SN74LV8153PWR-P Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74LV8153PWR-P is a serial-to-parallel interface IC by Texas Instruments in a small outline package operating from 1.65 V to 5.5 V. Key specs: 8-bit parallel output, SPI-compatible serial input, and 24 mA output drive capability. Available from stock worldwide with same-day shipping for digital interface designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- SN74LV8153PWR-P Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74LV8153PWR-P?
- 1.65 V to 5.5 V wide supply range enables direct interfacing between 1.8 V microcontrollers and 5 V legacy parallel peripherals
- SPI-compatible serial input with 8-bit parallel output reduces GPIO pin count by up to 6 pins per device in port expansion applications
- 24 mA output drive per channel supports direct LED driving and resistive load switching without external buffer transistors
What is SN74LV8153PWR-P used for?
The SN74LV8153PWR-P is used in microcontroller systems that need to expand parallel output ports using a serial SPI bus, such as keypad decoders, LED array drivers, and relay control boards. Its 1.65 V to 5.5 V supply range allows mixed-voltage systems where a 3.3 V MCU controls 5 V output peripherals without level translators. Industrial control panels and embedded I/O modules use it to drive indicator LEDs, solenoids, or relay coils from a 2-wire SPI interface.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74LV8153PWR-P datasheet?
SN74LV8153PWR-P Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74LV8153PWR-P?
Compatible alternatives and drop-in replacements for SN74LV8153PWR-P:
Frequently Asked Questions
How many GPIO pins does the SN74LV8153PWR-P save on an MCU when expanding parallel output capacity?
The SN74LV8153PWR-P converts a 3-wire SPI interface (clock, data, latch) to 8 parallel outputs, saving 5 GPIO pins per device compared to direct MCU port connections. In a system needing 32 digital outputs, chaining 4 SN74LV8153PWR-P devices consumes only 3 MCU pins instead of 32, freeing those pins for ADC, PWM, or communication functions on a 48-pin MCU where GPIO is often the limiting resource.
Can the SN74LV8153PWR-P directly drive LEDs without external current-limiting transistors in a display application?
Yes, each output pin of the SN74LV8153PWR-P can sink or source 24 mA, sufficient to drive a standard 3 mm or 5 mm LED with a 100 Ω to 330 Ω series resistor from a 3.3 V or 5 V supply at 10 mA to 20 mA. An 8-LED status panel can be driven directly from a single SN74LV8153PWR-P without transistor arrays, reducing the BOM by 8 components and simplifying board layout in a 20 mm × 30 mm indicator module.
What is the maximum SPI clock frequency the SN74LV8153PWR-P supports and how does that affect update rate in a large LED matrix?
The SN74LV8153PWR-P supports SPI clock frequencies up to 25 MHz at 3.3 V supply, allowing an 8-bit register to be loaded in 320 ns. For a 64-LED matrix using 8 chained devices with 64-bit total shift register length, the full array updates in approximately 2.56 µs at 25 MHz — fast enough for 390 kHz PWM dimming cycles, which produces flicker-free dimming above the 200 Hz threshold visible to the human eye.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
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