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IDT54FCT162652ATPA Datasheet(PDF) 3 Page - Integrated Device Technology |
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IDT54FCT162652ATPA Datasheet(HTML) 3 Page - Integrated Device Technology |
3 / 9 page IDT54/74FCT16652T/AT/CT/ET, FCT162652T/AT/CT/ET FAST CMOS 16-BIT BUS TRANSCEIVER/REGISTER MILITARY AND COMMERCIAL TEMPERATURE RANGES 3 PIN DESCRIPTION Pin Names Description xAx Data Register A Inputs Data Register B Outputs xBx Data Register B Inputs Data Register A Outputs xCLKAB, xCLKBA Clock Pulse Inputs xSAB, xSBA Output Data Source Select Inputs xOEAB, x OEBA Output Enable Inputs CAPACITANCE (TA = +25 °C, f = 1.0MHz) Symbol Parameter(1) Conditions Typ. Max. Unit CIN Input Capacitance VIN = 0V 4.5 6.0 pF CI/O I/O Capacitance VOUT = 0V 5.5 8.0 pF NOTE: 1. This parameter is measured at characterization but not tested. 2549 lnk 02 2549 tbl 01 FUNCTION TABLE (2) Inputs Data I/O(1) Operation or Function xOEAB x OEBA OEBA xCLKAB xCLKBA xSAB xSBA xAx xBx L L H H H or L ↑ H or L ↑ X X X X Input Input Isolation Store A and B Data X H H H ↑ ↑ H or L ↑ X X(2) X X Input Input Unspecified(1) Output Store A, Hold B Store A in Both Registers L L X L H or L ↑ ↑ ↑ X X X X(2) Unspecified(1) Output Input Input Hold A, Store B Store B in both Registers L L L L X X X H or L X X L H Output Input Real Time B Data to A Bus Stored B Data to A Bus H H H H X H or L X X L H X X Input Output Real Time A Data to B Bus Stored A Data to B Bus H L H or L H or L H H Output Output Stored A Data to B Bus and Stored B Data to A Bus NOTES: 1. The data output functions may be enabled or disabled by various signals at the xOEAB or x OEBA inputs. Data input functions are always enabled, i.e. data at the bus pins will be stored on every LOW-to-HIGH transition on the clocks inputs. 2. Select control = L: clocks can occur simultaneously. Select control = H: clocks must be staggered to load both registers. 3. H = HIGH Voltage Level L = LOW Voltage Level X = Don't care ↑ = LOW-to-HIGH Transition ABSOLUTE MAXIMUM RATINGS (1) 2549 tbl 03 Symbol Description Max. Unit VTERM(2) Terminal Voltage with Respect to GND –0.5 to +7.0 V VTERM(3) 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 2549 lnk 04 NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT- INGS 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. 2. All device terminals except FCT162XXXT Output and I/O terminals. 3. Output and I/O terminals for FCT162XXXT. |
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