CD74HCT377

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High Speed CMOS Logic Octal D-Type Flip-Flop with Data Enable

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Product details

Parameters

Technology Family HCT Input type TTL-Compatible CMOS Output type Push-Pull VCC (Min) (V) 4.5 VCC (Max) (V) 5.5 Channels (#) 8 Clock Frequency (Max) (MHz) 20 ICC (uA) 80 IOL (Max) (mA) 4 IOH (Max) (mA) -4 Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode Rating Catalog open-in-new Find other D-type flip-flop

Package | Pins | Size

PDIP (N) 20 229 mm² 24.33 x 9.4 SOIC (DW) 20 132 mm² 12.8 x 10.3 open-in-new Find other D-type flip-flop

Features

  • Buffered Common Clock
  • Buffered Inputs
  • Typical Propagation Delay at CL = 15pF, VCC = 5V, TA = 25°C
    • 14 ns (HC Types)
    • 16 ns (HCT Types)
  • Fanout (Over Temperature Range)
    • Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads
    • Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
  • Wide Operating Temperature Range . . . –55°C to 125°C
  • Balanced Propagation Delay and Transition Times
  • Significant Power Reduction Compared to LSTTL Logic ICs
  • HC Types
    • 2V to 6V Operation
    • High Noise Immunity: NIL = 30%, NIH = 30%of VCC at VCC = 5V
  • HCT Types
    • 4.5V to 5.5V Operation
    • Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
    • CMOS Input Compatibility, Il 1µA at VOL, VOH
open-in-new Find other D-type flip-flop

Description

The ’HC377 and ’HCT377 are octal D-type flip-flops with a buffered clock (CP) common to all eight flip-flops. All the flip-flops are loaded simultaneously on the positive edge of the clock (CP) when the Data Enable (E\) is Low.

open-in-new Find other D-type flip-flop
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Technical documentation

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Type Title Date
* Datasheet CD54HC377, CD74HC377, CD54HCT377, CD74HCT377 datasheet (Rev. C) Feb. 17, 2004
Selection guides Logic Guide (Rev. AB) Jun. 12, 2017
Application notes Implications of Slow or Floating CMOS Inputs (Rev. D) Jun. 23, 2016
Application notes Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) Dec. 02, 2015
Application notes Power-Up Behavior of Clocked Devices (Rev. A) Feb. 06, 2015
Solution guides LOGIC Pocket Data Book (Rev. B) Jan. 16, 2007
Application notes Semiconductor Packing Material Electrostatic Discharge (ESD) Protection Jul. 08, 2004
User guides Signal Switch Data Book (Rev. A) Nov. 14, 2003
More literature Logic Cross-Reference (Rev. A) Oct. 07, 2003
Application notes TI IBIS File Creation, Validation, and Distribution Processes Aug. 29, 2002
Application notes CMOS Power Consumption and CPD Calculation (Rev. B) Jun. 01, 1997
Application notes Designing With Logic (Rev. C) Jun. 01, 1997
Application notes SN54/74HCT CMOS Logic Family Applications and Restrictions May 01, 1996
Application notes Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc Apr. 01, 1996

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$10.00
Description
This EVM is designed to support any logic device that has a D, DW, DB, NS, PW, P, N, or DGV package in a 14 to 24 pin count.
Features
  • Board design allows for versatility in evaluation
  • Supports a wide-range of logic devices

CAD/CAE symbols

Package Pins Download
PDIP (N) 20 View options
SOIC (DW) 20 View options

Ordering & quality

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