DATASHEET SEARCH SITE | WWW.ALLDATASHEET.COM

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 6

Technical content

MILITARY AND INDUSTRIAL TEMPERATURE RANGES IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER DECEMBER 2016MILITARY AND INDUSTRIAL TEMPERATURE RANGES IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. FEATURES:

  • Std., A, and C grades
  • Low input and output leakage ≤≤≤≤≤1µA (max.)
  • CMOS power levels
  • True TTL input and output compatibility: OH = 3.3V (typ.) –V OL = 0.3V (typ.)
  • High Drive outputs (-15mA I OH, 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 FUNCTIONAL BLOCK DIAGRAM IDT54/74FCT244T/AT/CTFAST CMOS OCTAL BUFFER/LINE DRIVER DESCRIPTION: 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. DA0 OB0 DA1 OB1 DA2 OB2 DA3 OB3 OEB OA0 DB0 OA1 DB1 OA2 DB2 OA3 DB3 OEA DSC-5586/5© 2016 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.

MILITARY AND INDUSTRIAL TEMPERATURE RANGES IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER PIN CONFIGURATION Symbol Description Max Unit VTERM(2) Terminal Voltage with Respect to GND –0.5 to +7 V VTERM(3) Terminal Voltage with Respect to GND –0.5 to V CC+0.5 V TSTG Storage Temperature –65 to +150 °C IOUT DC Output Current –60 to +120 mA ABSOLUTE MAXIMUM RATINGS(1) 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. Pin Names Description OEA, OEB 3-State Output Enable Inputs (Active LOW) D x x Inputs O x x Outputs PIN DESCRIPTION Symbol Parameter (1) Conditions Typ. Max. Unit CIN Input Capacitance V IN = 0V 6 10 pF COUT Output Capacitance V OUT = 0V 8 12 pF CAPACITANCE (TA = +25°C, F = 1.0MHz) NOTE: 1. This parameter is measured at characterization but not tested. NOTE: 1. H = HIGH Voltage Level X = Don’t Care L = LOW Voltage Level Z = High Impedance FUNCTION TABLE(1) Inputs OEA OEB D Outputs LL L L LL H H HH X Z CERDIP/ SOIC/ SSOP/ QSOP/ TSSOP TOP VIEW DA0 OB0 DA1 OB1 DA2 OB2 DA3 OB3 GND OA0 DB0 OA1 DB1 DB2 DB3 OA2 OA3 VCC1 10 11 OE B OEA INDEX OA0 DB0 OA1 DB1 OA2 OB3 GND DB2 DB3 OA3 OB0 DA0 OEA VCC OEB DA1 OB1 DA2 OB2 DA3 8 9 10 11 12 13 1920 LCC TOP VIEW

MILITARY AND INDUSTRIAL TEMPERATURE RANGES IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER Symbol Parameter Test Conditions (1) 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. V I = 2.7V — — ±1µ A IIL Input LOW Current(4) VCC = Max. V I = 0.5V — — ±1µ A IOZH High Impedance Output Current V CC = Max V O = 2.7V — — ±1µ A IOZL (3-State output pins)(4) VO = 0.5V — — ±1 II Input HIGH Current(4) VCC = Max., V I = VCC (Max.) — — ±1µ A VIK Clamp Diode Voltage V CC = Min, IIN = -18mA — –0.7 –1.2 V VH Input Hysteresis — — 200 — mV ICC Quiescent Power Supply Current V CC = Max., V IN = GND or V CC — 0.01 1 mA 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% NOTES: 1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable dev ice type. 2. Typical values are at V CC = 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 T A = –55°C. Symbol Parameter Test Conditions (1) Min. Typ.(2) Max. Unit VOH Output HIGH Voltage V CC = Min I OH = –6mA MIL 2.4 3.3 — VIN = VIH or VIL IOH = –8mA IND V IOH = –12mA MIL 2 3 — IOH = –15mA IND VOL Output LOW Voltage V CC = Min I OL = 48mA MIL — 0.3 0.55 V VIN = VIH or VIL IOL = 64mA IND IOS Short Circuit Current V CC = Max., V O = GND(3) –60 –120 –225 mA OUTPUT DRIVE CHARACTERISTICS

