CY74FCT374T Octal D-Type Registers with 3-State Outputs | TI.com

CY74FCT374T
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Octal D-Type Registers with 3-State Outputs

Octal D-Type Registers with 3-State Outputs - CY74FCT374T
Datasheet
 

Description

The \x92FCT374T 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 \x92FCT374T 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.

Features

  • Function, Pinout, and Drive Compatible With FCT and F Logic
  • Reduced VOH (Typically = 3.3 V) Versions of Equivalent FCT Functions
  • Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics
  • Ioff Supports Partial-Power-Down Mode Operation
  • Matched Rise and Fall Times
  • Fully Compatible With TTL Input and Output Logic Levels
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)
  • Edge-Triggered D-Type Inputs
  • 250-MHz Typical Switching Rate
  • CY54FCT374T
    • 32-mA Output Sink Current
    • 12-mA Output Source Current
  • CY74FCT374T
    • 64-mA Output Sink Current
    • 32-mA Output Source Current
  • 3-State Outputs

Parametrics

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Part number Order Technology Family Input type Output type VCC (Min) (V) VCC (Max) (V) IOL (Max) (mA) IOH (Max) (mA) Rating Package Group
CY74FCT374T Order now FCT     TTL     CMOS     4.75     5.25     64     -32     Catalog     PDIP | 20
SOIC | 20
SSOP | 20    
CY54FCT374T Samples not available FCT     TTL     CMOS     4.75     5.25     64     -32     Military     CDIP | 20
LCCC | 20