SN74F543 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

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Part No

SN74F543
Manufacturer

TI
ChipWorker Part#

CW550438503
Description

the sn74f543 octal transceiver contains two sets of d-type latches for temporary storage of data flowing in either di...
Documentation

Datasheet
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Moscow
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SN74F543 Specifications

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Attribute	Attribute Value

Part Number	SN74F543
Manufacturer	TI
ChipWorker Part#	CW550438503
Documentation	Datasheet
	expand all
Product Lifecycle Status
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

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Product Description

The SN74F543 octal transceiver contains two sets of D-type latches for temporary storage of data flowing in either direction. Separate latch-enable ( or ) and output enable ( or ) inputs are provided for each register to permit independent control in either direction of data flow. The A outputs are characterized to sink 24 mA while the B outputs are characterized to sink 64 mA.
The A-to-B enable () input must be low in order to enter data from A or to output data from B. Having low and low makes the A-to-B latches transparent; a subsequent low-to-high transition of puts the A latches in the storage mode. With and both low, the 3-state B outputs are active and reflect the data present at the output of the A latches. Data flow from B to A is similar, but requires using the , , and inputs.
The SN74F543 is available in TI"s shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN74F543 is characterized for operation from 0°C to 70°C.
A-to-B data flow is shown; B-to-A flow control is the same except that it uses , , and .
Output level before the indicated steady-state input conditions were established.
3-State True Outputs
Back-to-Back Registers for Storage
Package Options Include Plastic Small-Outline and Shrink Small-Outline Packages and Standard Plastic 300-mil DIPs

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