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IDT54FCT162841BTPV Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT54FCT162841BTPV Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 9 page Integrated Device Technology, Inc. DESCRIPTION: The FCT16841AT/BT/CT/ET and 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 storage of data. They can be used for implementing memory address latches, I/O ports, and bus drivers. The Output Enable and Latch Enable 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 FCT16841AT/BT/CT/ET 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 FCT162841AT/BT/CT/ET 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 FCT162841AT/BT/CT/ET are plug-in replacements for the FCT16841AT/BT/CT/ET and ABT16841 for on-board inter- face applications. The IDT logo is a registered trademark of Integrated Device Technology, Inc. FAST CMOS 20-BIT TRANSPARENT LATCHES IDT54/74FCT16841AT/BT/CT/ET IDT54/74FCT162841AT/BT/CT/ET FUNCTIONAL BLOCK DIAGRAM 2 Q1 2 OE 2 LE 2 D1 2556 drw 02 TO 9 OTHER CHANNELS C D 1 OE 1 LE 1 Q1 1 D1 2556 drw 01 TO 9 OTHER CHANNELS C D MILITARY AND COMMERCIAL TEMPERATURE RANGES JULY 1996 ©1996 Integrated Device Technology, Inc. 5.18 DSC-2556/7 1 FEATURES: • 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 ≤1µA (max.) – ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 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 of -40 °C to +85°C –VCC = 5V ±10% • Features for FCT16841AT/BT/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 = 5V, TA = 25 °C • Features for FCT162841AT/BT/CT/ET: – Balanced Output Drivers: ±24mA (commercial), ±16mA (military) – Reduced system switching noise – Typical VOLP (Output Ground Bounce) < 0.6V at VCC = 5V,TA = 25 °C |
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