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74ACT11074DG4 Datasheet(PDF) 1 Page - Texas Instruments |
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74ACT11074DG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page 74ACT11074 DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH CLEAR AND PRESET SCAS498A – DECEMBER 1986 – REVISED APRIL 1996 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D Center-Pin VCC and GND Configurations to Minimize High-Speed Switching Noise D EPICt (Enhanced-Performance Implanted CMOS) 1- mm Process D 500-mA Typical Latch-Up Immunity at 125 °C D Package Options Include Plastic Small-Outline (D) and Shrink Small-Outline (DB) Packages, and Standard Plastic 300-mil DIPs (N) description This device contains two independent positive-edge-triggered D-type flip-flops. A low level at the preset (PRE) or clear (CLR) input sets or resets the outputs regardless of the levels of the other inputs. When PRE and CLR are inactive (high), data at the data (D) input meeting the setup-time requirements are transferred to the outputs on the low-to-high transition of the clock (CLK) pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold time interval, data at the D input may be changed without affecting the levels at the outputs. The 74ACT11074 is characterized for operation from –40 °C to 85°C. FUNCTION TABLE INPUTS OUTPUTS PRE CLR CLK D Q Q L H X X H L H LX XL H L LX X H{ H{ H H ↑ HH L H H ↑ LL H H H L X Q0 Q0 † This configuration is unstable; that is, it does not persist when either PRE or CLR returns to its inactive (high) level. Copyright © 1996, 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. EPIC is a trademark of Texas Instruments Incorporated. 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1PRE 1Q 1Q GND 2Q 2Q 2PRE 1CLK 1D 1CLR VCC 2CLR 2D 2CLK D, DB, OR N PACKAGE (TOP VIEW) |
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