AiP74HCT138
AiP74HCT138 is the I-CORE functional equivalent of SN74HCT138 / 74HCT138: 3-to-8 line Decoder/Demultiplexer; inverting (TTL-compatible inputs), SOP-16, 4.5–5.5 V, −40 to 125 °C. Factory-original stock in Shenzhen; free samples with shipping paid.
CMOS-input version (2.0–6.0 V): AIP74HC138TA16.TR
Key specifications
| Manufacturer | I-CORE (Wuxi I-CORE Electronics Co., Ltd.) |
|---|---|
| Part number | AiP74HCT138 |
| Function | 3-to-8 Line Decoder/Demultiplexer; Inverting (TTL-compatible inputs) |
| Package | SOP-16 |
| Order codes in stock | AIP74HCT138SA16.TR, AiP74HCT138SA16.TB |
| Supply voltage | 4.5–5.5 V |
| Operating temperature | −40 to 125 °C |
| Replaces | SN74HCT138 |
| 74HCT138 | |
| Compliance | RoHS (EU 2011/65/EU + 2015/863) and REACH SVHC — third-party lab tested; reports on request |
| Datasheet | PDF, English |
Questions buyers ask
- Can AiP74HCT138 replace SN74HCT138?
- AiP74HCT138 is I-CORE's functional equivalent of SN74HCT138, 74HCT138 in the same SOP-16 package. Standard parts in this family share the industry pinout, but please compare both datasheets — supply range, timing and absolute maximum ratings — before design-in.
- How is AiP74HCT138 different from AIP74HC138TA16.TR?
- Both are covered by the same I-CORE datasheet. AiP74HCT138 has TTL-compatible inputs (VIH min. 2.0 V) and runs from 4.5–5.5 V, so it can be driven directly by TTL-level or 3.3 V logic in a 5 V system. AIP74HC138TA16.TR has CMOS input thresholds and runs from 2.0–6.0 V.
- What is the supply voltage and temperature range of AiP74HCT138?
- Supply: 4.5–5.5 V. Operating temperature: −40 to 125 °C. See the datasheet for full electrical characteristics.
- Is AiP74HCT138 in stock, and can I get a free sample?
- Yes, it is held in stock in Shenzhen. Free samples are available for evaluation, with shipping paid by us. For production orders, SMD parts can be ordered from 1 pc and DIP parts ship in full tubes; orders ship within 2–3 business days after payment.
- Is it original I-CORE product?
- Yes. We supply factory-original I-CORE (Wuxi I-CORE Electronics) parts in sealed reels and tubes. Our ISO 9001, ISO 14001 and ISO 45001 certificates are shown on the home page; RoHS and REACH test reports are available on request.
Datasheet highlights
From the I-CORE English datasheet AiP74HC/HCT138-AX-LJ-A013EN (revision 2026-05-B2). The full datasheet PDF is linked above.
General description
The AiP74HC/HCT138 decodes three binary weighted address inputs(A0, A1 and A2) to eight mutually — — exclusive outputs (Y0 to Y7). The device features three enable inputs (E1, E2 and E3). Every output will — be HIGH unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion to a 1-of-32(5 to 32 lines) decoder with just four AiP74HC/HCT138 ICs and one inverter. The AiP74HC/HCT138 can be used as an eight output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Key features
- For AiP74HC138: CMOS level
- For AiP74HCT138: TTL level
- Demultiplexing capability
- Multiple input enable for easy expansion
- Ideal for memory chip select decoding
- Active LOW mutually exclusive outputs
- Specified from -40℃ to +125℃
Request a quote
We reply within 1 business day. Free samples — shipping on us. Tell us the part number, quantity and your application.
Related I-CORE parts
74HC & CD4000 standard logic equivalents → · See all 375 parts →