MILITARY AND INDUSTRIAL TEMPERATURE RANGES IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER Symbol Parameter Test Conditions(1) Min. Typ.(2) Max. Unit ΔICC Quiescent Power Supply Current V CC = Max. — 0.5 2 mA TTL Inputs HIGH V IN = 3.4V(3) ICCD Dynamic Power Supply V CC = Max. V IN = VCC — 0.15 0.25 mA/ Current(4) Outputs Open V IN = GND MHz OEA = OEB = GND One Input Toggling 50% Duty Cycle IC Total Power Supply Current(6) VCC = Max. V IN = VCC — 1.5 3.5 mA Outputs Open V IN = GND fi = 10MHz 50% Duty Cycle V IN = 3.4V — 1.8 4.5 OEA = OEB = GND V IN = GND One Bit Toggling VCC = Max. V IN = VCC —3 6 (5) Outputs Open V IN = GND fi = 2.5MHz 50% Duty Cycle V IN = 3.4V — 5 14 (5) OEA = OEB = GND V IN = GND Eight Bits Toggling NOTES: 1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable dev ice type. 2. Typical values are at V CC = 5.0V, +25°C ambient. 3. Per TTL driven input; (V IN = 3.4V). All other inputs at V CC 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 ΔI CC formula. These limits are guaranteed but not tested. 6. I C = IQUIESCENT + IINPUTS + IDYNAMIC IC = I CC + ΔICC DHNT + I CCD (f CP/2+ fiNi) ICC = Quiescent Current ΔICC = Power Supply Current for a TTL High Input (V IN = 3.4V) DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at D H 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 f i All currents are in milliamps and all frequencies are in megahertz. POWER SUPPLY CHARACTERISTICS NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 54FCT244T 54/74FCT244AT 54/74FCT244CT tPHL Dx to Ox R L = 500Ω tPZL tPLZ SWITCHING CHARACTERISTICS OVER OPERATING RANGE

MILITARY AND INDUSTRIAL TEMPERATURE RANGES IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER Pulse Generator R T D.U.T VCC VIN C L VOUT 50pF 500W 500W 7.0V 1.5V 1.5V 1.5V 1.5V DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL tSU tH tREM tSU tH HIGH-LOW-HIGH PULSE LOW-HIGH-LOW PULSE tW 1.5V 1.5V SAME PHASE INPUT TRANSITION 1.5V 1.5V VOH tPLH OUTPUT OPPOSITE PHASE INPUT TRANSITION 1.5V tPLH tPHL tPHL VOL CONTROL INPUT 1.5V 3.5V OUTPUT NORMALLY LOW OUTPUT NORMALLY HIGH SWITCH CLOSED SWITCH OPEN VOL 0.3V 0.3V tPLZtPZL tPZH tPHZ 3.5V 1.5V 1.5V ENABLE DISABLE VOH PRESET CLEAR CLOCK ENABLE ETC. Octal Link Octal Link Octal Link Octal Link Octal Link TEST CIRCUITS AND WAVEFORMS Propagation Delay Test Circuits for All Outputs Enable and Disable Times Set-Up, Hold, and Release Times Pulse Width NOTES: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. Test Switch Open Drain Disable Low Closed Enable Low All Other Tests Open SWITCH POSITION DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to Z OUT of the Pulse Generator.

MILITARY AND INDUSTRIAL TEMPERATURE RANGES IDT54/74FCT244T/AT/CT FAST CMOS OCTAL BUFFER/LINE DRIVER

ORDERING INFORMATION

Temp. Range FCT XXXX Device Type XX Package X Process Fast CMOS Octal Buffer/Line Driver244T 244AT 244CT SO PY Q PG Industrial Options Small Outline IC (PSG20) Shrink Small Outline Package (PYG20) Quarter-size Small Outline Package (PCG20) Thin Shrink Small Outline Package (PGG20) D L Military Options CERDIP (CD20) Leadless Chip Carrier (LC20) Blank B Industrial MIL-STD-883, Class B −55°C to +125°C −40°C to +85°C Tube Tape and Reel Blank X GreenG X CORPORATE HEADQUARTERS for SALES: for Tech Support: 6024 Silver Creek Valley Road 800-345-7015 or 408-284-8200 logichelp@idt.com San Jose, CA 95138 fax: 408-284-2775 www.idt.com Datasheet Document History 09/29/2009 Pg. 6 Updated the ordering information by removing the "IDT" notation and non RoHS part. 12/12/2016 Pg. 6. Updated the ordering information by adding detailed package information and Tape & Reel.