Fast CMOS Registered Transceiver CD29FCT52T 8-bit registered tran
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CD29FCT52T
Fast CMOS Registered Transceiver
CD29FCT52T 8-bit registered transceiver designed with 8-bit back-to-back registers store data flowing both directions between bidirectional buses. Separate clock enable three-state output enable signals provided each register.
December 1996
Features
Advanced micron CMOS Technology These Devices Compatible With Bipolar FASTSeries Higher Speed Lower Power Consumption Input Output Levels Extremely Static Power Hysteresis Inputs
Ordering Information
PART NUMBER CD29FCT52ACD29FCT52ATQM CD29FCT52BCD29FCT52BTQM TEMP. RANGE (oC) PACKAGE SOIC QSOP SOIC QSOP PKG. M24.3-P M24.15-P M24.3-P M24.15-P
NOTE: QSOP commonly known SSOP. When ordering, entire part number. suffix obtain variant tape reel.
Pinout
CD29FCT52T (QSOP, SOIC) VIEW
CAUTION: These devices sensitive electrostatic discharge. Users should follow proper Handling Procedures. FASTis trademark Fairchild Semiconductor. Copyright Harris Corporation 1996
File Number
4163.1
CD29FCT52T Functional Block Diagram
CD29FCT52T
REGISTER
REGISTER
TRUTH TABLE (NOTE INPUTS FUNCTION Hold Data Load Data NOTE: HIGH Voltage Level Voltage Level Don't Care High Impedance Change LOW-to-HIGH Transition INTERNAL FUNCTION Disable Outputs Enable Outputs
OUTPUT CONTROL TABLE INTERNAL Y-OUTPUTS CD29FCT52T
CD29FCT52T Descriptions
NAME A0-A7 B0-B7 DESCRIPTION Register Inputs Register Outputs Register Inputs Register Outputs Clock Register Clock Register Output Enable Register Output Enable Register Clock Enable Register Clock Enable Register Ground Power
CD29FCT52T
Absolute Maximum Ratings
Input Voltage -0.5V 7.0V Output Current 120mA
Thermal Information
Thermal Resistance (Typical, Note (oC/W) SOIC Package QSOP Package Maximum Junction Temperature 150oC Maximum Storage Temperature Range .-65oC 150oC Maximum Lead Temperature (Soldering 10s) 300oC (Lead Tips Only)
Operating Conditions
Operating Temperature Range -40oC 85oC Supply Voltage Ground Potential Inputs Only -0.5V 7.0V Supply Voltage Ground Potential Outputs Only. -0.5V 7.0V
CAUTION: Stresses above those listed "Absolute Maximum Ratings" cause permanent damage device. This stress only rating operation device these other conditions above those indicated operational sections this specification implied.
NOTE: measured with component mounted evaluation board free air.
Electrical Specifications
PARAMETER Output HIGH Voltage Output Voltage Input HIGH Voltage Input Voltage Input HIGH Current Input Current High Impedance Output Current Clamp Diode Voltage Short Circuit Current Power Down Disable Input Hysteresis Input Capacitance (Note Output Capacitance (Note Quiescent Power Supply Current Supply Current Input HIGH Supply Current Input (Note Total Power Supply Current (Note SYMBOL IOZH IOZL IOFF COUT VOUT Min, -18mA (Note VOUT GND, VOUT 4.5V (NOTE TEST CONDITIONS Min, Min, Guaranteed Logic HIGH Level Guaranteed Logic Level VOUT 2.7V VOUT 0.5V -15.0mA 64mA (NOTE -0.7 -120 0.50 -1.2 UNITS
ELECTRICAL SPECIFICATIONS Over Operating Range, -40oC 85oC, 5.0V
CAPACITANCE 25oC, 1MHz
POWER SUPPLY SPECIFICATIONS ICCD Max, Outputs Open Input Toggling Duty Cycle Max, Outputs Open 10MHz, Duty Cycle 5MHz toggling Max, Outputs Open 10MHz, Duty Cycle Eight Bits Toggling 2.5MHz Duty Cycle 3.4V (Note 0.15 0.25
3.4V 3.4V
(Note (Note (Note 16.3 (Note
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CD29FCT52T
Switching Specifications Over Operating Range
(NOTE TEST CONDITIONS (NOTE 10.0 10.5 10.0 (NOTE UNITS
PARAMETER Propagation Delay CPA, CPB, Output Enable Time OEA, OEB, Output Disable Time OEA, OEB, (Note Set-up Time HIGH LOW, CPA, Hold Time HIGH LOW, CPA, Set-up Time HIGH LOW, CEA, CPA, Hold Time HIGH LOW, CEA, CPA, Pulse Width HIGH LOW, (Note NOTES:
SYMBOL tPLH, tPHL tPZH, tPZL tPHZ, tPLZ
conditions shown Min, appropriate value specified under Electrical Specifications applicable device type. Typical values 5.0V, 25oC ambient maximum loading. more than output should shorted time. Duration test should exceed second. This parameter determined device characterization production tested. driven input (VIN 3.4V); other inputs GND. This parameter directly testable, derived Total Power Supply Calculations. Values these conditions examples formula. These limits guaranteed tested. IQUIESCENT IINPUTS IDYNAMIC DHNT ICCD (fCP/2 fINI) Quiescent Current Power Supply Current High Input (VIN 3.4V) Duty Cycle Inputs High Number Inputs ICCD Dynamic Current Caused Input Transition Pair (HLH LHL) Clock Frequency Register Devices (Zero Non-Register Devices) Input Frequency Number Inputs currents milliamps frequencies megahertz. test circuit wave forms. Minimum limits guaranteed tested Propagation Delays. This parameter guaranteed production tested.
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CD29FCT52T Test Circuits Waveforms
7.0V PULSE GENERATOR 50pF VOUT
SWITCH POSITION TEST tPLZ, tPZL tPHZ, tPZH, tPLH, tPHL SWITCH Closed Open
DEFINITIONS: Load capacitance, includes probe capacitance. Termination resistance, should equal ZOUT Pulse Generator.
NOTE: Pulse Generator Pulses: Rate 1.0MHz; ZOUT 2.5ns. FIGURE TEST CIRCUIT
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET, CLEAR, ETC. SYNCHRONOUS CONTROL PRESET, CLEAR, CLOCK ENABLE, ETC. tREM
1.5V 1.5V 1.5V 1.5V LOW-HIGH-LOW PULSE HIGH-LOW-HIGH PULSE 1.5V
1.5V
FIGURE SETUP, HOLD, RELEASE TIMING
FIGURE PULSE WIDTH
ENABLE CONTROL INPUT tPZL 3.5V OUTPUT NORMALLY SWITCH CLOSED tPZH OUTPUT NORMALLY HIGH SWITCH OPEN 1.5V 1.5V
DISABLE 1.5V tPLZ 3.5V 0.3V tPHZ 0.3V OUTPUT OPPOSITE PHASE INPUT TRANSITION tPLH tPHL 1.5V SAME PHASE INPUT TRANSITION tPLH tPHL 1.5V 1.5V
FIGURE ENABLE DISABLE TIMING
FIGURE PROPAGATION DELAY
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