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Details, datasheet, quote on part number:JM38510/33203BR
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Datasheet text preview:
54F 74F24054F 74F241 54F 74F244 Octal Buffers Line Drivers with TRI-STATE Outputs
May 1995
54F 74F24054F 74F241 54F 74F244 Octal Buffers Line Drivers with TRI-STATE Outputs
General Description
The 'F240 'F241 and 'F244 are octal buffers and line drivers designed to be employed as memory and address drivers clock drivers and bus-oriented transmitters receivers which provide improved PC and board density
Y
eatures
TRI-STATE outputs drive bus lines or buffer memory address registers Y Outputs sink 64 mA (48 mA mil) Y 12 mA source current F Y Input clamp diodes limit high-speed termination effects Y Guaranteed 4000V minimum ESD protection
Commercial 74F240PC
Military
Package Number N20A
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 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 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 Molded Shrink Small Outline EIAJ Type II 20-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier Type C
54F240DM (Note 2) 74F240SC (Note 1) 74F240SJ (Note 1) 54F240FM (Note 2) 54F240LM (Note 2) 74F241PC 54F241DM (Note 2) 74F241SC (Note 1) 74F241SJ (Note 1) 54F241FM (Note 2) 54F241LM (Note 2) 74F244PC 54F244DM (Note 2) 74F244SC (Note 1) 74F244SJ (Note 1) 74F244MSA (Note 1) 54F244FM (Note 2) 54F244LM (Note 2)
J20A M20B M20D W20A E20A N20A J20A M20B M20D W20A E20A N20A J20A M20B M20D MSA20 W20A E20A
Note 1 Devices also available in 13 reel Use Suffix e SCX SJX and MSAX T ote 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB
C RI-STATE is a registered trademark of National Semiconductor Corporation
1995 National Semiconductor Corporation
TL F 9501
RRD-B30M75 Printed in U S A
Connection Diagrams
Pin Assignment for LCC 'F240 'F241 'F244
TL F 9501 6 TL F 9501 2 TL F 9501 4
Pin Assignment for DIP SOIC SSOP and Flatpak
TL F 9501 1
TL F 9501 3
TL F 9501 5
Logic Symbols
IEEE IEC 'F240 IEEE IEC 'F241 IEEE IEC 'F244
TL F 9501 7
TL F 9501 8
TL F 9501 9
2
Unit Loading Fan Out
54F 74F Pin Names Description UL HIGH LOW 1 0 1 667 1 0 1 667 1 0 1 667 1 0 2 667 600 106 6 (80) Input IIH IIL Output IOH IOL 20 mA b1 mA 20 mA b1 mA 20 mA b1 mA 20 mA b1 6 mA b 12 mA 64 mA (48 mA)
OE1 OE2 OE2 I 0 I7 I0 I 7 O0 O7 O0 O7
TRI-STATE Output Enable Input (Active LOW) TRI-STATE Output Enable Input (Active HIGH) Inputs ('F240) Inputs ('F241 'F244) Outputs
Worst-case 'F240 enabled 'F241 'F244 disabled
Truth Tables
'F240 OE1 H L L D1n X H L O1n Z L H 'F241 OE1 H L L D1n X H L O1n Z H L OE2 L H H D2n X H L O2n Z H L OE2 H L L D2n X H L O2n Z L H OE1 H L L D1n X H L O1n Z H L 'F244 OE2 H L L D2n X H L O2n Z H L
H e HIGH Voltage Level L e LOW Voltage Level X e Immaterial Z e High Impedance
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