74LS377

DM74LS377 Octal D-Type Flip-Flop with Common Enable and Clock October 1988 Revised March 2000 DM74LS377 Octal D-Type Flip-Flop with Common Enable and Clock General Description The DM74LS377 is an 8-bit register built using advanced low power Schottky technology. This register consists of eight D-type flip-flops with a buffered common clock and a buffered common input enable. The device is packaged in the space-saving (0.3 inch row spacing) 20-pin package. Features s 8-bit high speed parallel registers s Positive edge-triggered D-type flip-flops s Fully buffered common clock and enable inputs Ordering Code: Order Number DM74LS377WM DM74LS377N Package Number M20B N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol Connection Diagram VCC = Pin 20 GND = Pin 10 Pin Descriptions Pin Names E D0–D7 CP Q0–Q7 Description Enable Input (Active LOW) Data Inputs Clock Pulse Input (Active Rising Edge) Flip-Flop Outputs Truth Table Inputs E H L L CP Dn X H L Output Qn No Change H L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial   X © 2000 Fairchild Semiconductor Corporation DS009831 www.fairchildsemi.com DM74LS377 Functional Description The DM74LS377 consists of eight edge-triggered D flip-flops with individual D inputs and Q ou...