Details, datasheet, quote on part number: SN74HC594DW
CategorySemiconductors => Logic => Flip-Flop/Latch/Register => Shift Register
Part familySN74HC594 8-Bit Shift Registers With Output Registers
Description8-Bit Shift Registers With Output Registers 16-SOIC -40 to 125
CompanyTexas Instruments, Inc.
DatasheetDownload SN74HC594DW datasheet
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3-State OutputNo
ICC @ Nom Voltage(Max)(mA)0.08
F @ Nom Voltage(Max)(Mhz)28
Technology FamilyHC
Schmitt TriggerNo
Operating Temperature Range(C)-40 to 125
tpd @ Nom Voltage(Max)(ns)31
Approx. Price (US$)0.19 | 1ku
Output Drive (IOL/IOH)(Max)(mA)7.8/-7.8
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
16DWSOICR-PDSO-G40TUBEHC594 7.510.32.351.27


Features, Applications

D Wide Operating Voltage Range V D High-Current Outputs Can Drive Up To
D Low Input Current 1 µA Max D 8-Bit Serial-In, Parallel-Out Shift Registers
Shift and Storage Registers Independent Clocks for Both Shift and Storage Registers

The 'HC594 devices contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. Separate clocks and direct overriding clear (RCLR, SRCLR) inputs are provided on both the shift and storage registers. A serial (QH) output is provided for cascading purposes. Both the shift register (SRCLK) and storage register (RCLK) clocks are positive edge triggered. If both clocks are connected together, the shift register always is one count pulse ahead of the storage register. The parallel (QA-QH) outputs have high-current capability. is a standard output. ORDERING INFORMATION

TA PDIP - N PACKAGE Tube of 25 Tube to 85°C SOIC - D Reel of 2500 Reel of 250 Tube of 40 SOIC - DW CDIP to 125°C CFP - W LCCC - FK Reel of 2000 Tube of 25 Tube of 150 Tube of 55 ORDERABLE PART NUMBER SNJ54HC594W HC594 TOP-SIDE MARKING SN74HC594N

SNJ54HC594FK Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303

FUNCTION TABLE INPUTS SER SRCLK SRCLR RCLK RCLR Shift register is cleared. First stage of shift register goes low. Other stages store the data of previous stage, respectively. First stage of shift register goes high. Other stages store the data of previous stage, respectively. Shift register state is not changed. Storage register is cleared. Shift register data is stored in the storage register. Storage register state is not changed. FUNCTION


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