74FCT2244ATQG

IDT74FCT2244AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER INDUSTRIAL TEMPERATURE RANGE FAST CMOS OCTAL BUFFER/LINE DRIVER FEATURES: • • • • • • • • IDT74FCT2244AT/CT DESCRIPTION: A and C grades Low input and output leakage ≤1µA (max.) CMOS power levels True TTL input and output compatibility: – VOH = 3.3V (typ.) – VOL = 0.3V (typ.) Meets or exceeds JEDEC standard 18 specifications Resistor outputs (-15mA IOH, 12mA IOL) Reduced system switching noise Available in SOIC and QSOP packages The IDT octal buffer/line driver is built using an advanced dual metal CMOS technology. The FCT2244T is designed to be employed as a memory and address driver, clock driver, and bus-oriented transmitter/ receiver which provides improved board density. The FCT2244T has balanced output drive with current limiting resistors. This offers low ground bounce, minimal undershoot, and controlled output fall times, reducing the need for external series terminating resistors. The FCT2244T is a plug-in replacement for the FCT244T. FUNCTIONAL BLOCK DIAGRAM OEA OEB DA0 OA0 OB0 DB0 DA1 OA1 OB1 DB1 DA2 OA2 OB2 DB2 DA3 OA3 OB3 DB3 IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE NOVEMBER 2016 1 © 2016 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. DSC-5587/11 IDT74FCT2244AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER INDUSTRIAL TEMPERATURE RANGE ABSOLUTE MAXIMUM RATINGS(1) PIN CONFIGURATION Symbol Description VTERM(2) Max Unit Terminal Voltage with Respect to GND –0.5 to +7 V Terminal Voltage with Respect to GND –0.5 to VCC+0.5 V OEA 1 20 VCC VTERM(3) DA0 2 3 19 OEB TSTG Storage Temperature –65 to +150 °C 18 IOUT DC Output Current –60 to +120 mA OA0 4 17 DB0 OB1 5 16 OA1 DA2 6 15 OB2 7 14 DB1 OA2 DA3 8 13 DB2 OB3 GND 9 12 OA3 10 11 DB3 OB0 DA1 NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. No terminal voltage may exceed Vcc by +0.5V unless otherwise noted. 2. Inputs and Vcc terminals only. 3. Output and I/O terminals only. CAPACITANCE (TA = +25°C, F = 1.0MHz) Parameter(1) Symbol SOIC / QSOP TOP VIEW Conditions Typ. Max. CIN Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 pF NOTE: 1. This parameter is measured at characterization but not tested. PIN DESCRIPTION Pin Names OEA, OEB Description 3-State Output Enable Inputs (Active LOW) Dxx Inputs Oxx Outputs FUNCTION TABLE(1) OEA L L H Inputs OEB L L H NOTE: 1. H = HIGH Voltage Level X = Don’t Care L = LOW Voltage Level Z = High Impedance 2 Unit D L H X Outputs L H Z IDT74FCT2244AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER INDUSTRIAL TEMPERATURE RANGE DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial: TA = –40°C to +85°C, VCC = 5.0V ±5% Symbol Test Conditions(1) Parameter Min. Typ.(2) Max. Unit VIH Input HIGH Level Guaranteed Logic HIGH Level 2 — — V VIL Input LOW Level Guaranteed Logic LOW Level — — 0.8 V Current(4) IIH Input HIGH VCC = Max. VI = 2.7V — — ±1 µA IIL Input LOW Current(4) VCC = Max. VI = 0.5V — — ±1 µA IOZH High Impedance Output Current VCC = Max. VI = 2.7V — — ±1 µA IOZL (3-State Output Pins)(4) VI = 0.5V — — ±1 II Input HIGH Current(4) VCC = Max., VI = VCC (Max.) — — ±1 VIK Clamp Diode Voltage VCC = Min., IIN = –18mA — –0.7 –1.2 V VH Input Hysteresis — 200 — mV ICC Quiescent Power Supply Current — 0.01 1 mA Min. 16 -16 2.4 Typ.(2) 48 -48 3.3 Max. — — — Unit mA mA V — 0.3 0.5 V — VCC = Max. VIN = GND or VCC µA OUTPUT DRIVE CHARACTERISTICS Symbol IODL IODH VOH VOL Parameter Output LOW Current Output HIGH Current Output HIGH Voltage Output LOW Voltage Test Conditions(1) VCC = 5V, VIN = VIH or VIL, VOUT = 1.5V(3) VCC = 5V, VIN = VIH or VIL, VOUT = 1.5V(3) VCC = Min IOH = –15mA VIN = VIH or VIL VCC = Min IOL = 12mA VIN = VIH or VIL NOTES: 1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5.0V, +25°C ambient. 