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74LVC138 3-to-8 Decoder

74LVC138

Texas Instrumentsic logic

The SN74LVC138A is a 3-to-8 line decoder that decodes three binary inputs to activate one of eight outputs.

In stock

Specifications

5
Operating Voltage
2.7 V to 3.6 V for SN54LVC138A; 1.65 V to 3.6 V for SN74LVC138A.
Supply Current
10 µA
Interface
Digital I/O
Temperature Range
-55°C to 125°C for SN54LVC138A; -40°C to 85°C for SN74LVC138A
Package
Multiple (SOIC, SSOP, TVSOP, D, DB, DGV, J, NS, PW, RGY, W)

Pinout

16
PinNameFunctionsNotes
1A
GPIO
Select input A (least significant bit)
2B
GPIO
Select input B
3C
GPIO
Select input C (most significant bit)
4G2A
GPIO
Active low enable A
5G2B
GPIO
Active low enable B
6G1
GPIO
Active high enable
7VCC
POWER
8E1
GND
9Y0
GPIO
Output 0 (least significant bit)
10Y1
GPIO
Output 1
11Y2
GPIO
Output 2
12Y3
GPIO
Output 3
13Y4
GPIO
Output 4
14Y5
GPIO
Output 5
15Y6
GPIO
Output 6
16Y7
GPIO
Output 7 (most significant bit)

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74LVC138

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