|
Details, datasheet, quote on part number:JM38510/33203BRA
| |
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
3
Absolute Maximum Ratings (Note 1)
p If Military Aerospace specified devices are required lease contact the National Semiconductor Sales S Office Distributors for availability and specifications torage Temperature Ambient Temperature under Bias Junction Temperature under Bias Plastic VCC Pin Potential to Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Output in HIGH State (with VCC e 0V) Standard Output TRI-STATE Output Current Applied to Output in LOW State (Max) ESD Last Passing Voltage (Min)
ecommended Operating Conditions
Free Air Ambient Temperature Military Commercial Supply Voltage Military Commercial
b 55
C to a 150 C b 55 C to a 125 C b 55 C to a 175 C b 55 C to a 150 C
b 0 5V to a 7 0V b 0 5V to a 7 0V b 30 mA to a 5 0 mA
b 65
C to a 125 C 0 C to a 70 C
a 4 5V to a 5 5V a 4 5V to a 5 5V
b 0 5V to VCC b 0 5V to a 5 5V
twice the rated IOL (mA) 4000V
Note 1 Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired Functional operation under N these conditions is not implied ote 2 Either voltage limit or current limit is sufficient to protect inputs R
DC Electrical Characteristics
Symbol VIH VIL VCD VOH Parameter Min Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage 54F 10% VCC 54F 10% VCC 74F 10% VCC 74F 10% VCC 74F 5% VCC 54F 10% VCC 74F 10% VCC 54F 74F 54F 74F 54F 74F 74F 74F 4 75 3 75
b1 0 b1 6
54F 74F Typ Max
Units V 08
b1 2
VCC
Conditions Recognized as a HIGH Signal Recognized as a LOW Signal
20
V V Min
IIN e b18 mA IOH IOH IOH IOH IOH
e e e e e b 3 mA b 12 mA b 3 mA b 15 mA b 3 mA
24 20 24 20 27 0 55 0 55 20 0 50 100 70 250 50
V
Min
VOL IIH IBVI ICEX VID IOD IIL IOZH IOZL IOS IZZ
Output LOW Voltage Input HIGH Current Input HIGH Current Breakdown Test Output HIGH Leakage Current Input Leakage Test Output Leakage Circuit Current Input LOW Current
V mA mA mA V mA mA mA mA mA mA
Min Max Max Max 00 00 Max Max Max Max 0 0V
IOL e 48 mA IOL e 64 mA VIN e 2 7V VIN e 7 0V VOUT e VCC IID e 1 9 mA All Other Pins Grounded VIOD e 150 mV All Other Pins Grounded VIN e 0 5V (OE1 OE2 OE2 Dn ('F240)) VIN e 0 5V (Dn ('F241 'F244)) VOUT e 2 7V VOUT e 0 5V VOUT e 0V VOUT e 5 25V
Output Leakage Current Output Leakage Current Output Short-Circuit Current Bus Drainage Test
b 100
50
b 50 b 225
500
4
DC Electrical Characteristics
Symbol ICCH ICCL ICCZ ICCH ICCL ICCZ Parameter
(Continued) 54F 74F Min Typ 19 50 42 40 60 60 Max 29 75 63 60 90 90 mA mA mA mA mA mA Max Max Max Max Max Max VO e HIGH VO e LOW VO e HIGH Z VO e HIGH VO e LOW VO e HIGH Z Units VCC Conditions
Power Supply Current ('F240) Power Supply Current ('F240) Power Supply Current ('F240) Power Supply Current ('F241 'F244) Power Supply Current ('F241 'F244) Power Supply Current ('F241 'F244)
AC Electrical Characteristics
74F Symbol Parameter Min tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation Delay Data to Output ('F240) Output Enable Time ('F240) Output Disable Time ('F240) Propagation Delay Data to Output ('F241 'F244) Output Enable Time ('F241 'F244) Output Disable Time ('F241 'F244) 30 20 20 40 20 20 25 25 20 20 20 20 TA e a 25 C VCC e a 5 0V CL e 50 pF Typ 51 35 35 69 40 60 40 40 43 54 45 45 Max 70 47 47 90 53 80 52 52 57 70 60 60 54F TA VCC e Mil CL e 50 pF Min 30 20 20 40 20 20 20 20 20 20 20 20 Max 90 60 65 10 5 65 12 5 65 70 70 85 70 75 74F TA VCC e Com CL e 50 pF Min 30 20 20 40 20 20 25 25 20 20 20 20 Max 80 57 57 10 0 63 95 62 65 67 80 70 70 ns ns Units
ns
ns
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are defined as follows 7 4F Temperature Range Family 74F e Commercia 54F e Military Device Type Package Code P e Plastic DIP D e Ceramic DIP F e Flatpak L e Leadless Chip Carrier (LCC) S e Small Outline SOIC JEDEC MSA e Shrink Small Outline Package (EIAJ SSOP) ('244 only) SJ e Small Outline SOIC EIAJ 240 241 244 S C X Special Variations QB e Military grade device with environmental and burn-in processing X e devices shipped in 13 reel Temperature Range C e Commercial (0 C to a 70 C) M e Military (b55 C to a 125 C) NOTE Not required for MSA package code
5
|
|