3. Not more than one output should be tested at one time. Duration of the test should not exceed one second. 4. The test limit for this parameter is ±5μA at TA = -55°C. 3 IDT74FCT2244AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER INDUSTRIAL TEMPERATURE RANGE POWER SUPPLY CHARACTERISTICS Test Conditions(1) Min. Typ.(2) Max. Unit — 0.5 2 mA VIN = VCC VIN = GND — 0.06 0.12 mA/ MHz VCC = Max. Outputs Open fi = 10MHz VIN = VCC VIN = GND — 0.6 2.2 mA 50% Duty Cycle OEA or OEB = GND One Bit Toggling VIN = 3.4V VIN = GND — 0.9 3.2 VCC = Max. Outputs Open fi = 2.5MHz VIN = VCC VIN = GND — 1.2 3.4(5) 50% Duty Cycle OEA or OEB = GND Four Bits Toggling VIN = 3.4V VIN = GND — 3.2 11.4(5) Symbol Parameter ΔICC Quiescent Power Supply Current TTL Inputs HIGH VCC = Max. VIN = 3.4V(3) ICCD Dynamic Power Supply Current(4) VCC = Max. Outputs Open OEA or OEB = GND One Input Toggling 50% Duty Cycle IC Total Power Supply Current(6) NOTES: 1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5.0V, +25°C ambient. 3. Per TTL driven input (VIN = 3.4V). All other inputs at VCC or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 5. Values for these conditions are examples of ΔICC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ΔICC DHNT + ICCD (fCP/2+ fiNi) ICC = Quiescent Current ΔICC = Power Supply Current for a TTL High Input (VIN = 3.4V) DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fi = Output Frequency Ni = Number of Outputs at fi All currents are in milliamps and all frequencies are in megahertz. SWITCHING CHARACTERISTICS OVER OPERATING RANGE 74FCT2244AT Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ 74FCT2244CT Parameter Condition(1) Min.(2) Max. Min.(2) Max. Unit Propagation Delay Dx to Ox Output Enable Time CL = 50pF RL = 500Ω 1.5 4.8 1.5 4.1 ns 1.5 6.2 1.5 5.8 ns 1.5 5.6 1.5 5.2 ns Output Disable Time NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 4 IDT74FCT2244AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER INDUSTRIAL TEMPERATURE RANGE TEST CIRCUITS AND WAVEFORMS V CC SWITCH POSITION 7.0V 500W V OUT VIN Pulse Generator D.U.T . 50pF RT 500W Test Switch Open Drain Disable Low Enable Low Closed All Other Tests Open DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. CL Octal Link Test Circuits for All Outputs DATA INPUT tH tSU TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL PRESET CLEAR CLOCK ENABLE ETC. tREM tSU 3V 1.5V 0V 3V 1.5V 0V LOW-HIGH-LOW PULSE tW 3V 1.5V 0V HIGH-LOW-HIGH PULSE 3V 1.5V 0V tH 1.5V 1.5V Pulse Width Octal Link Octal Link Set-Up, Hold, and Release Times ENABLE SAME PHASE INPUT TRANSITION tPLH tPHL OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL 3V 1.5V 0V VOH 1.5V VOL DISABLE 3V 1.5V 0V CONTROL INPUT tPZL OUTPUT NORMALLY LOW 3V 1.5V 0V SWITCH CLOSED tPLZ 3.5V 1.5V tPZH OUTPUT NORMALLY HIGH SWITCH OPEN 3.5V 0.3V VOL tPHZ 0.3V 1.5V 0V Octal Link VOH 0V Octal Link Propagation Delay Enable and Disable Times NOTES: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. 2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; tF ≤ 2.5ns; tR ≤ 2.5ns. 5 IDT74FCT2244AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION FCT XX Temperature Range XXXX XX Device Type Package X X Blank 8 Tube Tape and Reel G Green SO Q Small Outline IC (PSG20) Quarter-size Small Outline Package (PCG20) 2244AT 2244CT Fast CMOS Octal Buffer/Line Driver 74 −40°C to +85°C Datasheet Document History 09/28/2009 09/26/2011 11/26/2016 Pg. 6 Pg. 2,6 Pg. 6 Updated the ordering information by removing the "IDT" notation and non RoHS part. Correct Outputs in Function Table. Updated ordering information to include tube or tray and tape & reel. 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