REI Datasheet
SN54LS295B, SN74LS295B
4-Bit Right-Shift Left-Shift Registers
These 4-bit registers feature parallel inputs, parallel outputs, and clock (CLK), serial (SER), mode
(LD/SH), and outputs control (OC) inputs. The registers have three modes of operation: parallel, shift
right, and shift left.
Parallel loading is accomplished by applying the four bits of data and taking the mode control input
high. The data is loaded into the associated flip-flops and appears at the outputs after the high-to-low
transition of the clock input. During parallel loading, the entry of serial data is inhibited.
Shift right is accomplished when the mode control is low; shift left is accomplished when the mode
control is high by connecting the output of each flip-flop to the parallel input of the previous flip-flop
(QD to input C, etc) and serial data is entered at input D.
Quality Overview
Rochester Electronics
Manufactured Components
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Parts are tested using original factory
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test solutions to guarantee product
meets or exceeds the OCM data sheet.
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The original manufacturer’s datasheet accompanying this document reflects the performance
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‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be
based on product characterization, design, simulation, or sample testing.
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