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SN74AS174N Datasheet(PDF) 1 Page - Texas Instruments |
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SN74AS174N Datasheet(HTML) 1 Page - Texas Instruments |
1 / 2 page SN54ALS174, SN54ALS175, SN54AS174, SN54AS175B SN74ALS174, SN74ALS175, SN74AS174, SN74AS175B HEX/QUADRUPLE D-TYPE FLIP-FLOPS WITH CLEAR SDAS207E - APRIL 1982 - REVISED MAY 2002 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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) SN54ALS175 ...J OR W PACKAGE SN54AS175B ...J PACKAGE SN74ALS175, SN74AS175B . . . D, N, OR NS PACKAGE (TOP VIEW) SN54ALS174 ...J OR W PACKAGE SN54AS174 ...J PACKAGE SN74ALS174, SN74AS174 ...D , N, OR NS PACKAGE (TOP VIEW) 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 6D 5D NC 5Q 4D 1D 2D NC 2Q 3D SN54ALS174, SN54AS174 . . . FK PACKAGE (TOP VIEW) NC – No internal connection 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 CLR 1Q 1D 2D 2Q 3D 3Q GND VCC 6Q 6D 5D 5Q 4D 4Q CLK 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 4Q 4D NC 3D 3Q 1Q 1D NC 2D 2Q SN54ALS175 . . . FK PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 CLR 1Q 1Q 1D 2D 2Q 2Q GND VCC 4Q 4Q 4D 3D 3Q 3Q CLK 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 and ’AS175B feature complementary outputs from each flip-flop. Information at the data (D) inputs meeting the setup-time requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When the clock (CLK) input is at either the high or low level, the D-input signal has no effect at the output. These circuits are fully compatible for use with most TTL circuits. Copyright 2002, Texas Instruments Incorporated PRODUCTION DATA information is 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. 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. On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters. |
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