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74ACT11112DR データシート(PDF) 1 Page - Texas Instruments |
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74ACT11112DR データシート(HTML) 1 Page - Texas Instruments |
1 / 8 page 74ACT11112 DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOP WITH CLEAR AND PRESET SCAS064A – D3339, JUNE 1989 – REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Copyright © 1993, Texas Instruments Incorporated 2–1 • Inputs Are TTL-Voltage Compatible • Fully Buffered to Offer Maximum Isolation From External Disturbance • Flow-Through Architecture Optimizes PCB Layout • Center-Pin V CC and GND Configurations Minimize High-Speed Switching Noise • EPICt (Enhanced-Performance Implanted CMOS) 1- mm Process • 500-mA Typical Latch-Up Immunity at 125°C • Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs description This device contains two independent J-K negative-edge-triggered flip-flops. A low level at the PRE or 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 J and K inputs meeting the setup time requirements are transferred to the outputs on the negative-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the fall time of the clock pulse. Following the hold-time interval, data at the J and K inputs may be changed without affecting the levels at the outputs. These versatile flip-flops can perform as toggle flip-flops by tying J and K high. The 74ACT11112 is characterized for operation from – 40 °C to 85°C. FUNCTION TABLE INPUTS OUTPUTS PRE CLR CLK J K Q Q L H X X X H L H LX X X L H L LX X X H{ H{ H H ↓ LL Q0 Q0 H H ↓ HLH L H H ↓ LHL H H H ↓ H H TOGGLE H H H X X Q0 Q0 † This configuration is nonstable; that is, it will not persist when either PRE or CLR returns to the inactive (high) level. D OR N PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 1PRE 1Q 1Q GND 2Q 2Q 2PRE 2J 1J 1K 1CLK 1CLR VCC 2CLR 2CLK 2K EPIC is a trademark of 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. |
同様の部品番号 - 74ACT11112DR |
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同様の説明 - 74ACT11112DR |
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