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參數(shù)資料
| 型號(hào)： | SN54ABT2245W |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | ABT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDFP20 |
| 封裝： | CERAMIC, FP-20 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 173K |
| 代理商： | SN54ABT2245W |
These octal transceivers and line drivers are designed for asynchronous communication
between data buses. The devices transmit data from the A bus to the B bus or from the B bus
to the A bus, depending on the logic level at the direction -control (DIR) input. The output-
enable (OE\) input can be used to disable the device so the buses are effectively isolated.
The B-port outputs, which are designed to sink up to 12 mA, include equivalent 25- series
resistors to reduce overshoot and undershoot.
When V
CC is between 0 and 2.1 V, the device is in the high-impedance state during power up
or power down. However, to ensure the high-impedance state above 2.1 V, OE\ should be tied
to V
CC
through a pullup resistor; the minimum value of the resistor is determined by the
current-sinking/current-sourcing capability of the driver.
The SN54ABT2245 is characterized for operation over the full military temperature range of -
55°C to 125°C. The SN74ABT2245 is characterized for operation from -40°C to 85°C.
To view the following documents, Acrobat Reader 3.x is required.
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Full datasheet in Acrobat PDF: scbs234d.pdf (122 KB) (Updated: 05/01/1997)
Full datasheet in Zipped PostScript: scbs234d.psz (115 KB)
View Application Reports for Digital Logic
l
Advanced BiCMOS Technology (ABT) Logic Characterization Information (SCBA008B -
Updated: 06/01/1997)
l Advanced BiCMOS Technology (ABT) Logic Enables Optimal System Design (SCBA001A -
Updated: 03/01/1997)
l Bus-Interface Devices With Output-Damping Resistors Or Reduced -Drive
Outputs (SCBA012A - Updated: 08/01/1997)
l Designing With Logic (SDYA009C -
Updated: 06/01/1997)
l
Family of Curves Demonstrating Output Skews for Advanced BiCMOS Devices (SCBA006A
- Updated: 12/01/1996)
l Implications of Slow or Floating CMOS Inputs (SCBA004C -
Updated: 02/01/1998)
l
Input and Output Characteristics of Digital Integrated Circuits (SDYA010 - Updated:
10/01/1996)
l
LVT-to-LVTH Conversion (SCEA010 - Updated: 12/08/1998)
l
Live Insertion (SDYA012 - Updated: 10/01/1996)
l Logic Solutions For IEEE Std 1284 (SCEA013 -
Updated: 06/01/1999)
l
Understanding Advanced Bus-Interface Products Design Guide (SCAA029, 253 KB -
Updated: 05/01/1996)
l Documentation Rules (SAP) And Ordering Information (SZZU001B, 4 KB -
Updated:
05/06/1999)
TECHNICAL DOCUMENTS
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