IDTQS74FCT253AT HIGH-SPEED CMOS DUAL 4-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE HIGH-SPEED CMOS DUAL 4-INPUT MULTIPLEXER IDTQS74FCT253AT FEATURES: DESCRIPTION: − − − − − − − The IDTQS74FCT253AT is a high-speed CMOS TTL-compatible dual 4-input multiplexer with 3-state outputs. All inputs have clamp diodes for undershoot noise suppression. All outputs have ground bounce suppression. Outputs will not load an active bus when Vcc is removed from the device. CMOS power levels: <7.5mW static Undershoot clamp diodes on all inputs True TTL input and output compatibility Ground bounce controlled outputs Reduced output swing of 0 to 3.5V IOL = 48mA Available in SOIC and QSOP packages FUNCTIONAL BLOCK DIAGRAM EB EA S1 S0 I0A I1A I2A YA I3A I0B I1B I2B I3B YB INDUSTRIAL TEMPERATURE RANGE MARCH 2001 1 c 2001 Integrated Device Technology, Inc. DSC-5873/- IDTQS74FCT253AT HIGH-SPEED CMOS DUAL 4-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION EA 1 S1 2 I3A 3 SO16-1 SO16-7 SO16-8 16 V CC 15 EB 14 S0 13 I 3B 12 I 2B 11 I 1B I2A 4 I1A 5 I0A 6 YA 7 10 I 0B GND 8 9 YB (1) Symbol VTERM Description Terminal Voltage with Respect to GND Max. – 0.5 to +7 Unit V TSTG Storage Temperature – 65 to +150 °C IOUT DC Output Current Max Sink Current/Pin 120 mA IIK Input Diode Current, VIN < 0 – 20 mA IOK Output Diode Current, VOUT < 0 – 50 mA FCTL NOTE: 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. CAPACITANCE (TA = +25OC, f = 1.0MHz) Symbol CIN Parameter(1) Input Capacitance Conditions VIN = 0V Typ. 4 Max. — Unit pF COUT Output Capacitance VOUT = 0V 8 — pF FCT_2 SOIC/ QSOP TOP VIEW NOTE: 1. This parameter is measured at characterization but not tested. PIN DESCRIPTION Pin Names I0 - I7 I/O I Data In Description S0 - S1 I Select EA, EB I Enable YA, YB 0 Data Out FUNCTION TABLE Enable EA Select Outputs EB S1 S0 YA H X X X Z Z Disable A X H X X X Z Disable B L L L L I0A I0B S1- 0 = 0 L L L H I1A I1B S1- 0 = 1 L L H L I2A I2B S1- 0 = 2 L L H H I3A I3B S1- 0 = 3 NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don’t Care Z = High-Impedance 2 (1) YB Function IDTQS74FCT253AT HIGH-SPEED CMOS DUAL 4-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 VIH Parameter Input HIGH Level Test Conditions(1) Guaranteed Logic HIGH Level VIL Input LOW Level Guaranteed Logic LOW Level ∆VT Input Hysteresis VTLH - VTHL for all inputs IIH Input HIGH Current VCC = Max. 0 ≤ VIN < Vcc IIL Input LOW Current 0 ≤ VIN ≤ Vcc Min. 2 Typ.(2) — Max. — Unit V — — 0.8 V — 0.2 — V — — ±5 µA IOZ Off-State Output Current (Hi-Z) VCC = Max. — — ±5 µA IOS Short Circuit Current VCC = Max., VOUT = GND(2) -60 — — mA VIC Input Clamp Voltage VCC = Min., IIN = –18mA, TA = 25° C(2) — –0.7 –1.2 V VOH Output HIGH Voltage VCC = Min. IOH = -15mA 2.4 — — V VOL Output LOW Voltage VCC = Min. IOL = 48mA — — 0.5 V NOTES: 1. Typical values are at VCC = 5.0V, TA = 25°C. 2. This parameter is guaranteed but not tested. POWER SUPPLY CHARACTERISTICS Following Conditions Apply Unless Otherwise Specified: Industrial: TA = -40°C to +85°C, VCC = 5.0V ± 5% Symbol ICC Parameter Quiescent Power Supply Current ∆ICC Supply Current per Input TTL Inputs HIGH ICCD Supply Current per Input per MHz Test Conditions(1) VCC = Max. freq = 0 0V ≤ VIN ≤ 0.2V or Vcc-0.2V ≤ VIN ≤ Vcc VCC = Max. VIN = 3.4V(2) freq = 0 VCC = Max. Outputs Open and Enabled One Bit Toggling 50% Duty Cycle Other inputs at GND or Vcc(3,4) Min. Max. Unit — 1.5 mA — 2 mA — 0.25 mA/MHz FCTL NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. 