74F244PC

74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs tm Features General Description ■ 3-STATE outputs drive bus lines or buffer memory The 74F240 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. address registers ■ Outputs sink 64mA (48mA mil) ■ 12mA source current ■ Input clamp diodes limit high-speed termination effects Ordering Information Order Code Package Number Package Description 74F240SC(1) M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74F240SJ(1) M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74F240PC N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide 74F244SC(1) M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74F244SJ(1) M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74F244MSA(1) 74F244PC MSA20 N20A 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Note: 1. Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering number. Connection Diagrams 74F240 ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 74F244 www.fairchildsemi.com 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs May 2007 IEEE/IEC 74F244 IEEE/IEC 74F240 Unit Loading/Fan Out Pin Names Description U.L. HIGH/LOW Input IIH / IIL, Output IOH / IOL OE1, OE2 3-STATE Output Enable Input (Active LOW) 1.0 / 1.667 20µA / –1mA OE2 3-STATE Output Enable Input (Active HIGH) 1.0 / 1.667 20µA / –1mA I0–I7 Inputs (74F240) I0–I7 Inputs (74F244) O0–O7, O0–O7 Outputs 1.0 / 1.667(2) 1.0 / 2.667(2) 600 / 106.6 (80) 20µA / –1mA 20µA / –1.6mA –12mA / 64mA (48mA) Note: 2. Worst-case 74F240 enabled; 74F244 disabled. Truth Tables 74F240 74F244 OE1 D1n O1n OE2 D2n O2n OE1 D1n O1n OE2 D2n O2n H X Z H X Z H X Z H X Z L H L L H L L H H L H H L L H L L H L L L L L L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 www.fairchildsemi.com 2 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs Logic Symbols Symbol TSTG Parameter Rating Storage Temperature –65°C to +150°C TA Ambient Temperature Under Bias –55°C to +125°C TJ Junction Temperature Under Bias –55°C to +150°C VCC VCC Pin Potential to Ground Pin –0.5V to +7.0V VIN Input Voltage(3) –0.5V to +7.0V IIN Input Current(3) –30mA to +5.0mA VO Voltage Applied to Output in HIGH State (with VCC = 0V) Standard Output –0.5V to VCC 3-STATE Output –0.5V to 5.5V Current Applied to Output in LOW State (Max.) twice the rated IOL (mA) ESD Last Passing Voltage (Min.) 4000V Note: 3. Either voltage limit or current limit is sufficient to protect inputs. Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to absolute maximum ratings. Symbol TA VCC Parameter Rating Free Air Ambient Temperature 0°C to +70°C Supply Voltage ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 +4.5V to +5.5V www.fairchildsemi.com 3 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameter VCC Conditions Min. 2.0 Typ. Max. Units V VIH Input HIGH Voltage Recognized as a HIGH Signal VIL Input LOW Voltage Recognized as a LOW Signal 0.8 V VCD Input Clamp Diode Voltage Min. IIN = –18mA –1.2 V VOH Output HIGH Voltage Min. IOH = –3mA 10% VCC 2.4 10% VCC IOH = –15mA 2.0 5% VCC IOH = –3mA 2.7 10% VCC Min. V IOL = 64mA VOL Output LOW Voltage 0.55 IIH Input HIGH Current Max. VIN = 2.7V 5.0 µA IBVI Input HIGH Current Breakdown Test Max. VIN = 7.0V 7.0 µA ICEX Output HIGH Leakage Current Max. VOUT = VCC 50 µA VID Input Leakage Test 0.0 IID = 1.9µA IOD Output Leakage Circuit Current 0.0 4.75 V V All Other Pins Grounded VIOD = 150mV 3.75 µA VIN = 0.5V (OE1, OE2, OE2, Dn (74F240)) –1.0 mA VIN = 0.5V (Dn (74F244)) –1.6 All Other Pins Grounded IIL Input LOW Current Max. IOZH Output Leakage Current Max. VOUT = 2.7V 50 µA IOZL Output Leakage Current Max. VOUT = 0.5V –50 µA IOS Output Short-Circuit Current Max. VOUT = 0V –225 mA IZZ Bus Drainage Test 0.0V VOUT = 5.25V 500 µA ICCH Power Supply Current (74F240) Max. VO = HIGH 19 29 mA ICCL Power Supply Current (74F240) Max. VO = LOW 50 75 mA –100 ICCZ Power Supply Current (74F240) Max. VO = HIGH Z 42 63 