Change ↑ = LOW-to-HIGH Clock Transition Pin Name Description CE Clock Enable (Active LOW) CP Clock Pulse Input D0-D7 Data Inputs O0-O7 Data Outputs GND Ground VCC Power Product Pin Description Product Pin Configuration 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74FCT377T D0 O0 CE CP D Q CP D1 O1 D Q CP D2 O2 D Q CP D3 O3 D Q CP D4 O4 D Q CP D5 O5 D Q CP D6 O6 D Q CP D7 O7 D Q CP 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CE O0 D0 D1 O1 O2 D2 D3 O3 GND Vcc O7 D7 D6 O6 O5 D5 D4 O4 CP 20-PIN L20 P20 Q20 R20 S20 |
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