Representative package image. See datasheet for exact dimensions.SN74HC244DWR
Octal buffer/line driver with 3-state outputs, 2 V to 6 V, SOIC-20
| Manufacturer | Texas Instruments |
|---|---|
| Category | Logic ICs |
| Series | SN74HC244 |
| Package | SOIC-20 (12.80x10.30 mm) |
| Lifecycle | Active |
| Datasheet | SN74HC244DWR PDF |
| Availability |
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SN74HC244DWR Datasheet PDF
Official Texas Instruments datasheet. Quotes include unit price, available quantity, lead time and photos of the actual parts with the date code.
SN74HC244DWR Pinout & Package
SN74HC244DWR is supplied in a SOIC-20 (12.80x10.30 mm) package. The full pin configuration, pin descriptions and mechanical drawing are published in the Texas Instruments datasheet (open SN74HC244DWR datasheet PDF). Always check the footprint against the latest datasheet revision before layout.
SN74HC244DWR Overview
The SN74HC244DWR is a TI octal buffer and line driver with 3-state outputs in SOIC-20, organised as two 4-bit buffers with separate output enables. 2 V to 6 V supply, typical tpd 11 ns. Data from TI datasheet SCLS130.
Key Features
- Octal non-inverting buffer, two 4-bit groups
- Supply 2 V to 6 V
- tpd 11 ns typ
- ±6 mA drive at 5 V
- ICC 80 µA max
Applications
- Memory address and bus drivers
- LED displays
- I/O expanders, network switches
SN74HC244DWR Specifications
| Part Number | SN74HC244DWR |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Logic ICs |
| Series | SN74HC244 |
| Package / Case | SOIC-20 (12.80x10.30 mm) |
| Function | Octal buffer/line driver, 3-state, non-inverting |
| Supply voltage | 2 V to 6 V |
| Typical tpd | 11 ns |
| Output drive | ±6 mA at 5 V |
| ICC (max) | 80 µA |
| Lifecycle Status | Active |
Specifications are taken from the manufacturer's public datasheet and are for reference. Confirm against the latest datasheet before design-in.
SN74HC244DWR Alternatives & Equivalents
| Part Number | Manufacturer | Compatibility | RFQ |
|---|---|---|---|
| SN74HC244PWR | Texas Instruments | same part, TSSOP-20 | |
| SN74LVC244APWR | Texas Instruments | LVC family, 244 function | |
| SN74HC245PWR | Texas Instruments | HC octal bus transceiver |
Alternatives are for reference. Verify pinout, electrical characteristics and firmware against each datasheet before substituting.
SN74HC244DWR Guides & Comparisons
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More engineering notes on the PartVane blog.
SN74HC244DWR FAQ
Who manufactures SN74HC244DWR?
SN74HC244DWR is manufactured by Texas Instruments and belongs to the SN74HC244 series. It is listed under Logic ICs.
What is SN74HC244DWR?
SN74HC244DWR: Octal buffer/line driver with 3-state outputs, 2 V to 6 V, SOIC-20.
What package does SN74HC244DWR come in?
SN74HC244DWR comes in a SOIC-20 (12.80x10.30 mm) package.
Where can I download the SN74HC244DWR datasheet and pinout?
The Texas Instruments datasheet for SN74HC244DWR is linked in the Datasheet section of this page (https://www.ti.com/lit/ds/symlink/sn74hc244.pdf). The pin configuration and package drawing are in that datasheet.
Is SN74HC244DWR still in production?
The manufacturer lists SN74HC244DWR as Active.
What is the equivalent or alternative to SN74HC244DWR?
Documented alternatives to SN74HC244DWR: SN74HC244PWR (Texas Instruments, same part, TSSOP-20); SN74LVC244APWR (Texas Instruments, LVC family, 244 function); SN74HC245PWR (Texas Instruments, HC octal bus transceiver). Always verify pinout and electrical characteristics against each datasheet before substituting.
Do you have SN74HC244DWR in stock?
Yes. PartVane holds stock of SN74HC244DWR. Send the quantity you need and we will confirm the available quantity, date code and delivery in the quotation.
How do I get a price and availability for SN74HC244DWR?
Message the owner on WhatsApp (+86 139 3944 9974), use the quote form on this page or email sales@partvane.com with the quantity and target delivery date. On WhatsApp we quote within 2 hours during business hours (Mon–Sat, 09:00–18:00 China time (UTC+8)); every RFQ is answered within 24 hours. The quotation includes unit price, availability, lead time and photos of the actual parts with the date code / lot label.