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SN74LS247NMOTON/a340avaiBCD-to-seven-segment decoder/driver
SN54LS247JTIN/a1000avaiBCD-to-seven-segment decoder/driver


SN54LS248J ,BCD-TO-SEVEN-SEGMENT DECODERS/DRIVERSSN54/74LS247SN54/74LS248SN54/74LS249BCD-TO-SEVEN-SEGMENTDECODERS/DRIVERSThe SN54/74LS247 thru SN54/ ..
SN54LS251J ,8-INPUT MULTIPLEXER WITH 3-STATE OUTPUTSFUNCTIONAL DESCRIPTION The LS251 is a logical implementation of a single pole, When the Output Enab ..
SN54LS253J ,DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTSSN54/74LS253DUAL 4-INPUT MULTIPLEXERWITH 3-STATE OUTPUTSThe LSTTL/MSI SN54/74LS253 is a Dual 4-Inpu ..
SN54LS257BJ ,Quad 2-input multiplexer with 3-state outputsSN54/74LS257BSN54/74LS258BQUAD 2-INPUT MULTIPLEXERWITH 3-STATE OUTPUTSThe LSTTL/MSI SN54/74LS257B a ..
SN54LS257J ,QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTSLOGIC DIAGRAMSSN54/74LS257B* * * * * * * * * ** ** ** ** ** ** ** ** * * ** ** ** * * ** * ** SN5 ..
SN54LS258BJ ,Quad 2-input multiplexer with 3-state outputs
SN74HC04PWR ,Hex InvertersSample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareSN54HC04,SN74HC04SCL ..
SN74HC04PWR ,Hex InvertersMaximum Ratings.. 411.1 Layout Guidelines.... 116.2 ESD Ratings........ 411.2 Layout Example....... ..
SN74HC04PWR ,Hex InvertersSample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareSN54HC04,SN74HC04SCL ..
SN74HC04PWR ,Hex InvertersMaximum Ratings.. 411.1 Layout Guidelines.... 116.2 ESD Ratings........ 411.2 Layout Example....... ..
SN74HC05 ,Hex Inverters With Open-Drain OutputsMaximum Ratings.. 411 Layout...... 96.2 ESD Ratings........ 411.1 Layout Guidelines...... 96.3 Reco ..
SN74HC05D ,Hex Inverters With Open-Drain OutputsSample & Support &Product Tools &TechnicalCommunityBuyFolder Documents SoftwareSN54HC05,SN74HC05SCL ..


SN54LS247J-SN74LS247N
BCD-to-seven-segment decoder/driver
BCD-TO-SEVEN-SEGMENT
DECODERS/DRIVERS

The SN54/74LS247 thru SN54/74LS249 are BCD-to-Seven-Segment
Decoder/Drivers.
The LS247 and LS248 are functionally and electrically identical to the LS47
and LS48 with the same pinout configuration. The LS249 is a 16-pin version
of the 14-pin LS49 and includes full functional capability for lamp test and
ripple blanking which was not available in the LS49.
The composition of all characters, except the 6 and 9 are identical between
the LS247, 248, 249 and the LS47, 48 and 49. The LS47 thru 49 compose
the and without tails, the LS247 thru 249 compose the and with
the tails. The LS247 has active-low outputs for direct drive of indicators. The
LS248 and 249 have active-high outputs for driving lamp buffers.
All types feature a lamp test input and have full ripple-blanking input/output
controls. On all types an automatic leading and/or trailing-edge zero-blanking
control (RBI and RBO) is incorporated and an overriding blanking input (BI)
is contained which may be used to control the lamp intensity by pulsing or to
inhibit the output’s lamp test may be performed at any time when the BI/RBO
node is at high level. Segment identification and resultant displays are shown
below. Display pattern for BCD input counts above 9 are unique symbols to
authenticate input conditions.
LS247
Open-Collector Outputs Drive Indicators Directly Lamp-Test Provision Leading/Trailing Zero Suppression
LS248
Internal Pull-Ups Eliminate Need for External Resistors Lamp-Test Provision Leading/Trailing Zero Suppression
LS249
Open-Collector Outputs Lamp-Test Provision Leading/Trailing Zero Suppression
SEGMENT
IDENTIFICATION
----------------
NUMERICAL DESIGNATIONS AND RESULTANT DISPLAYS
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