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74ALVCH16825DGGY

Name: 74ALVCH16825DGGY
Rating: 4.7 (12 reviews)

IC BUF NON-INVERT 3.6V 56TSSOP

製造商
製造商。部分 #74ALVCH16825DGGY
包 56-TFSOP (0.240, 6.10mm Width)
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規格

Supplier	Nexperia USA Inc.
Package	Tape & Reel (TR)
Series	74ALVCH
ProductStatus	Active
LogicType	Buffer, Non-Inverting
NumberofElements	2
NumberofBitsperElement	9
OutputType	3-State
Current-OutputHighLow	24mA, 24mA
Voltage-Supply	1.2V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	56-TFSOP (0.240, 6.10mm Width)

概述

Description

74ALVCH16825DGGY is a high-speed, low-voltage CMOS device from TI’s ALVCH family. It is a 16-bit buffer/latched interface with tri-state outputs, intended to buffer and/or latch a parallel 16-bit data bus for bus interfacing between a microprocessor (or controller) and peripherals. The “16825” family part typically provides two 8-bit sections that can be driven onto a shared bus when enabled, enabling safe data isolation and expansion of I/O. It operates on a single supply in the 1.65–5.5 V range and features inputs that are compatible with standard CMOS logic levels. The DGGY suffix denotes the specific SMD package and variant for this part.
Common uses include data bus buffering, address/data multiplexing, and I/O expansion in microcontroller-based designs, where controlled output enable allows multiple devices to share a bus without contention. For exact pinout, timing, and electrical characteristics, consult the TI datasheet for the exact package variant.

Features

Here are the typical features of the 74ALVCH16825DGGY (ALVCH family) in brief:
- 8-bit bidirectional buffer/transceiver (A and B buses)
- Direction control input (DIR) to select transfer direction
- Output enable input (OE) for 3-state outputs (Hi-Z)
- Low-voltage CMOS operation: supply range ~1.65 V to 3.6 V
- High-speed, low-power performance
- CMOS/TTL-input compatibility
- Bus-hold on data inputs to minimize floating signals (where applicable)
- ESD protection on inputs
- Small-footprint packaging (DGGY variant)
Note: exact drive strength, input/output voltage levels, and timing specs are in the datasheet for precise design.

Package

The SN74ALVCH16825DGGY is in a 28‑pin TSSOP (surface‑mount) package.

Pinout

- Pin count: 20 pins (DGGY package, typically TSSOP-20).
- Function: 74ALVCH16825 is a 16-bit register buffer with tri-state outputs. It provides a latched 16-bit data path (D0–D15 to Q0–Q15) clocked by CLK, with an output-enable (OE) to tri-state the outputs for bus sharing. Used to buffer and drive a 16-bit data bus.

Manufacturer

- Manufacturer: Texas Instruments (TI)
- Company type: American multinational semiconductor company that designs, manufactures, and markets analog and digital integrated circuits and related products.

Application

Applications of 74ALVCH16825DGGY include:
- Data-bus buffering and interface between microprocessors/microcontrollers and peripherals
- Address/data multiplexing and latching in memory and I/O subsystems
- Level shifting and bus isolation between voltage domains (e.g., 3.3V/5V)
- Backplane/interconnect buffering for FPGAs/ASICs
- High-speed data storage/transfer in peripherals, telecom, automotive and industrial electronics

Equivalent

Functional equivalents (8-bit bidirectional buffer/transceiver with 3-state outputs) include:
- TI SN74ALVCH16825DGGY (the same device)
- Nexperia 74ALVCH16825
- ON Semiconductor MC74ALVCH16825
Note: pinout and timing may vary by vendor; verify datasheets and packaging (DGGY = lead-free, ~20-pin) before replacement.