mA ICCH Power Supply Current (74F244) Max. VO = HIGH 40 60 mA ICCL Power Supply Current (74F244) Max. VO = LOW 60 90 mA ICCZ Power Supply Current (74F244) Max. VO = HIGH Z 60 90 mA ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 www.fairchildsemi.com 4 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs DC Electrical Characteristics TA = +25°C, VCC = +5.0V, CL = 50pF Symbol Parameter TA = –55°C to +125°C, TA = 0°C to +70°C, VCC = 5.0V, VCC = 5.0V, CL = 50pF CL = 50pF Min. Typ. Max. Min. Max. Min. Max. Units ns Propagation Delay Data to Output (74F240) 3.0 5.1 7.0 3.0 9.0 3.0 8.0 2.0 3.5 4.7 2.0 6.0 2.0 5.7 Output Enable Time (74F240) 2.0 3.5 4.7 2.0 6.5 2.0 5.7 4.0 6.9 9.0 4.0 10.5 4.0 10.0 tPHZ, tPLZ Output Disable Time (74F240) 2.0 4.0 5.3 2.0 6.5 2.0 6.3 2.0 6.0 8.0 2.0 12.5 2.0 9.5 tPLH, tPHL Propagation Delay, Data to Output (74F244) 2.5 4.0 5.2 2.0 6.5 2.5 6.2 2.5 4.0 5.2 2.0 7.0 2.5 6.5 Output Enable Time (74F244) 2.0 4.3 5.7 2.0 7.0 2.0 6.7 2.0 5.4 7.0 2.0 8.5 2.0 8.0 Output Disable Time (74F244) 2.0 4.5 6.0 2.0 7.0 2.0 7.0 2.0 4.5 6.0 2.0 7.5 2.0 7.0 tPLH, tPHL tPZH, tPZL tPZH, tPZL tPHZ, tPLZ ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 ns ns ns www.fairchildsemi.com 5 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs AC Electrical Characteristics 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs Physical Dimensions Dimensions are in inches (millimeters) unless otherwise noted. Figure 1. 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Package Number M20B ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 www.fairchildsemi.com 6 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 2. 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M20D ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 www.fairchildsemi.com 7 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs Physical Dimensions (Continued) Dimensions are in millimeters unless otherwise noted. Figure 3. 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide Package Number MSA20 ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 www.fairchildsemi.com 8 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs Physical Dimensions (Continued) Dimensions are in inches (millimeters) unless otherwise noted. Figure 4. 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Package Number N20A ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 www.fairchildsemi.com 9 ® ACEx Across the board. Around the world.™ ActiveArray™ Bottomless™ Build it Now™ CoolFET™ CROSSVOLT™ CTL™ Current Transfer Logic™ DOME™ 2 E CMOS™ ® EcoSPARK EnSigna™ FACT Quiet Series™ ® FACT ® FAST FASTr™ FPS™ ® FRFET GlobalOptoisolator™ GTO™ HiSeC™ i-Lo™ ImpliedDisconnect™ IntelliMAX™ ISOPLANAR™ MICROCOUPLER™ MicroPak™ MICROWIRE™ Motion-SPM™ MSX™ MSXPro™ OCX™ OCXPro™ ® OPTOLOGIC ® OPTOPLANAR PACMAN™ PDP-SPM™ POP™ ® Power220 ® Power247 PowerEdge™ PowerSaver™ Power-SPM™ ® PowerTrench Programmable Active Droop™ ® QFET QS™ QT Optoelectronics™ Quiet Series™ RapidConfigure™ RapidConnect™ ScalarPump™ SMART START™ ® SPM STEALTH™ SuperFET™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TCM™ ® The Power Franchise TinyBoost™ TinyBuck™ ® TinyLogic TINYOPTO™ TinyPower™ TinyWire™ TruTranslation™ µSerDes™ ® UHC UniFET™ VCX™ Wire™ ™ DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS. 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 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 of the user. 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. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Definition Preliminary First Production This datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild Semiconductor. The datasheet is printed for reference information only. Rev. I26 ©1988 Fairchild Semiconductor Corporation 74F240, 74F244 Rev. 1.4 www.fairchildsemi.com 10 74F240, 74F244 Octal Buffers/Line Drivers with 3-STATE Outputs TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks.