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--- de:parts:74_16646 [2012/02/16 06:29] – MWanke
+++ de:parts:74_16646 [2024/09/22 00:26] (aktuell) – Externe Bearbeitung 127.0.0.1
@@ Zeile 1: / Zeile 1: @@
-====== 74_6646 - Transceiver ======
+====== 74_16646 - Transceiver ======
-{{:de:baustelle.gif|}}
-FAST CMOS 16-BIT Registered Transceiver
+FCT162646: FAST CMOS 16-BIT Registered Transceiver (3-STATE)
-Commodore-Ersatzteil-Nr.: \\
+The IDT54/74FCT16646T/AT/CT/ET and IDT54/74FCT162646T/AT/CT/ET 16-bit registered transceivers are
--01: 74FCT16646\\
+built using advanced dual metal CMOS technology. These high-speed, low-power devices are organized as two independent 8-bit bus transceivers with 3-state D-type registers.
-Alternativ-Typ \\
+The control circuitry is organized for multiplexed transmission
-xx
+of data between A bus and B bus either directly or from the
+internal storage registers. Each 8-bit transceiver/register features
+direction control (xDIR), over-riding Output Enable control
+(xOE) and Select lines (xSAB and xSBA) to select either
+real-time data or stored data. Separate clock inputs are
+provided for A and B port registers. Data on the A or B data
+bus, or both, can be stored in the internal registers by the
+LOW-to-HIGH transitions at the appropriate clock pins. Flowthrough
+organization of signal pins simplifies layout. All inputs
+are designed with hysteresis for improved noise margin.
+{{  :de:parts:74fct16646tpv.jpg?200|A4T: 74FCT16646TPV}}
-|Vorkommen|Anzahl|Position|
+The IDT54/74FCT16646T/AT/CT/ET are ideally suited for
-|A4000T|2|U706,U707,|
+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.
-====== Pinbelegung / Pinout ======
+The IDT54/74FCT162646T/AT/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 IDT54/74FCT162646T/AT/CT/ET are plug-in
+replacements for the IDT54/74FCT16646T/AT/CT/ET and
+/74ABT16646 for on-board bus interface applications.
+\\
-<csv delim=;>
-;;;;;;
-</csv>
+===== Pinbelegung / Pinout =====
+siehe Datenblatt
+====== im Amiga ======
+^Typ^Commo-Nr.^  C= Bezeichnung  ^  C= Info  ^Form^ ^Editors Info^
+| A |391669-01|74FCT16646 (SO56)| |SO-56| | |
-====== Bezugsquellen ======
+^Vorkommen^Anzahl^Typ^Position ^Bemerkung^
+|A4000T|  2  | A |U706, U707,|TPV|
- *
+\\
+{{  :awschriftzug.gif?nolink|www.amigawiki.org}}
 ====== Downloads ======
-[[http://www.amigawiki.de/arc/spare/74FCT16646TPV-IDT.pdf|Datenblatt 74FCT16646 von IDT]]
+  * Datenblätter
+    * {{:de:parts:74fct16646_idt_datasheet.pdf|74FCT16646 von IDT}}
-[[http://www.amigawiki.de/arc/spare/74FCT16646TPV-ti.pdf|Datenblatt 74ACT16646 von Texas Instruments]]
+    * {{:de:parts:74fct16646_ti_datasheet.pdf|74FCT16646 von Texas Instruments}}
+    * {{:de:parts:74xx_series.pdf|74xx-Serien und -Familien}}
-[[http://www.amigawiki.de/arc/spare/74xx-Series.pdf|74xx-Serien und -Familien]]

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