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CY74FCT162646ATPVC from CYPRESS, Cypress 37pcs , SSOP56,16-Bit Bus Transceivers and Registers with 3-State Outputs
Partno Mfg Dc Qty Available
CY74FCT162646ATPVC CYPRESS N/a 37
CY74FCT162646ATPVC from TI, Texas Instruments 155pcs , SSOP48,16-Bit Bus Transceivers and Registers with 3-State Outputs
CY74FCT162646ATPVC from CY, Cypress 52pcs , ssop56,16-Bit Bus Transceivers and Registers with 3-State Outputs

Features:. The I circuitry disables the outputs,applications using Ioff off• Balanced 24 mA output driverspreventing damaging current backflow through the device• Reduced system switching noisewhen it is powered down.• Typical V (ground bounce) <0.6V at V = 5V,OLP CCThe CY74FCT16646T is ideally suited for drivingT = 25˚CAhigh-capacitance loads and low-impedance backplanes.The CY74FCT162646T has 24-mA balanced output driverswith current limiting resistors in the outputs. This reduces theneed for external terminating resistors and provides forminimal undershoot and reduced ground bounce. TheCY74FCT162646T is ideal for driving transmission lines.Logic Functional Description•I supports partial-power-down mode operation The CY74FCT16646T and CY74FCT162646T 16-bitofftransceivers are three-state, D-type registers, and control• Edge-rate control circuitry for significantly improvedcircuitry arranged for multiplexed transmission of data directlynoise characteristicsfrom the input bus or from the internal registers. Data on the A• Typical output skew < 250 psor B bus will be clocked into the registers as the appropriate• ESD > 2000Vclock pin goes to a HIGH logic level. Output Enable (OE) and• TSSOP (19.6-mil pitch) and SSOP (25-mil pitch)direction pins (DIR) are provided to control the transceiverpackagesfunction. In the transceiver mode, data present at the high• Industrial temperature range of −40˚C to +85˚Cimpedance port may be stored in either the A or B register, or•V = 5V ± 10% in both. The select controls can multiplex stored and real-timeCC(transparent mode) data. The direction control determinesCY74FCT16646T Block DiagramsOE OE21DIR2DIR1CLKBA2CLKBA1SBA2SBA1CLKABCLKAB 21SAB2SAB1B REGB REGDDCCA2 1A REGB2 1A REGB1 1DA1 1DCCFCT16646-2TO 7 OTHER CHANNELSFCT16646-1TO 7 OTHER CHANNELSCopyright 2001, Texas Instruments IncorporatedCY74FCT16646TCY74FCT162646TPin ConfigurationSSOP/TSSOPTop ViewDIR OE1 1 56 12 55 CLKBA1CLKAB1SAB1 SBA3 54 1GND 4 53GNDA1 1 B5 52 1 1A1 2 B6 51 1 2VCCV7 50 CCA1 3B8 49 1 3A1 4B9 48 1 4A B1 5 1 510 47GND 11 46 GNDA B12 451 6 1 6A B13 44 1 71 7A B1 8 14 43 1 8A B15 42 2 12 1A16 41 B2 2 2 2BA 17 402 3 2 3GND 18 39GNDA2 4 B19 38 2 4A2 5 20 37 B2 5A2 621 36 B2 6V V22 35CC CCBA 23 34 2 72 7A B2 8 24 33 2 8GND 25 32 GNDSAB 26 31 SBA2 2CLKAB 27 302 CLKBA2OEDIR 28 29 22FCT16646-3Pin DescriptionPin Names DescriptionA Data Register A InputsData Register B OutputsB Data Register B InputsData Register A OutputsCLKAB, CLKBA Clock Pulse InputsSAB, SBA Output Data Source Select InputsDIR DirectionOE Output Enable (Active LOW)2CY74FCT16646TCY74FCT162646T[1]Function Table[2]Inputs Data I/OFunctionOE DIR CLKAB CLKBA SAB SBA A BH X H or L H or L X X Input Input IsolationH X X X Store A and B DataL L X X X L Output Input Real Time B Data to A BusL L X H or L X H Stored B Data to A BusL H X X L X Input Output Real Time A Data to BusL H H or L X H X Stored A Data to B BusBUS A BUS B BUS A BUS BDIR OE CLKAB CLKBA SAB SBA DIR OE CLKAB CLKBA SAB SBAL L X X X L H L X X L XReal-Time Transfer Real-Time TransferBus B to BusA BusA to Bus BBUS A BUS B BUS A BUS A[3]DIR OE SAB SBA DIR OE SAB SBACLKAB CLKBA CLKAB CLKBAH L X X X L L X HorL X HL L X X H L H XX HorL XX H X XStorage from Transfer Stored DataA and/or B to A and/or BNotes:1. H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care. = LOW-to-HIGH Transition2. The data output functions may be enabled or disabled by various signals at the OE or DIR inputs. Data input functions are always enabled, i.e., data at thebus pins will be stored on every LOW-to-HIGH transition on the clock inputs.3. Cannot transfer data to A-bus and B-bus simultaneously.3CY74FCT16646TCY74FCT162646T[4]DC Output Current

CY74FCT162646ATPVC ,16-Bit Bus Transceivers and Registers with 3-State OutputsBlock DiagramsOE OE21DIR2DIR1CLKBA2CLKBA1SBA2SBA1CLKABCLKAB 21SAB2SAB1B REGB REGDDCCA2 1A REGB2 1A ..
CY74FCT162646ATPVC ,16-Bit Bus Transceivers and Registers with 3-State OutputsFeatures:. The I circuitry disables the outputs,applications using Ioff off• Balanced 24 mA output ..
CY74FCT162646CTPVC ,16-Bit Bus Transceivers and Registers with 3-State OutputsElectrical Characteristics Over the Operating Range[5]Parameter Description Test Conditions Min. Ty ..
CY74FCT162646CTPVC ,16-Bit Bus Transceivers and Registers with 3-State OutputsMaximum Ratings(Maximum Sink Current/Pin) −60 to +120 mA(Above which the useful life may be impaire ..
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