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74ACT11194

Part Number	74ACT11194
Manufacturer	Texas Instruments
Description	4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER
Published	Aug 20, 2019
Detailed Description	74ACT11194 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER • Inputs Are TTL-Voltage Compatible • Parallel-to-Serial, Seria...
Datasheet	74ACT11194 PDF File

Overview

74ACT11194 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER • Inputs Are TTL-Voltage Compatible • Parallel-to-Serial, Serial-to-Parallel Conversions • Left or Right Shifts • Parallel Synchronous Loading • Direct Overriding Clear • Temporary Data Latching Capability • Center-Pin VCC and GND Configurations Minimize High-Speed Switching Noise t• EPIC (Enhanced-Performance Implanted CMOS) 1-mm Process • 500-mA Typical Latch-Up Immunity at 125°C • Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs SCAS094 – NOVEMBER 1989 – REVISED APRIL 1993 DW OR N PACKAGE (TOP VIEW) SR SER QA QB GND GND GND GND QC QD SL SER 1 2 3 4 5 6 7 8 9 10 20 S0 19 S1 18 A 17 B 16 VCC 15 VCC 14 C 13 D 12 CLR 11 CLK description This bidirectional shift register features parallel outputs, right-shift and left-shift serial inputs, operating-mode-control inputs, and a direct overriding clear line.
The register has four distinct modes of operation, namely: Parallel (broadside) load Shift right (in the direction QA toward QD) Shift left (in the direction QD toward QA) Inhibit clocking (do nothing).
Synchronous parallel loading is accomplished by applying the 4 bits of data and taking both mode control inputs, S0 and S1, high.
The data are loaded into the associated flip-flops and appear at the outputs after the positive transition of the clock input.
During loading, serial data flow is inhibited.
Shift right is accomplished synchronously with the rising edge of the clock pulse when S0 is high and S1 is low.
Serial data for this mode is entered at the shift-right data input.
When S0 is low and S1 is high, data shifts left synchronously and new data is entered at the shift-left serial inputs.
Clocking of the flip-flop is inhibited when both mode control inputs are low.
The 74ACT11194 is characterized for operation from – 40°C to 85°C.
EPIC is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
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