|Category||Logic => Bus Interface => Bus Oriented Circuits|
|Title||Bus Oriented Circuits|
|Description||Octal Buffer/line Driver With 3-STATE Outputs|
|Datasheet||Download 74AC240 datasheet
|Cross ref.||Similar parts: 74AC240B, 74AC240D, 74AC240MTR, 74AC240PW, 74AC240TTR, CD54AC240F, CD54AC240F/3A, CD54AC240F3A, CD54AC240FX, CD74AC240E|
The is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density.Features
s ICC and IOZ reduced 50% s Inverting 3-STATE outputs drive bus lines or buffer memory address registers s Outputs source/sink s ACT240 has TTL-compatible inputs
Order Number 74ACT240MTC 74ACT240PC Package Number MTC20 N20A Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,4.4mm 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 Body 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,4.4mm Wide 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Device also available in Tape and Reel. Specify by appending suffix letter "X" to the ordering code.Pin Names I0I7 O0O7 Description 3-STATE Output Enable Inputs Outputs
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
Supply Voltage (VCC ) DC Input Diode Current (IIK) VI = VCC 0.5V DC Input Voltage (VI) DC Output Diode Current (IOK) VO = VCC 0.5V DC Output Voltage (VO) DC Output Source or Sink Current (IO) DC VCC or Ground Current per Output Pin (ICC or IGND) Storage Temperature (TSTG) Junction Temperature (TJ) PDIP -0.5V to VCC -0.5V to VCC to +7.0V
Supply Voltage (VCC) AC ACT Input Voltage (VI) Output Voltage (VO) Operating Temperature (TA) Minimum Input Edge Rate (V/t) AC Devices VIN from 70% of VCC 4.5V, 5.5V Minimum Input Edge Rate (V/t) ACT Devices VIN from to 2.0V VCC 0V to VCC 0V to VCC to +85°C
Note 1: Absolute maximum ratings are those values beyond which damage to the device may occur. The databook specifications should be met, without exception, to ensure that the system design is reliable over its power supply, temperature, and output/input loading variables. Fairchild does not recommend operation of FACT circuits outside databook specifications.
Symbol VIH Parameter Minimum HIGH Level Input Voltage VIL Maximum LOW Level Input Voltage VOH Minimum HIGH Level Output Voltage VCC (V) VOL Maximum LOW Level Output Voltage IIN (Note 4) IOZ Maximum Input Leakage Current Maximum 3-STATE Leakage Current IOLD IOHD Minimum Dynamic Output Current (Note = +25°C Typ to +85°C Guaranteed Limits VIN = VIL or VIH VIN = VIL or VIH µA V IOL 12 mA IOL 24 mA IOL 24 mA (Note VI = VCC, GND VI (OE) = VIL, VIH VI = VCC, GND VO = VCC, GND VOLD = 1.65V Max VOHD = 3.85V Min VIN = VCC or GND V IOUT µA V IOH -12 mA IOH -24 mA IOH -24 mA (Note 2) V IOUT µA V VOUT 0.1V or VCC 0.1V V Units Conditions VOUT 0.1V or VCC - 0.1V
Note 2: All outputs loaded; thresholds on input associated with output under test. Note 3: Maximum test duration 2.0 ms, one output loaded at a time. Note 4: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
Symbol VIH VIL VOH Parameter Minimum HIGH Level Input Voltage Maximum LOW Level Input Voltage Minimum HIGH Level Output Voltage VCC (V) VOL Maximum LOW Level Output Voltage IIN IOZ ICCT IOLD IOHD ICC Maximum Input Leakage Current Maximum 3-STATE Leakage Current Maximum ICC/Input Minimum Dynamic Output Current (Note 6) Maximum Quiescent Supply Current = +25°C Typ to +85°C Guaranteed Limits µA V Units V Conditions VOUT 0.1V or VCC - 0.1V VOUT 0.1V or VCC - 0.1V IOUT -50 µA VIN = VIL or VIH V IOH -24 mA IOH -24 mA (Note 5) IOUT 50 µA VIN = VIL or VIH V IOL 24 mA IOL 24 mA (Note VI = VCC, GND VI = VIL, VIH VO = VCC, GND VI = VCC - 2.1V VOLD = 1.65V Max VOHD = 3.85V Min VIN = VCC or GND
Note 5: All outputs loaded; thresholds on input associated with output under test. Note 6: Maximum test duration 2.0 ms, one output loaded at a time.
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