74FCT245ATPYG

IDT54/74FCT245T/AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER FEATURES: • • • • • • • • • IDT54/74FCT245T/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 bidirectional transceivers are built using an advanced dual metal CMOS technology. The FCT245T is designed for asynchronous twoway communication between data buses. The transmit/receive (T/R) input determines the direction of data flow through the bidirectional transceiver. Transmit (active high) enables data from A ports to B ports, and receive (active low) from B ports to A ports. The output enable (OE) input, when high, disables both A and B ports by placing them in high Z condition. FUNCTIONAL BLOCK DIAGRAM T/R OE A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc. MILITARY AND INDUSTRIAL TEMPERATURE RANGES DECEMBER 2016 1 DSC-5510/7 IDT54/74FCT245T/AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES 3 18 B0 A2 4 B1 17 A3 5 16 B2 A4 6 15 B3 A5 7 14 B4 A6 8 13 B5 A7 9 12 B6 10 11 B7 GND 3 2 1 19 18 B0 A2 A3 5 17 B1 A4 6 16 B2 A5 7 15 B3 A6 8 14 B4 9 10 11 12 13 LCC TOP VIEW PIN DESCRIPTION ABSOLUTE MAXIMUM RATINGS(1) Description 20 4 CERDIP/ SOIC/ SSOP/ QSOP/ TSSOP TOP VIEW Symbol OE A1 B5 OE VCC 19 B6 2 T/R A0 INDEX B7 VCC A0 20 GND 1 A7 T/R A1 PIN CONFIGURATION Max Unit Pin Names VTERM(2) Terminal Voltage with Respect to GND –0.5 to +7 V OE VTERM(3) Terminal Voltage with Respect to GND Description Output Enable Inputs (Active LOW) –0.5 to VCC+0.5 V T/R TSTG Storage Temperature –65 to +150 °C A0 - A7 Side A Inputs or 3-State Outputs IOUT DC Output Current –60 to +120 mA B0 - B7 Side B Inputs or 3-State Outputs 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) Inputs OE L L H CAPACITANCE (TA = +25°C, F = 1.0MHz) Symbol Parameter(1) Conditions Typ. Max. Input Capacitance VIN = 0V 6 10 pF COUT Output Capacitance VOUT = 0V 8 12 pF T/R L H X NOTE: 1. H = HIGH Voltage Level X = Don’t Care L = LOW Voltage Level Z = High Impedance Unit CIN Transmit/Recieve Input NOTE: 1. This parameter is measured at characterization but not tested. 2 Outputs Bus B Data to Bus A Bus A Data to Bus B High Z State IDT54/74FCT245T/AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER 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 mA 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 IOH = –8mA IND VIN = VIH or VIL 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 IDT54/74FCT245T/AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER 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 OE = T/R = 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 OE = T/R = GND Eight Bits Toggling VIN = 3.4V VIN = GND — 5 14(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 OE = T/R = 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 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. 4 IDT54/74FCT245T/AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES SWITCHING CHARACTERISTICS OVER OPERATING RANGE - INDUSTRIAL Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tPZH tPZL tPHZ tPLZ 74FCT245AT Min.(2) Max. 1.5 4.6 Condition(1) CL = 50pF RL = 500Ω Parameter Propagation Delay A to B, B to A Output Enable Time OE to A or B Output Disable Time OE to A or B Output Enable Time T/R to A or B(3) Output Disable Time T/R to A or B(3) 74FCT245CT Min.(2) Max. 1.5 4.1 Unit ns 1.5 6.2 1.5 5.8 ns 1.5 5 1.5 4.8 ns 1.5 6.2 1.5 5.8 ns 1.5 5 1.5 4.8 ns SWITCHING CHARACTERISTICS OVER OPERATING RANGE - MILITARY Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tPZH tPZL tPHZ tPLZ Parameter Propagation Delay A to B, B to A Output Enable Time OE to A or B Output Disable Time OE to A or B Output Enable Time T/R to A or B(3) Output Disable Time T/R to A or B(3) Condition(1) CL = 50pF RL = 500Ω 54FCT245T Min.(2) Max. 1.5 7.5 54FCT245AT Min.(2) Max. 1.5 4.9 54FCT245CT Min.(2) Max. 1.5 4.5 Unit ns 1.5 10 1.5 6.5 1.5 6.2 ns 1.5 10 1.5 6 1.5 5.2 ns 1.5 10 1.5 6.5 1.5 6.2 ns 1.5 10 1.5 6 1.5 5.2 ns NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. This parameter is guaranteed but not tested. 5 IDT54/74FCT245T/AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES 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 1.5V tW 3V 1.5V 0V HIGH-LOW-HIGH PULSE 1.5V 3V 1.5V 0V tH 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. 6 IDT54/74FCT245T/AT/CT FAST CMOS OCTAL BIDIRECTIONAL TRANSCEIVER MILITARY AND INDUSTRIAL TEMPERATURE RANGES ORDERING INFORMATION XXXX XX FCT Device Type Temp. Range XX Package X Process X X Blank 8 Tube Tape and Reel G Green Blank B Industrial MIL-STD-883, Class B 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) 245T 245AT 245CT Fast CMOS Octal Bidirectional Transceiver 54 74 −55°C to +125°C −40°C to +85°C Datasheet Document History 09/29/2009 12/12/2016 Pg. 7 Pg. 7 Updated the ordering information by removing the "IDT" notation and non RoHS part. 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