74FCT157ATQG

IDT74FCT157AT/CT/DT FAST CMOS QUAD 2-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE FAST CMOS QUAD 2-INPUT MULTIPLEXER DESCRIPTION: FEATURES: • • • • • • • • IDT74FCT157AT/CT/DT OBSOLETE PART The FCT157T is a high-speed quad 2-input multiplexer built using an advanced dual metal CMOS technology. Four bits of data from two sources can be selected using the common select input. The four buffered outputs present the selected data in the true (non-inverting) form. The FCT157T has a common, active-low, enable input. When the enable input is not active, all four outputs are held low. A common application of FCT157T is to move data from two different groups of registers to a common bus. Another application is as a function generator. The FCT157T can generate any four of the 16 different functions of two variables with one variable common. A, C, and D 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, 48mA IOL) Meets or exceeds JEDEC standard 18 specifications Power off disable outputs permit "live insertion" Available in SOIC and QSOP packages R T O R F A P ED E D T S N E N E L G M O I S M S B E O O EC D R EW T N O N FUNCTIONAL BLOCK DIAGRAM S E Three other multiplexers I1B I1D Z B ZD I0B I0D I1A ZA I0A INDUSTRIAL TEMPERATURE RANGE AUGUST 2009 1 © 2009 Integrated Device Technology, Inc. DSC-5502/6 IDT74FCT157AT/CT/DT FAST CMOS QUAD 2-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE ABSOLUTE MAXIMUM RATINGS(1) PIN CONFIGURATION S 1 16 VCC I0A 2 15 E I1A 3 14 I0C ZA 4 13 I1C I0B 5 12 ZC I1B 6 11 I0D ZB 7 10 I1D GND 8 9 ZD Symbol Description VTERM(2) Max Unit VTERM(3) Terminal Voltage with Respect to GND –0.5 to +7 V Terminal Voltage with Respect to GND –0.5 to VCC+0.5 V TSTG Storage Temperature –65 to +150 °C 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. CAPACITANCE (TA = +25°C, F = 1.0MHz) Parameter(1) Symbol 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. SOIC/ QSOP TOP VIEW PIN DESCRIPTION Pin Names Description I0A - I0D Source 0 Data Inputs I1A - I1D Source 1 Data Inputs Enable Input (Active LOW) E S Select Input ZA - ZD Outputs FUNCTION TABLE(1) Inputs E H L L L L S X H H L L NOTE: 1. H = HIGH Voltage Level X = Don’t Care L = LOW Voltage Level Z = High Impedance 2 Unit I0 X X X L H I1 X L H X X Outputs Zx L L H L H IDT74FCT157AT/CT/DT FAST CMOS QUAD 2-INPUT MULTIPLEXER 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) 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 High Impedance Output Current(4) VCC = Max., VI = VCC (Max.) VI = 2.7V — — ±1 µA VI = 0.5V — — ±1 — — ±1 — –0.7 –1.2 V — 200 — mV — 0.01 1 mA Min. 2.4 2 — Typ.(2) 3.3 3 0.3 Max. — — 0.5 Unit V –60 –120 –225 mA — — ±1 µA IOZH Parameter IOZL II Input HIGH Current(4) VCC = Max., VI = VCC (Max.) VIK Clamp Diode Voltage VCC = Min., IIN = –18mA VH Input Hysteresis ICC Quiescent Power Supply Current — VCC = Max. VIN = GND or VCC µA OUTPUT DRIVE CHARACTERISTICS Symbol VOH Parameter Output HIGH Voltage Test Conditions(1) IOH = –8mA IOH = –15mA IOL = 48mA VOL Output LOW Voltage IOS Short Circuit Current VCC = Min VIN = VIH or VIL VCC = Min VIN = VIH or VIL VCC = Max., VO = GND(3) IOFF Input/Output Power Off Leakage(5) VCC = 0V, VIN or VO ≤ 4.5V 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. 5. This parameter is guaranteed but not tested. 3 V IDT74FCT157AT/CT/DT FAST CMOS QUAD 2-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE 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 fo = 10MHz VIN = VCC VIN = GND — 1.5 3.5 mA 50% Duty Cycle E = GND One Bit Toggling VIN = 3.4V VIN = GND — 1.8 4.5 VCC = Max. Outputs Open fo = 2.5MHz VIN = VCC VIN = GND — 1.5 3.5(5) 50% Duty Cycle E = GND Four Bits Toggling VIN = 3.4V VIN = GND — 2.5 7.5(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 E = GND One Input Toggling 50% Duty Cycle IC Total Power Supply Current(6) mA 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 (fONO) 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) fO = Output Frequency NO = Number of Outputs at fO All currents are in milliamps and all frequencies are in megahertz. SWITCHING CHARACTERISTICS OVER OPERATING RANGE Symbol tPLH tPHL tPLH tPHL tPLH tPHL IDT74FCT151AT IDT74FCT151CT IDT74FCT151DT Parameter Condition(1) Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit Propagation Delay Ix to Zx Propagation Delay E to Zx Propagation Delay S to Zx CL = 50pF RL = 500Ω 1.5 5 1.5 4.3 1.5 3.9 ns 1.5 6 1.5 4.8 1.5 4.4 ns 1.5 7 1.5 5.2 1.5 4.6 ns NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 4 IDT74FCT157AT/CT/DT FAST CMOS QUAD 2-INPUT MULTIPLEXER 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 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. 5 IDT74FCT157AT/CT/DT FAST CMOS QUAD 2-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION XX FCT Temperature Range XXXX Device Type X Package SOG QG Small Outline IC (300 mil) - Green Quarter-size Small Outline Package - Green 157AT Quad 2-Input Multiplexer 157CT 157DT 74 - 40 C to +85 C Datasheet Document History 09/06/2009 01/23/2015 07/22/2019 Pg.6 Updated the ordering information by removing the "IDT" notation and non RoHS part. PDN# CQ-15-01 issued. See IDT.com for PDN specifics. Datasheet changed to Obsolete Status. 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