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74LCX74BQX Scheda tecnica(PDF) 1 Page - Fairchild Semiconductor |
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74LCX74BQX Scheda tecnica(HTML) 1 Page - Fairchild Semiconductor |
1 / 11 page © 2005 Fairchild Semiconductor Corporation DS012414 www.fairchildsemi.com March 1995 Revised February 2005 74LCX74 Low Voltage Dual D-Type Positive Edge-Triggered Flip-Flop with 5V Tolerant Inputs General Description The LCX74 is a dual D-type flip-flop with Asynchronous Clear and Set inputs and complementary (Q, Q) outputs. Information at the input is transferred to the outputs on the positive edge of the clock pulse. After the Clock Pulse input threshold voltage has been passed, the Data input is locked out and information present will not be transferred to the outputs until the next rising edge of the Clock Pulse input. Asynchronous Inputs: LOW input to SD (Set) sets Q to HIGH level LOW input to CD (Clear) sets Q to LOW level Clear and Set are independent of clock Simultaneous LOW on CD and SD makes both Q and Q HIGH Features s 5V tolerant inputs s 2.3V–3.6V VCC specifications provided s 7.0 ns tPD max (VCC 3.3V), 10 PA ICC max s Power down high impedance inputs and outputs s r24 mA output drive (VCC 3.0V) s Implements patented noise/EMI reduction circuitry s Latch-up performance exceeds JEDEC 78 conditions s ESD performance: Human body model ! 2000V Machine model ! 200V s Leadless Pb-Free DQFN package Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Pb-Free package per JEDEC J-STD-020B. Note 1: DQFN package available in Tape and Reel only. Note 2: “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only. Order Number Package Package Description Number 74LCX74M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74LCX74MX_NL (Note 2) M14A Pb-Free 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 74LCX74SJ M14D Pb-Free 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCX74BQX (Note 1) MLP014A Pb-Free 14-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241, 2.5 x 3.0mm 74LCX74MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74LCX74MTCX_NL (Note 2) MTC14 Pb-Free 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide |
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