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74F2244

National
Part Number 74F2244
Manufacturer National
Description Octal Buffer/Line Driver
Published May 28, 2005
Detailed Description 54F 74F2244 Octal Buffer Line Driver with 25X Series Resistors in Outputs August 1995 54F 74F2244 Octal Buffer Line Dr...
Datasheet PDF File 74F2244 PDF File

74F2244
74F2244

Overview
54F 74F2244 Octal Buffer Line Driver with 25X Series Resistors in Outputs August 1995 54F 74F2244 Octal Buffer Line Driver with 25X Series Resistors in Outputs General Description The ’F2244 is an octal buffer line driver designed to drive the capacitive inputs of MOS memory drivers address drivers clock drivers and bus-oriented transmitters receivers The 25X series resistors in the outputs reduce ringing and eliminate the need for external resistors Features Y Y Y Y Y TRI-STATE outputs drive bus lines or buffer memory address registers 12 mA source current 25X series resistors in outputs eliminate the need for external resistors Designed to drive the capacitive inputs of MOS devices Guaranteed 4000V minimum ESD protection Commercial 74F2244PC Military Package Number N20B 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 Molded Shrink Small Outline EIAJ Type II 20-Lead Cerpak 20-Lead Ceramic Leadless Chip Carier Type C 54F2244DM (Note 2) 74F2244SC (Note 1) 74F2244MSA (Note 1) 54F2244FM (Note 2) 54F2244LM (Note 2) Note 1 Devices also available in 13 J20A M20B MSA20 W20A E20A reel Use suffix e SCX and MSAX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Connection Diagrams Pin Assignment for LCC ’F2244 Pin Assignment for DIP SOIC and SSOP ’F2244 TL F 9499 – 3 TL F 9499 – 4 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9499 RRD-B30M105 Printed in U S A Logic Symbol IEEE IEC ’F2244 TL F 9499 – 6 Unit Loading Fan Out 54F 74F Pin Names Description UL HIGH LOW 1 0 1 667 1 0 1 667 1 0 2 667 750 20 Input IIH IIL Output IOH IOL 20 mA b1 mA 20 mA b1 mA 20 mA b1 6 mA b 15 mA 12 mA OE1 OE2 OE2 Ian Ibn Oan Obn Worst-case ’F2244 disabled TRI-STATE Output Enable Input (Active LOW) TRI-STATE Output Enable Input (Active HIGH) Inputs Output...


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