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Product details

Parameters

Technology Family HC Supply voltage (Min) (V) 2 Supply voltage (Max) (V) 6 Number of channels (#) 8 IOL (Max) (mA) 7.8 ICC (Max) (uA) 80 IOH (Max) (mA) -7.8 Input type Standard CMOS Output type 3-State Features Balanced outputs, Very high speed (tpd 5-10ns), Input clamp diode Rating Automotive, Catalog open-in-new Find other Noninverting buffers & drivers

Package | Pins | Size

PDIP (N) 20 229 mm² 24.33 x 9.4 SOIC (DW) 20 132 mm² 12.8 x 10.3 SOP (NS) 20 98 mm² 12.6 x 7.8 SSOP (DB) 20 38 mm² 5.3 x 7.2 TSSOP (PW) 20 42 mm² 6.5 x 6.4 open-in-new Find other Noninverting buffers & drivers

Features

  • Wide Operating Voltage Range of 2 V to 6 V
  • High-Current Outputs Drive Up to 15 LSTTL
    Loads
  • 3-State Outputs Drive Bus Lines or Buffer Memory
    Address Registers
  • Low Power Consumption: ICC, 80-µA (Maximum)
  • Typical tpd = 11 ns
  • ±6-mA Output Drive at 5 V
  • Low Input Current of 1 µA (Maximum)
  • 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.
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Description

The SNx4HC244 octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The SNx4HC244 devices are organized as two 4-bit buffers and drivers with separate output-enable (OE) inputs. When OE is low, the device passes noninverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

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Technical documentation

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Type Title Date
* Data sheet SNx4HC244 Octal Buffers and Line Drivers With 3-State Outputs datasheet (Rev. E) May 24, 2016
Application note Implications of Slow or Floating CMOS Inputs (Rev. E) Jul. 26, 2021
Application note Optimizing AC Drive Control Panel Systems With Logic and Translation Use Cases Jan. 20, 2021
Selection guide Logic Guide (Rev. AB) Jun. 12, 2017
Application note Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) Dec. 02, 2015
User guide LOGIC Pocket Data Book (Rev. B) Jan. 16, 2007
Application note Simultaneous-Switching Performance of TI Logic Devices (Rev. B) Feb. 23, 2005
Application note Semiconductor Packing Material Electrostatic Discharge (ESD) Protection Jul. 08, 2004
User guide Signal Switch Data Book (Rev. A) Nov. 14, 2003
More literature Logic Cross-Reference (Rev. A) Oct. 07, 2003
Application note TI IBIS File Creation, Validation, and Distribution Processes Aug. 29, 2002
Application note CMOS Power Consumption and CPD Calculation (Rev. B) Jun. 01, 1997
Application note Designing With Logic (Rev. C) Jun. 01, 1997
Application note Input and Output Characteristics of Digital Integrated Circuits Oct. 01, 1996
Application note Live Insertion Oct. 01, 1996
Application note SN54/74HCT CMOS Logic Family Applications and Restrictions May 01, 1996
Application note 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 BOARD Download
document-generic User guide
10
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

Design tools & simulation

SIMULATION MODEL Download
SCHM004A.ZIP (25 KB) - IBIS Model
SIMULATION MODEL Download
SCLM219.ZIP (7 KB) - PSpice Model

CAD/CAE symbols

Package Pins Download
PDIP (N) 20 View options
SO (NS) 20 View options
SOIC (DW) 20 View options
SSOP (DB) 20 View options
TSSOP (PW) 20 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Support & training

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