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

CY74FCT374T (ACTIVE) 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 VCC (Min) (V) VCC (Max) (V) Bits (#) Voltage (Nom) (V) F @ nom voltage (Max) (MHz) ICC @ nom voltage (Max) (mA) tpd @ nom Voltage (Max) (ns) IOL (Max) (mA) IOH (Max) (mA) 3-state output Rating Operating temperature range (C)
CY74FCT374AT Order now FCT     4.75     5.25     8     5     70     0.2     6.5     64     -32     Yes     Catalog     -40 to 85    
CY74FCT374CT Samples not available FCT     4.75     5.25     8     5     70     0.2     5.2     64     -32     Yes     Catalog     -40 to 85    
CY74FCT374T Samples not available FCT     4.75     5.25     8     5     70     0.2     11     64     -32     Yes     Catalog     -40 to 85    
CY54FCT374T Samples not available FCT     4.75     5.25     8     5     70     0.2     11     64     -32     Yes     Military     -55 to 125