Details, datasheet, quote on part number: IDT54FCT162841ETPA
CategoryLogic => Latches => CMOS/BiCMOS->FCT/FCT-T Family
DescriptionFast CMOS 20-bit Transparent Latch
CompanyIntegrated Device Technology, Inc.
DatasheetDownload IDT54FCT162841ETPA datasheet
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Features, Applications

MICRON CMOS Technology High-speed, low-power CMOS replacement for ABT functions Typical tSK(o) (Output Skew) < 250ps Low input and output leakage 1µ A (max.) ESD > 2000V per MIL-STD-883, Method > 200V using machine model 0) 25 mil pitch SSOP, 19.6 mil pitch TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch CERPACK packages Extended commercial range to +85°C VCC 5V ±10% Balanced Output Drivers: ±24mA (commercial) ±16mA (military) Reduced system switching noise Typical VOLP (Output Ground Bounce) 0.6V at VCC = 25°C

The FCT162841AT/BT/CT/ET 20-bit transparent D-type latches are built using advanced dual metal CMOS technology. These high-speed, low-power latches are ideal for temporary data storage. They can be used for implementing memory address latches, I/O ports, and bus drivers. The Output Enable (OE) and Latch Enable (LE) controls are organized to operate each device as two 10-bit latches or one 20-bit latch. Flow-through organization of signal pins simplifies layout. All inputs are designed with hysteresis for improved noise margin. The FCT162841AT/BT/CT/ET has balanced output drive with current limiting resistors. This offers low ground bounce, minimal undershoot, and controlled output fall times­reducing the need for external series terminating resistors. The is a plug-in replacement for the FCT16841AT/BT/CT/ET and ABT16841 for on-board interface applications.

Description Terminal Voltage with Respect to GND Terminal Voltage with Respect to GND Storage Temperature DC Output Current

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. 2. All device terminals except FCT162XXXT Output and I/O terminals. 3. Output and I/O terminals for FCT162XXXT.

Symbol CIN COUT Parameter(1) Input Capacitance Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 Max. 6 8 Unit pF

NOTE: 1. This parameter is measured at characterization but not tested.

Pin Names xDx xLE xOE xQx Description Data Inputs Latch Enable Input (Active HIGH) Output Enable Input (Active LOW) 3-State Outputs

NOTES: H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care Z = High-Impedance 2. Output Level before xLE HIGH-to-LOW transition.

Following Conditions Apply Unless Otherwise Specified: Commercial: to +85°C, VCC 5.0V ±10%; Military: to +125°C, VCC 5.0V ±10%

Symbol VIH VIL IIH IIL IOZH IOZL VIK IOS VH ICCL ICCH ICCZ Parameter Input HIGH Level Input LOW Level Input HIGH Current (Input pins)(5) Input HIGH Current (I/O pins)(5) Input LOW Current (Input pins)(5) Input LOW Current (I/O pins)(5) High Impedance Output Current (3-State Output pins)(5) Clamp Diode Voltage Short Circuit Current Input Hysteresis Quiescent Power Supply Current VCC = Max. VIN = GND or VCC = Min., IIN = ­18mA VCC = Max., = GND(3) VCC = Max. VI = GND Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level VCC = Max. VI = VCC Min. ­80 Typ.(2) Max. mV µA Unit V µA

Symbol IODL IODH VOH VOL Parameter Output LOW Current Output HIGH Current Output HIGH Voltage Output LOW Voltage Test Conditions(1) VCC = 5V, VIN = VIH or VIL, = 1.5V(3) VCC = 5V, VIN = VIH or VIL, = 1.5V(3) VCC = Min. VIN = VIH or VIL VCC = Min. VIN = VIH or VIL IOH = ­16mA MIL. IOH = ­24mA COM'L. IOL = 16mA MIL. IOL = 24mA COM'L

NOTES: 1. For conditions shown as Max. or Min., 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 shorted at one time. Duration of the test should not exceed one second. 4. Duration of the condition can not exceed one second. 5. The test limit for this parameter = -55°C.


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