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CY74FCT574CTSOCE4 Datasheet(PDF) 1 Page - Texas Instruments |
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CY74FCT574CTSOCE4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page CY54FCT374T, CY74FCT374T 8-BIT REGISTERS WITH 3-STATE OUTPUTS SCCS022A – MAY 1994 – REVISED OCTOBER 2001 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Function, Pinout, and Drive Compatible With FCT and F Logic D Reduced VOH (Typically = 3.3 V) Versions of Equivalent FCT Functions D Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics D Ioff Supports Partial-Power-Down Mode Operation D Matched Rise and Fall Times D Fully Compatible With TTL Input and Output Logic Levels D ESD Protection Exceeds JESD 22 – 2000-V Human-Body Model (A114-A) – 200-V Machine Model (A115-A) – 1000-V Charged-Device Model (C101) D Edge-Triggered D-Type Inputs D 250-MHz Typical Switching Rate D CY54FCT374T – 32-mA Output Sink Current – 12-mA Output Source Current D CY74FCT374T – 64-mA Output Sink Current – 32-mA Output Source Current D 3-State Outputs description The ’FCT374T devices are high-speed, low-power, octal D-type flip-flops, featuring separate D-type inputs for each flip-flop. These devices have 3-state outputs for bus-oriented applications. A buffered clock (CP) and output-enable (OE) inputs are common to all flip-flops. The eight flip-flops in the ’FCT374T store the state of their individual D inputs that meet the setup-time and hold-time requirements on the low-to-high CP transition. When OE is low, the contents of the eight flip-flops are available at the outputs. When OE is high, the outputs are in the high-impedance state. The state of OE does not affect the state of the flip-flops. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. Copyright 2001, 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. CY54FCT374T ...D PACKAGE CY74FCT374T ...P, Q, OR SO PACKAGE (TOP VIEW) CY54FCT374T ...L PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 OE O0 D0 D1 O1 O2 D2 D3 O3 GND VCC O7 D7 D6 O6 O5 D5 D4 O4 CP 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 D1 O1 O2 D2 D3 D7 D6 O6 O5 D5 |
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