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TI SN74LS247N product image
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TI SN74LS247NRoHS

Manufacturer
TI
MPN
SN74LS247N
LCSC Part #
C182327
Packaging
DIP-16
Customer #
Key Attributes
BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERS
Datasheetpdf iconTI SN74LS247N
In-Stock: 105
105 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 1.7187$ 1.72
10+$ 1.4534$ 14.53
25+$ 1.2874$ 32.19
100+$ 1.1182$ 111.82
500+$ 1.0417$ 520.85
1,000+$ 1.0075$ 1007.50
Standard Packaging25/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Display Drivers
ManufacturerTI
PackagingDIP-16
Voltage - Supply4.75V~5.25V
Configuration-
Operating Temperature0℃~+70℃
Clock Frequency-
Pd - Power Dissipation35mW
Quiescent Current-
Interface-
FeaturesLeading zero blanking;Trailing zero blanking;Lamp test function
Segment Drive Current24mA
Digit Drive Current-
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging25
Sales UnitPiece

Introduction

AI Translation

The '246 and '247 are electrically and functionally identical to the SN5446A/SN7446A and SN5447A/SN7447A respectively, and have the same pin assignments as their equivalents. The 'LS247 and 'LS248 are electrically and functionally identical to the SN54LS47/SN74LS47 and SN54LS48/SN74LS48 respectively, and have the same pin assignments as their equivalents. They can be used interchangeably in present or future designs to offer designers a choice between two indicator fonts. The '46A, '47A, 'Ls47, and 'LS48 compose the H and the without tails and the '246, '247, 'LS247, and 'LS248 compose the B(overline) and the □ with tails. Composition of all other characters, including display patterns for BCD inputs above nine, is identical. The '246, '247, and 'LS247 feature active-low outputs designed for driving indicators directly, and the 'LS248 features active-high outputs for driving lamp buffers. All of the circuits have full ripple-blanking input/output controls and a lamp test input.

All of these circuits incorporate automatic leading and/or trailing-edge zero-blanking control (RBl and RBO). Lamp test (LT(overline)) of these types may be performed at any time when the Bi/RBO node is at a high level. All types contain an overriding blanking input (Bl) which can be used to control the lamp intensity by pulsing or to inhibit the outputs. Inputs and outputs are entirely compatible for use with TTL logic outputs.

Features

AI Translation
  • Open-collector outputs for direct indicator drive
  • Internal pull-up resistors eliminate need for external resistors
  • Lamp test capability
  • Leading/trailing zero suppression
  • Lamp intensity modulation for all circuit types
  • '246, '247, and 'LS247 feature active-low outputs for direct indicator drive
  • 'LS248 features active-high outputs for driving lamp buffers
  • All circuits include full ripple-blanking input/output control and lamp test input
  • All circuits incorporate automatic leading and/or trailing zero blanking control (RBI and RBO)
  • All types include an overridable blanking input (BI) for pulse-controlled lamp intensity or output inhibit
  • Inputs and outputs fully compatible with TTL logic outputs
  • 54 series and 54LS series devices operating temperature range: -55℃ to 125℃
  • 74 series and 74LS series devices operating temperature range: 0℃ to 70℃

Applications

AI Translation
  • Driver indicators
  • Lamp test function
  • Leading/trailing zero suppression