74HCT138D 3-to-8 Line Decoder Demultiplexer IC 16-Pin SOIC Integrated Circuit
High-speed Si-gate CMOS 3-to-8 line decoder/demultiplexer with inverting outputs. Features multiple enable inputs for easy expansion, ideal for memory chip select decoding. Pin compatible with LSTTL, JEDEC standard compliant. Active LOW mutually exclusive outputs.
74HCT138D Electronic Components IC PC Board Integratedcircuit
74HCT138D 3-to-8 line decoder/demultiplexer; inverting
FEATURES
• Demultiplexing capability
• Multiple input enable for easy expansion
• Ideal for memory chip select decoding
• Active LOW mutually exclusive outputs
• Output capability: standard
• ICC category: MSI GENERAL
DESCRIPTION
The 74HC/HCT138 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.
PIN DESCRIPTION
| PIN NO. | SYMBOL | NAME AND FUNCTION |
|
1, 2, 3 4, 5 6 8 15, 14, 13, 12, 11, 10, 9, 7 16 |
A0 to A2 E1, E2 E3 GND Y0 to Y7 VCC |
address inputs enable inputs (active LOW) enable input (active HIGH) ground (0 V) outputs (active LOW) positive supply voltage |
DC CHARACTERISTICS
FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: MSI
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