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54AS242FK/B

产品描述Bus Transceiver
产品类别逻辑    逻辑   
文件大小1MB,共7页
制造商Rochester Electronics
官网地址https://www.rocelec.com/
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54AS242FK/B概述

Bus Transceiver

54AS242FK/B规格参数

参数名称属性值
厂商名称Rochester Electronics
包装说明,
Reach Compliance Codeunknown
逻辑集成电路类型BUS TRANSCEIVER

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REI Datasheet
SN54ALS242B, SN54ALS243A, SN54AS242, SN54AS243
SN74ALS242B, SN74ALS243A, SN74AS242, SN74AS243
Quadruple Bus Transceivers with 3-State Outputs
These quadruple bus transceivers are designed for asynchronous two-way communications between
data buses. The control function implementation allows for maximum flexibility in timing. These
devices allow data transmission from the A bus to the B bus or from the B bus to the A bus depending
upon the logic levels at the enable inputs (GBA and GAB). The enable inputs can be used to disable
the device so that the buses are effectively isolated.
The dual-enable configuration gives the quadruple bus transceivers the capability to store data
by simultaneous enabling of GBA and GAB. Each output reinforces its input in this transceiver
configuration. Thus, when both control inputs are enabled and all other data sources to the two sets
of bus lines are at high impedance, both sets of bus lines (8 in all) will retain their states. The 4-bit
codes appearing on the two sets of buses will be complimentary for the ‘ALS242 and ‘AS242 or
identical for the ‘ALS243 and ‘AS243.
Rochester Electronics
Manufactured Components
Rochester branded components are
manufactured using either die/wafers
purchased from the original suppliers
or Rochester wafers recreated from the
original IP. All recreations are done with
the approval of the OCM.
Parts are tested using original factory
test programs or Rochester developed
test solutions to guarantee product
meets or exceeds the OCM data sheet.
Quality Overview
ISO-9001
• AS9120 certification
• Qualified Manufacturers List (QML) MIL-PRF-38535
• Class Q Military
Class V Space Level
• Qualified Suppliers List of Distributors (QSLD)
• Rochester is a critical supplier to DLA and
meets all industry and DLA standards.
Rochester Electronics, LLC is committed to supplying
products that satisfy customer expectations for
quality and are equal to those originally supplied by
industry manufacturers.
The original manufacturer’s datasheet accompanying this document reflects the performance
and specifications of the Rochester manufactured version of this device. Rochester Electronics
guarantees the performance of its semiconductor products to the original OEM specifications.
‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be
based on product characterization, design, simulation, or sample testing.
© 2013 Rochester Electronics, LLC. All Rights Reserved 12232013
To learn more, please visit
www.rocelec.com
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