74F241PC

74F240 • 74F241 • 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs April 1988 Revised July 1999 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 © 1999 Fairchild Semiconductor Corporation DS009501 www.fairchildsemi.com 74F240 • 74F241 • 74F244 Logic Symbols IEEE/IEC 74F240 IEEE/IEC 74F241 IEEE/IEC 74F244 Unit Loading/Fan Out Pin Names OE1, OE2 OE2 I0–I7 I0–I7 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 −12 mA/64 mA (48 mA) O0–O7, O0–O7 Outputs Note 1: Worst-case 74F240 enabled; 74F241, 74F244 disabled Truth Tables 74F240 OE1 H L L D1n X H L O1n Z L H 74F241 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 74F244 O1n Z H L OE2 H L L D2n X H L O2n Z H L H = H IGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance www.fairchildsemi.com 2 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 −0.5V to VCC −0.5V to +5.5V −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 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 VCD VOH Parameter Input HIGH Voltage Input LOW Voltage Input Clamp Diode Voltage Output HIGH Voltage VOL IIH IBVI ICEX VID IOD IIL IOZH IOZL IOS IZZ ICCH ICCL ICCZ ICCH ICCL ICCZ 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 4.75 3.75 −1.0 −1.6 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 50 −50 −225 500 29 75 63 60 90 90 µA µA mA µA mA mA mA mA mA mA Max Max Max 0.0V Max Max Max Max Max Max 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 mA Min Max Max Max 0.0 0.0 Max 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 3 www.fairchildsemi.com 74F240 • 74F241 • 74F244 AC Electrical Characteristics TA = +25°C Symbol Parameter Min 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 Min 3.0 2.0 2.0 4.0 2.0 2.0 2.5 2.5 2.0 2.0 2.0 2.0 Max 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 www.fairchildsemi.com 4 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 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M20D 5 www.fairchildsemi.com 74F240 • 74F241 • 74F244 Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide Package Number MSA20 www.fairchildsemi.com 6 74F240 • 74F241 • 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide Package Number N20A Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 7 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com www.fairchildsemi.com