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DM74LS273 Scheda tecnica(PDF) 1 Page - Fairchild Semiconductor |
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DM74LS273 Scheda tecnica(HTML) 1 Page - Fairchild Semiconductor |
1 / 6 page © 2000 Fairchild Semiconductor Corporation DS009825 www.fairchildsemi.com October 1988 Revised March 2000 DM74LS273 8-Bit Register with Clear General Description The DM74LS273 is a high speed 8-bit register, consisting of eight D-type flip-flops with a common Clock and an asynchronous active LOW Master Reset. This device is supplied in a 20-pin package featuring 0.3 inch row spac- ing. Features s Edge-triggered s 8-bit high speed register s Parallel in and out s Common clock and master reset Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol VCC = Pin 20 GND = Pin 10 Pin Descriptions Connection Diagram Truth Table H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Order Number Package Number Package Description DM74LS273WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide DM74LS273SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide DM74LS273N N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Pin Names Description CP Clock Pulse Input (Active Rising Edge) D0–D7 Data Inputs MR Asynchronous Master Reset Input (Active LOW) Q0–Q7 Flip-Flop Outputs Inputs Outputs MR CP Dn Qn LX X L H HH H LL |
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