SN54ALS174

SN54ALS174, SN54ALS175, SN54AS174, SN54AS175B SN74ALS174, SN74ALS175, SN74AS174, SN74AS175B HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR SDAS207E - APRIL 1982 - REVISED MAY 2002 D ’ALS174 and ’AS174 Contain Six Flip-Flops With Single-Rail Outputs D ’ALS175 and ’AS175B Contain Four Flip-Flops With Double-Rail Outputs D Buffered Clock and Direct-Clear Inputs D Applications Include: – Buffer/Storage Registers – Shift Registers – Pattern Generators D Fully Buffered Outputs for Maximum Isolation From External Disturbances (’AS Only) SN54ALS174 . . . J OR W PACKAGE SN54AS174 . . . J PACKAGE SN74ALS174, SN74AS174 . . . D , N, OR NS PACKAGE (TOP VIEW) SN54ALS175 . . . J OR W PACKAGE SN54AS175B . . . J PACKAGE SN74ALS175, SN74AS175B . . . D, N, OR NS PACKAGE (TOP VIEW) CLR 1 1Q 2 1D 3 2D 4 2Q 5 3D 6 3Q 7 GND 8 16 VCC 15 6Q 14 6D 13 5D 12 5Q 11 4D 10 4Q 9 CLK CLR 1 1Q 2 1Q 3 1D 4 2D 5 2Q 6 2Q 7 GND 8 16 VCC 15 4Q 14 4Q 13 4D 12 3D 11 3Q 10 3Q 9 CLK SN54ALS174, SN54AS174 . . . FK PACKAGE (TOP VIEW) SN54ALS175 . . . FK PACKAGE (TOP VIEW) 1Q CLR NC VCC 4Q 1Q CLR NC VCC 6Q 3 2 1 20 19 1D 4 18 6D 2D 5 17 5D NC 6 16 NC 2Q 7 15 5Q 3D 8 14 4D 9 10 11 12 13 3 2 1 20 19 1Q 4 18 4Q 1D 5 17 4D NC 6 16 NC 2D 7 15 3D 2Q 8 14 3Q 9 10 11 12 13 2Q GND NC CLK 3Q 3Q GND NC CLK 4Q NC – No internal connection description These positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic. All have a direct-clear (CLR) input. The ’ALS175 an...