SN74LVC16244ADGG-P Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74LVC16244ADGG-P is a 16-bit non-inverting buffer and line driver from Texas Instruments LVC family, operating from 1.65V to 3.6V with 3-state outputs for low-voltage bus applications. Packaged in a 48-pin TSSOP for high-density PCB layouts with low-voltage CMOS inputs. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- SN74LVC16244ADGG-P Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 16-bit wide buffer with 3-state outputs enabling high-capacity low-voltage bus driving from 1.65V to 3.6V
- LVC family provides 5V input voltage tolerance allowing direct interface with 5V logic without level translation
- Low power consumption with CMOS technology and partial power-down (Ioff) for live bus insertion applications
- 48-pin TSSOP DGG package for compact high-density surface-mount assembly in space-constrained designs
Applications
The SN74LVC16244ADGG-P is ideal for buffering wide data buses in low-voltage microprocessor and FPGA systems operating at 1.8V, 2.5V, or 3.3V supply rails. Its 5V-tolerant inputs allow direct connection to legacy 5V logic outputs while the device operates at lower voltages, simplifying mixed-voltage system design. Typical applications include memory bus buffering, address and data bus drivers in embedded systems, and signal isolation between PCB sections in telecommunications and computing equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74LVC16244ADGG-P:
Bus Driver, LVC/LCX/Z Series, 16-Func, 4-Bit, True Output, CMOS, PDSO48
Bus Driver, LVC/LCX/Z Series, 16-Func, 4-Bit, True Output, CMOS, PDSO48
Frequently Asked Questions
What is the operating voltage range of the SN74LVC16244ADGG-P?
The SN74LVC16244ADGG-P operates from a supply voltage (VCC) of 1.65V to 3.6V. This covers all common low-voltage logic standards including 1.8V, 2.5V, and 3.3V systems. Additionally, the LVC family provides 5V-tolerant inputs, meaning the input pins can accept up to 5V signals even when VCC is as low as 1.65V, enabling direct interfacing with 5V logic systems.
How many bits does the SN74LVC16244ADGG-P buffer and how are the outputs controlled?
The SN74LVC16244ADGG-P is a 16-bit buffer organized as two independent 8-bit sections, each with its own active-low output enable pin (1OE and 2OE). When an OE pin is low, the corresponding 8 outputs actively drive the bus. When OE is high, those 8 outputs enter high-impedance 3-state mode. This allows independent control of two byte-wide buses with a single device.
What package does the SN74LVC16244ADGG-P use?
The SN74LVC16244ADGG-P is packaged in a 48-pin TSSOP (Thin Shrink Small Outline Package), as indicated by the DGG suffix. The TSSOP package has a 0.5mm lead pitch and is very compact, making it suitable for high-density PCB designs. The -P suffix indicates this is a Green/RoHS-compliant version meeting environmental regulations.
What is the Ioff feature in the SN74LVC16244ADGG-P?
The Ioff feature means that when VCC is 0V (power off), the output and input pins will not source current from the live bus. This partial power-down protection prevents the device from backdriving the bus or drawing excessive current from connected signals when the device is unpowered. It is particularly important in hot-plug and live insertion applications where boards may be inserted while the bus is active.
Can the SN74LVC16244ADGG-P replace 74LVCH16244 or 74ALVC16244?
The SN74LVC16244ADGG-P is functionally equivalent to 74LVCH16244 devices and pin-compatible with 74ALVC16244 in the same package. The LVC family offers a good balance of speed, power, and voltage range. The ALVC family provides higher speed at the expense of slightly higher power consumption, while LVCH adds bus-hold capability. Choose based on whether bus-hold or higher speed is the primary requirement for your application.
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