IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES FAST CMOS OCTAL BUFFER/LINE DRIVER FEATURES: • • • • • • • • • IDT54/74FCT244T/AT/CT DESCRIPTION: Std., 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.) High Drive outputs (-15mA IOH, 64mA IOL) Meets or exceeds JEDEC standard 18 specifications Military product compliant to MIL-STD-883, Class B and DESC listed (dual marked) Power off disable outputs permit "live insertion" Available in the following packages: – Industrial: SOIC, SSOP, QSOP, TSSOP – Military: CERDIP, LCC The IDT octal buffer/line driver is built using an advanced dual metal CMOS technology. The FCT244T is designed to be employed as a memory and address driver, clock driver, and bus-oriented transmitter/ receiver which provides improved board density. FUNCTIONAL BLOCK DIAGRAM OE A OE B DA 0 OA 0 OB 0 DB 0 DA 1 OA 1 OB 1 DB 1 DA 2 OA 2 OB 2 DB 2 DA 3 OA 3 OB 3 DB 3 The IDT logo is a registered trademark of Integrated Device Technology, Inc. MILITARY AND INDUSTRIAL TEMPERATURE RANGES JUNE 2002 1 © 2002 Integrated Device Technology, Inc. DSC-5586/2 IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES 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 DA1 4 OB1 5 DA2 6 OB2 7 8 DA3 20 19 18 1 17 OA0 DB0 16 OA1 15 DB1 OA2 14 9 10 11 12 13 LCC TOP VIEW CERDIP/ SOIC/ SSOP/ QSOP/ TSSOP TOP VIEW PIN DESCRIPTION ABSOLUTE MAXIMUM RATINGS(1) Symbol Description Max Unit Pin Names VTERM(2) Terminal Voltage with Respect to GND –0.5 to +7 V OEA, OEB VTERM(3) Terminal Voltage with Respect to GND Description 3-State Output Enable Inputs (Active LOW) –0.5 to VCC+0.5 V Dxx Inputs TSTG Storage Temperature –65 to +150 °C Oxx Outputs IOUT DC Output Current –60 to +120 mA 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. FUNCTION TABLE(1) OEA L L H CAPACITANCE (TA = +25°C, F = 1.0MHz) Symbol Parameter(1) Conditions Typ. OEB 17 3 2 DB2 4 OB0 DA1 VCC OE B OA0 OA3 18 OEA 2 3 DA0 DB3 VCC 19 OB3 20 GND INDEX 1 OEA OB0 DA0 PIN CONFIGURATION Max. NOTE: 1. H = HIGH Voltage Level X = Don’t Care L = LOW Voltage Level Z = High Impedance Unit CIN Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 pF Inputs OEB L L H NOTE: 1. This parameter is measured at characterization but not tested. 2 D L H X Outputs L H Z IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial: TA = –40°C to +85°C, VCC = 5.0V ±5%; Military: TA = –55°C to +125°C, VCC = 5.0V ±10% 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 IIH Input HIGH Current(4) 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 VO = 2.7V — — ±1 µA IOZL (3-State output pins)(4) VO = 0.5V — — ±1 II VIK VH Input HIGH Current(4) Clamp Diode Voltage Input Hysteresis VCC = Max., VI = VCC (Max.) VCC = Min, IIN = -18mA — — — — –0.7 200 ±1 –1.2 — µA V mV ICC Quiescent Power Supply Current VCC = Max., VIN = GND or VCC — 0.01 1 µA Min. 2.4 Typ.(2) 3.3 Max. — Unit 2 3 — — 0.3 0.55 V –60 –120 –225 mA — OUTPUT DRIVE CHARACTERISTICS Symbol VOH Parameter Output HIGH Voltage VOL Output LOW Voltage IOS Short Circuit Current Test Conditions(1) VCC = Min IOH = –6mA MIL VIN = VIH or VIL IOH = –8mA IND IOH = –12mA MIL IOH = –15mA IND VCC = Min IOL = 48mA MIL VIN = VIH or VIL IOL = 64mA IND VCC = Max., VO = GND(3) V 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 IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES POWER SUPPLY CHARACTERISTICS Test Conditions(1) Min. Typ.(2) Max. Unit — 0.5 2 mA VIN = VCC VIN = GND — 0.15 0.25 mA/ MHz VCC = Max. Outputs Open fi = 10MHz VIN = VCC VIN = GND — 1.5 3.5 mA 50% Duty Cycle OEA = OEB = GND One Bit Toggling VIN = 3.4V VIN = GND — 1.8 4.5 VCC = Max. Outputs Open fi = 2.5MHz VIN = VCC VIN = GND — 3 6(5) 50% Duty Cycle OEA = OEB = GND Eight Bits Toggling VIN = 3.4V VIN = GND — 5 14(5) Symbol Parameter ∆ICC Quiescent Power Supply Current TTL Inputs HIGH VCC = Max. VIN = 3.4V(3) ICCD Dynamic Power Supply Current(4) VCC = Max. Outputs Open OEA = OEB = GND One Input Toggling 50% Duty Cycle Total Power Supply Current(6) IC 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 ∆ICC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ∆ICC DHNT + ICCD (fCP/2+ fiNi) ICC = Quiescent Current ∆ICC = 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 Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ Parameter Propagation Delay Dx to Ox Output Enable Time Condition(1) CL = 50pF RL = 500Ω Output Disable Time 54FCT244T Mil. Min.(2) Max. 1.5 7 54/74FCT244AT Ind. Mil. Min.(2) Max. Min.(2) Max. 1.5 4.8 1.5 5.1 54/74FCT244CT Ind. Mil. Min.(2) Max. Min.(2) Max. 1.5 4.1 1.5 4.6 Unit ns 1.5 8.5 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.5 ns 1.5 7.5 1.5 5.6 1.5 5.9 1.5 5.2 1.5 5.7 ns NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 4 IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES TEST CIRCUITS AND WAVEFORMS V CC SWITCH POSITION 7.0V 500Ω V OUT VIN Pulse Generator D.U.T . 50pF RT 500Ω 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. 3V 1.5V 0V 3V 1.5V 0V tREM tSU LOW-HIGH-LOW PULSE 1.5V tW 3V 1.5V 0V HIGH-LOW-HIGH PULSE 3V 1.5V 0V tH 1.5V Octal link Pulse Width 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 DISABLE 3V 1.5V CONTROL INPUT OUTPUT NORMALLY LOW 3V 1.5V 0V OUTPUT NORMALLY HIGH Octal link SWITCH CLOSED tPZH SWITCH OPEN 0V tPLZ tPZL VOH 1.5V VOL 3.5V 3.5V 1.5V 0.3V VOL tPHZ 0.3V 1.5V 0V 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 IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES ORDERING INFORMATION XXXX IDT XX FCT Device Type Temp. Range XX Package X Process CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 Blank B Industrial MIL-STD-883, Class B SO PY Q PG Industrial Options Small Outline IC Shrink Small Outline Package Quarter-size Small Outline Package Thin Shrink Small Outline Package D L Military Options CERDIP Leadless Chip Carrier 244T 244AT 244CT Fast CMOS Octal Buffer/Line Driver 54 74 – 55°C to +125°C – 40°C to +85°C for SALES: 800-345-7015 or 408-727-6116 fax: 408-492-8674 www.idt.com 6 for Tech Support: [email protected] (408) 654-6459