2. Per TLL driven input (VIN = 3.4V). 3. For flip-flops, ICCD is measured by switching one of the data input pins so that the output changes every clock cycle. This is a measurement of device power consumption only and does not include power to drive load capacitance or tester capacitance. 4. 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 Output Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fi = Input Frequency Ni = Number of Inputs at fi All currents are in milliamps and all frequencies are in megahertz. 3 IDTQS74FCT253AT HIGH-SPEED CMOS DUAL 4-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE SWITCHING CHARACTERISTICS OVER OPERATING RANGE(1) Symbol tIY tSY tPZH tPZL tPHZ tPLZ Parameter(2) Propagation Delay In to Y Propagation Delay Sn to Y Output Enable Time E to Y Output Enable Time E to Y (3) Min. Max. Unit 1.5 5.2 ns 1.5 6.6 ns 1.5 6 ns 1.5 6 ns NOTES: 1. CLOAD = 50pF, RLOAD = 500Ω unless otherwise noted. 2. Minimums guaranteed but not tested. 3. This parameter is guaranteed by design but not tested. 4 IDTQS74FCT253AT HIGH-SPEED CMOS DUAL 4-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE TEST CIRCUITS AND WAVEFORMS SWITCH POSITION TEST CIRCUITS FOR ALL OUTPUTS V CC Test 7.0V Switch Open Drain 500 Ω Disable Low V OUT V IN Pulse Generator Closed Enable Low D.U.T. All Other Tests 50pF RT Open FCTL DEFINITIONS: CL = Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator. 500 Ω CL FC T L lin k PULSE WIDTH SET-UP, HOLD, AND RELEASE TIMES 3V 1.5V 0V 3V 1.5V 0V DATA INPUT tH t SU TIM ING INPUT ASYNCHR ONOUS CONTROL PRES ET CLEA R ETC. SYNCHRO NOUS CONTROL PRES ET CLEA R CLO CK ENABL E ETC. t REM t SU LOW -HIGH-LO W PULS E 1.5V tW 3V 1.5V 0V HIGH-LO W -HIGH PULS E 1.5V 3V 1.5V 0V tH FC T L lin k FC T L lin k PROPAGATION DELAY ENABLE AND DISABLE TIMES ENABLE 3V 1.5V SAM E PHASE INPUT TRANSITIO N t PLH t PHL OUTPUT t PLH OPPO SITE PHASE INPUT TRANSITIO N t PHL DISABLE 3V CONTROL INPUT 0V 1.5V t PZL V OH 1.5V V OL OUTPUT N OR M A LLY LOW 3V 1.5V 0V SW ITCH C LO SE D FC T L lin k SW ITCH OPEN 3.5V 3.5V 1.5V 0.3V t PZH OUTPUT N OR M A LLY HIGH 0V t PLZ V OL t PHZ 0.3V V OH 1.5V 0V 0V FC T L lin k NOTES: 1. Diagram shown for input Control Enable-LOW and input Control Disable-HIGH. 2. Pulse Generator for All Pulses: Rate ≤ 10MHz; Zo ≤ 50Ω; tF ≤ 2.5ns; tR ≤ 2.5ns. 5 IDTQS74FCT253AT HIGH-SPEED CMOS DUAL 4-INPUT MULTIPLEXER INDUSTRIAL TEMPERATURE RANGE ORDERING INFORMATION IDTQS XX Temp. R ange FCT XXXX XX D evice Type Package SO Q S1 Small Outline IC (gull w ing) (SO16-1) Q uarter Size Small O utline P ackage (SO16-7) Small Outline IC (gull w ing) (SO16-8) 253AT H igh-Speed C M O S D ual 4-Input Multiplexer 74 –40°C to +85°C CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 for SALES: 800-345-7015 or 408-727-6116 fax: 408-492-8674 www.idt.com* *To search for sales office near you, please click the sales button found on our home page or dial the 800# above and press 2. The IDT logo is a registered trademark of Integrated Device Technology, Inc. 6