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Details, datasheet, quote on part number:74F241PC
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Datasheet text preview:
74F240 · 74F241 · 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs
April 1988 Revised September 2000
74F240 · 74F241 · 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs
General Description
The 74F240, 74F241 and 74F244 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.
Features
s 3-STATE outputs drive bus lines or buffer memory address registers s Outputs sink 64 mA (48 mA mil) s 12 mA source current s Input clamp diodes limit high-speed termination effects
Ordering Code:
Order Code 74F240SC 74F240SJ 74F240PC 74F241SC 74F241SJ 74F241PC 74F244SC 74F244SJ 74F244MSA 74F244PC Package Number M20B M20D N20A M20B M20D N20A M20B M20D MSA20 N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm 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.
Connection Diagrams
74F240 74F241
74F244
© 2000 Fairchild Semiconductor Corporation
DS009501
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74F240 · 74F241 · 74F244
Logic Symbols
IEEE/IEC 74F240 IEEE/IEC 74F241
IEEE/IEC 74F244
Unit Loading/Fan Out
Pin Names OE1, OE2 OE2 I0I7 I0I7 Description 3-STATE Output Enable Input (Active LOW) 3-STATE Output Enable Input (Active HIGH) Inputs (74F240) Inputs (74F241, 74F244) U.L. HIGH/LOW 1.0/1.667 1.0/1.667 1.0/1.667 (Note 1) 1.0/2.667 (Note 1) 600/106.6 (80) Input IIH/IIL Output IOH/IOL 20 µA/-1 mA 20 µA/-1 mA 20 µA/-1 mA 20 µA/-1.6 mA
O0O7, O0O7 Outputs
Note 1: Worst-case 74F240 enabled; 74F241, 74F244 disabled
-12 mA/64 mA (48 mA)
Truth Tables
74F240 OE1 H L L D1 n X H L O1n Z L H 74F241 OE1 H L L D1 n X H L O1n Z H L OE2 L H H D2 n X H L O2n Z H L OE2 H L L D2 n X H L O2n Z L H OE1 H L L D1n X H L 74F244 O1n Z H L OE2 H L L D2n X H L O2n Z H L
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
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74F240 · 74F241 · 74F244
Absolute Maximum Ratings(Note 2)
Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias VCC Pin Potential to Ground Pin Input Voltage (Note 3) Input Current (Note 3) Voltage Applied to Output in HIGH State (with VCC = 0V) Standard Output 3-STATE Output Current Applied to Output in LOW State (Max) ESD Last Passing Voltage (Min) twice the rated IOL (mA) 4000V
-65°C to +150°C -55°C to +125°C -55°C to +150°C -0.5V to +7.0V -0.5V to +7.0V -30 mA to +5.0 mA
Recommended Operating Conditions
Free Air Ambient Temperature Supply Voltage 0°C to +70°C
+4.5V to +5.5V
-0.5V to VCC -0.5V to +5.5V
Note 2: Absolute maximum ratings are values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied. Note 3: Either voltage limit or current limit is sufficient to protect inputs.
DC Electrical Characteristics
Symbol VIH VIL V CD VOH Parameter Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage VOL IIH IB V I IC E X VID IOD Output LOW Voltage Input HIGH Current Input HIGH Current Breakdown Test Output HIGH Leakage Current Input Leakage Test Output Leakage Circuit Current IIL IOZH IOZL IOS IZ Z ICCH ICCL ICCZ ICCH ICCL ICCZ Input LOW Current Output Leakage Current Output Leakage Current Output Short-Circuit Current Bus Drainage Test Power Supply Current (74F240) Power Supply Current (74F240) Power Supply Current (74F240) Power Supply Current (74F241, 74F244) Power Supply Current (74F241, 74F244) Power Supply Current (74F241, 74F244) 19 50 42 40 60 60 -100 4.75 3.75 -1.0 -1.6 50 -50 -225 500 29 75 63 60 90 90 10% VCC 10% VCC 5% VCC 10% VCC 2.4 2.0 2.7 0.55 5.0 7.0 50 V µA µA µA V µA Min Max Max Max 0 .0 0 .0 V Min Min 2.0 0.8 -1.2 Typ Max Units V V V Min VCC Conditions Recognized as a HIGH Signal Recognized as a LOW Signal IIN = -18 mA IOH = -3 mA IOH = -15 mA IOH = -3 mA IOL = 64 mA VIN = 2.7V VIN = 7.0V VOUT = VCC IID = 1.9 µA All Other Pins Grounded VIOD = 150 mV All Other Pins Grounded VIN = 0.5V (OE1, OE 2, OE2, Dn 74F240)) VIN = 0.5V (Dn (74F241, 74F244)) VOUT = 2.7V VOUT = 0.5V VOUT = 0V VOUT = 5.25V VO = HIGH VO = LOW VO = HIGH Z VO = HIGH VO = LOW VO = HIGH Z
mA µA µA mA µA mA mA mA mA mA mA
Max Max Max Max 0.0V Max Max Max Max Max Max
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74F240 · 74F241 · 74F244
AC Electrical Characteristics
TA = +25°C Symbol Parameter M in tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation Delay Data to Output (74F241, 74F244) Output Enable Time (74F241, 74F244) Output Disable Time (74F241, 74F244) Output Disable Time (74F240) Propagation Delay Data to Output (74F240) Output Enable Time (74F240) 3.0 2.0 2.0 4.0 2.0 2.0 2.5 2.5 2.0 2.0 2.0 2.0 VCC = +5.0V CL = 50 pF Typ 5.1 3.5 3.5 6.9 4.0 6.0 4.0 4.0 4.3 5.4 4.5 4.5 Max 7.0 4.7 4.7 9.0 5.3 8.0 5.2 5.2 5.7 7.0 6.0 6.0 TA = -55°C to +125°C VCC = 5.0V CL = 50 pF Min 3.0 2.0 2.0 4 .0 2.0 2 .0 2.0 2.0 2 .0 2.0 2 .0 2.0 Max 9.0 6.0 6.5 10.5 6.5 12.5 6.5 7.0 7.0 8.5 7.0 7.5 TA = 0°C to +70°C VCC = 5.0V CL = 50 pF M in 3.0 2.0 2.0 4.0 2.0 2.0 2.5 2.5 2 .0 2.0 2 .0 2.0 M ax 8 .0 5 .7 5.7 10.0 6.3 9 .5 6 .2 6.5 6.7 8.0 7.0 7.0 ns ns ns ns Units
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74F240 · 74F241 · 74F244
Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide Package Number M20B
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