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74LS322

Motorola
Part Number 74LS322
Manufacturer Motorola
Description 8-BIT SHIFT REGISTERS
Published Apr 23, 2005
Detailed Description SN54/74LS322A 8-BIT SHIFT REGISTERS WITH SIGN EXTEND These 8-bit shift registers have multiplexed input/output data port...
Datasheet PDF File 74LS322 PDF File

74LS322
74LS322

Overview
SN54/74LS322A 8-BIT SHIFT REGISTERS WITH SIGN EXTEND These 8-bit shift registers have multiplexed input/output data ports to accomplish full 8-bit data handling in a single 20-pin package.
Serial data may enter the shift-right register through either D0 or D1 inputs as selected by the data select pin.
A serial output is also provided.
Synchronous parallel loading is achieved by taking the register enable and the S / P inputs low.
This places the three-state input / output ports in the data input mode.
Data is entered on the low-to-high clock transition.
The data extend function repeats the sign in the QA flip-flop during shifting.
An overriding clear input clears the internal registers when taken low whether the outputs are enabled or off.
The output enable does not affect synchronous operation of the register.
8-BIT SHIFT REGISTERS WITH SIGN EXTEND LOW POWER SCHOTTKY • • • • Multiplexed Inputs/ Outputs Provide Improved Bit Density Sign Extend Function Direct Overriding Clear 3-State Outputs Drive Bus Lines Directly (TOP VIEW) DATA SIGN VCC SELECT EXTEND D1 B/QB D/QD F/QF H/QH Q/H CLOCK 20 1 J SUFFIX CERAMIC CASE 732-03 20 19 DS G S/P 18 SE 17 D1 16 B/QB 15 D/QD 14 F/QF 13 12 11 20 1 N SUFFIX PLASTIC CASE 738-03 H/GH Q/H CK D0 A/QA C/QC E/QE G/QG OE CLR 20 1 DW SUFFIX SOIC CASE 751D-03 1 2 3 D0 4 5 6 7 8 9 10 REGISTER S/P ENABLE A/QA C/QC E/QE G/QG OUTPUT CLEAR GND ENABLE ORDERING INFORMATION SN54LSXXXJ Ceramic SN74LSXXXN Plastic SN74LSXXXDW SOIC GUARANTEED OPERATING RANGES Symbol VCC TA IOH IOL IOH IOL Supply Voltage Operating Ambient Temperature Range Output Current — High Output Current — Low Output Current — High Output Current — Low Q H′ Q H′ Q H′ QA– QH QA– QH QA– QH QA– QH Parameter 54 74 54 74 54, 74 54 74 54 74 54 74 Min 4.
5 4.
75 – 55 0 Typ 5.
0 5.
0 25 25 Max 5.
5 5.
25 125 70 – 0.
4 4.
0 8.
0 – 1.
0 – 2.
6 12 24 Unit V °C mA mA mA mA FAST AND LS TTL DATA 5-1 SN54/74LS322A BLOCK DIAGRAM REGISTER ENABLE G S/P SIGN EXTEND SE ...


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