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54F377

National Semiconductor
Part Number 54F377
Manufacturer National Semiconductor
Description Octal D Flip-Flop
Published Aug 5, 2016
Detailed Description 54F 74F377 Octal D Flip-Flop with Clock Enable Obsolete May 1995 54F 74F377 Octal D Flip-Flop with Clock Enable Gene...
Datasheet PDF File 54F377 PDF File

54F377
54F377


Overview
54F 74F377 Octal D Flip-Flop with Clock Enable Obsolete May 1995 54F 74F377 Octal D Flip-Flop with Clock Enable General Description The ’F377 has eight edge-triggered D-type flip-flops with individual D inputs and Q outputs The common buffered Clock (CP) input loads all flip-flops simultaneously when the Clock Enable (CE) is LOW The register is fully edge-triggered The state of each D input one setup time before the LOW-to-HIGH clock transition is transferred to the corresponding flip-flop’s Q output The CE input must be stable only one setup time prior to the LOW-to-HIGH clock transition for predictable operation Features Y Ideal for addressable register applications Y Clock enable for address and data synchronization applications Y Eight edge-triggered D flip-flops Y Buffered common clock Y See ’F273 for master reset version Y See ’F373 for transparent latch version Y See ’F374 for TRI-STATE version Y Guaranteed 4000V minimum ESD protection Commercial 74F377PC 74F377SC (Note 1) 74F377SJ (Note 1) Military 54F377DM (QB) 54F377FM (QB) 54F377LM (QB) Package Number N20A J20A M20B M20D W20A E20A Package Description 20-Lead (0 300 Wide) Molded Dual-In-Line 20-Lead Ceramic Dual-In-Line 20-Lead (0 300 Wide) Molded Small Outline JEDEC 20-Lead (0 300 Wide) Molded Small Outline EIAJ 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use suffix e SCX and SJX Logic Symbols IEEE IEC TL F 9525 – 1 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9525 TL F 9525 – 4 RRD-B30M75 Printed in U S A Obsolete Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC Unit Loading Fan Out Pin Names Description D0 – D7 CE CP Q0 – Q7 Data Inputs Clock Enable (Active LOW) Clock Pulse Input Data Outputs TL F 9525–2 54F 74F UL HIGH LOW 10 10 10 10 10 10 50 33 3 Input IIH IIL Output IOH IOL 20 mA b0 6 mA 20 mA b0 6 mA 20 mA b0...


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