Details, datasheet, quote on part number: IDT54FCT166H245TPV
CategoryInterface and Interconnect
DescriptionFast CMOS 16-bit Bidirectional Transceivers
CompanyIntegrated Device Technology, Inc.
DatasheetDownload IDT54FCT166H245TPV datasheet
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Features, Applications

Common features: 0.5 MICRON CMOS Technology High-speed, low-power CMOS replacement for ABT functions Typical tSK(o) (Output Skew) 250ps Low input and output leakage 1 A (max.) ESD > 2000V per MIL-STD-883, Method > 200V using machine model 0) Packages include 25 mil pitch SSOP, 19.6 mil pitch TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch Cerpack Extended commercial range to +85C Features for FCT16245T/AT/CT/ET: High drive outputs (-32mA IOH, 64mA IOL) Power off disable outputs permit "live insertion" Typical VOLP (Output Ground Bounce) 1.0V at VCC = 25C Features for FCT162245T/AT/CT/ET: Balanced Output Drivers: 24mA (commercial), 16mA (military) Reduced system switching noise Typical VOLP (Output Ground Bounce) 0.6V at VCC = 25C

The 16-bit transceivers are built using advanced dual metal CMOS technology. These high-speed, low-power transceivers are ideal for synchronous communication between two busses (A and B). The Direction and Output Enable controls operate these devices as either two independent 8-bit transceivers or one 16-bit transceiver. The direction control pin (xDIR) controls the direction of data flow. The output enable pin (xOE) overrides the direction control and disables both ports. All inputs are designed with hysteresis for improved noise margin. The FCT16245T are ideally suited for driving high-capacitance loads and low-impedance backplanes. The output buffers are designed with power off disable capability to allow "live insertion" of boards when used as backplane drivers. The FCT162245T have balanced output drive with current limiting resistors. This offers low ground bounce, minimal undershoot, and controlled output fall times reducing the need for external series terminating resistors. The FCT162245T are plug-in replacements for the FCT16245T and ABT16245 for on-board interface applications. The FCT166245T are suited for very low noise, point-topoint driving where there is a single receiver, or a light lumped

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Features for FCT166245T/AT/CT: Light Drive A Port: 8mA (commercial), 6mA (military) High Drive B Port: +64mA, 32mA (commercial), +48mA, 24mA (military) Minimal system switching noise Typical VOLP (Output Ground Bounce) 0.25V at VCC 25C (A Port Switching) Features for FCT162H245T/AT/CT/ET: Bus Hold retains last active bus state during 3-state Eliminates the need for external pull up resistors

load (<100pF). The buffers are designed to limit the output current to levels which will avoid noise and ringing on the signal lines without using external series terminating resistors. These parts have a 8mA driver on the "A" Port and a +64/32mA driver on the "B" Port, making them ideal for interfacing noisy system busses to noise sensitive interfaces. The FCT162H245T have "Bus Hold" which retains the input's last state whenever the input goes to high impedance. This prevents "floating" inputs and eliminates the need for pull-up/down resistors.


Pin Names xOE xDIR xAx xBx Description Output Enable Input (Active LOW) Direction Control Input Side A Inputs 3-State Outputs(1,2) Side B Inputs 3-State Outputs(1,3)

Inputs xOE L H xDIR H X Outputs Bus B Data to Bus A Bus A Data to Bus B High Z State

NOTES: On FCT162H245T these pins have "Bus Hold". All other pins are standard inputs, outputs or I/Os. On FCT166245T this is the 8mA Port. On FCT166245T this is the +64/32mA Port.

NOTE: H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care Z = High Impedance

Symbol Description Max. VTERM(2) Terminal Voltage with Respect to +7.0 GND VTERM(3) Terminal Voltage with Respect 0.5 to GND VCC +0.5 TSTG Storage Temperature +150 I OUT DC Output Current to +120 Unit C mA

Symbol Parameter(1) CIN Input Capacitance CI/O I/O Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 Max. Unit 8.0 pF

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

2545 lnk 03 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 and FCT166XXXT (A-Port) Output and I/O terminals. 3. Output and I/O terminals for FCT162XXXT and FCT166XXXT (A-Port).


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