SN54AHC594

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community SN54AHC594, SN74AHC594 SCLS423G – JUNE 1998 – REVISED JULY 2014 SNx4AHC594 8-Bit Shift Registers With Output Registers 1 Features 1 Operating Range 2-V to 5.5-V VCC 8-Bit Serial-In, Parallel-Out Shift Registers with Storage Independent Direct Overriding Clears on Shift and Storage Registers Independent Clocks for Shift and Storage Registers Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) 2 Applications Network Switches Power Infrastructures PCs and Notebooks LED Displays Servers 3 Description The SNx4AHC594 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 (SRCLR, RCLR) inputs are provided on the shift and storage registers. A serial (QH′) output is provided for cascading purposes. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOIC (16) 9.90 mm × 3.91 mm SSOP (16) 6.20 mm × 5.30 mm SNx4AHC594 PDIP (16) 19.30 mm × 6.35 mm SOP (16) 12.60 mm × 5.30 mm TSSOP (16) 5.00 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. 13 RCLR 12 RCLK 10 SRCLR 11 SRCLK 14 SER Simplified Schematic 1D Q C1 R 2D Q C2 R 2D Q C2 R 2D Q C2 R 2D Q C2 R 2D Q C2 R R 3D Q ...