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型號： 74AHC574BQ

類別： 集成電路

描述： General description The 74AHC574; 74AHCT574 are high-speed Si-gate CMOS devices and are pin compatible with Low Power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74AHC574; 74AHCT574 are octal D-type flip-flops featuring separate D-type inputs for each flip-flop and 3-state outputs for bus oriented applications. A clock (CP) and an output enable (OE) input are common to all flip-flops. The 8 flip-flops will store the state of their individual D-inputs that meet the set-up and hold times requirements on the LOW-to-HIGH CP transition. Features ■ Balanced propagation delays ■ All inputs have a Schmitt-trigger action ■ 3-state non-inverting outputs for bus orientated applications ■ 8-bit positive, edge-triggered register ■ Independent register and 3-state buffer operation ■ Common 3-state output enable input ■ For 74AHC574 only: operates with CMOS input levels ■ For 74AHCT574 only: operates with TTL input levels ■ ESD protection: ?? ◆ HBM JESD22-A114E exceeds 2000 V ?? ◆ MM JESD22-A115-A exceeds 200 V ?? ◆ CDM JESD22-C101C exceeds 1000 V ■ Multiple package options ■ Specified from ?40 °C to +85 °C and from ?40 °C to +125 °C

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