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74VHC CMOS logic IC series


Function 1 Decoder
Function 2 3-to-8 Line Decoder
Input type TTL Input / Input-Tolerant
Output type Power-down-Protection
Number of Circuits 1
RoHS Compatible Product(s) (#) Available
Assembly bases Japan

Package Information

Toshiba Package Name SOP16
Pins 16
Mounting Surface Mount
Package Dimensions View
Land pattern dimensions View

 Please refer to the link destination to check the detailed size.

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Output current (Min) IO VCC=4.5V 8 mA
Propagation delay time (Typ.) tpd_tpz VCC=5V 7.6 nsec
Supply Voltage (Max) VCC - 5.5 V
Supply Voltage (Min) VCC - 4.5 V



Data sheet TC74VHCT138AF Data sheet/Japanese [Jan,2019] (PDF: 551KB)
Data sheet TC74VHCT138AF Data sheet/English [Jan,2019] (PDF: 449KB)
IBIS IBIS Model [Feb,2008] (IBS: 41KB)
Reliability Information Reliability Data [Dec,2013] (PDF: 161KB)
Environment Information Certificate Regarding EU RoHS(2011/65/EU)Controlled Substances [Nov,2019] (PDF: 45KB) UPDATED
Environment Information Certificate on Content of SVHC of REACH [Nov,2019] (PDF: 45KB) UPDATED
Application Note CMOS Logic Ics TC74VHC/VHCT/VHC9/VHCV Series [Sep,2018] (PDF: 2628KB)
Application Note Precaution when Designing Circuits [Sep,2018] (PDF: 1166KB)
Application Note Glossary of CMOS Logic ICs [Apr,2018] (PDF: 851KB)

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Orderable part number

Orderable part number
MOQ(pcs) Reliability
TC74VHCT138AF(EK,F 2000 Yes


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