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Home Products Integrated Circuits (ICs)Logic - Latches~~SN74ALVCH16841DGGR~~

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SN74ALVCH16841DGGR - Texas Instruments

Name: Texas Instruments SN74ALVCH16841DGGR
Brand: Texas Instruments
SKU: SN74ALVCH16841DGGR
Availability: InStock
Rating: 5 (4 reviews)

Manufacturer Part Number: SN74ALVCH16841DGGR

Manufacturer: Texas Instruments

Allelco Part Number: 32D-SN74ALVCH16841DGGR

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 18,577 pcs available, New & Original

Parts Description: IC BUS-INTERFACE LATCH 56-TSSOP

Package: 56-TSSOP

Data sheet: SN74ALVCH16841D.pdf

HTML Datasheet
SN74ALVCH16841.pdf

RoHs Status: ROHS3 Compliant

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In stock: 18577

Specifications

SN74ALVCH16841DGGR Tech Specifications
Texas Instruments - SN74ALVCH16841DGGR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74ALVCH16841DGGR

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Supply	1.65V ~ 3.6V
Supplier Device Package	56-TSSOP
Series	74ALVCH
Package / Case	56-TFSOP (0.240", 6.10mm Width)
Package	Tape & Reel (TR)
Output Type	Tri-State
Operating Temperature	-40°C ~ 85°C

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Logic Type	D-Type Transparent Latch
Independent Circuits	2
Delay Time - Propagation	1ns
Current - Output High, Low	24mA, 24mA
Circuit	10:10
Base Product Number	74ALVCH16841

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Parts Introduction

SN74ALVCH16841DGGR (1)

Manufacturer Part Number

SN74ALVCH16841DGGR

Manufacturer

Texas Instruments

Introduction

The SN74ALVCH16841DGGR is a D-Type Transparent Latch designed for high-speed, low-voltage applications in logic latching operations.

Product Features and Performance

Logic Type: D-Type Transparent Latch

Circuit Configuration: 10:10

Output Type: Tri-State

Voltage Supply Range: 1.65V to 3.6V

Independent Circuits: 2

Propagation Delay Time: 1ns

Output Current High, Low: 24mA

Operating Temperature Range: -40°C to 85°C

Mounting Type: Surface Mount

Package: 56-TFSOP (Width 6.10mm)

Product Advantages

High-speed performance with propagation delay of only 1ns

Low voltage operation, suitable for modern low-power applications

Tri-State output for increased flexibility in circuit integration

Dual independent circuits enhance versatility

Key Technical Parameters

Propagation Delay Time: 1ns

Supply Voltage: 1.65V 3.6V

Output Current: 24mA High, 24mA Low

Temperature Operating Range: -40°C to 85°C

Quality and Safety Features

Compliant with industry standards for electronic component safety and performance

Compatibility

Compatible with various logic families due to its wide voltage supply range and Tri-State output functionality

Application Areas

Telecommunications

Computing systems

Data processing

Industrial controls

Product Lifecycle

Status: Active

Not nearing discontinuation and replacements or upgrades are readily available

Several Key Reasons to Choose This Product

Extremely fast performance with minimal propagation delay

Operates effectively across a range of power supply levels

Provides high output current for driving multiple loads

Applicable in a variety of high-demand environments due to its robust operating temperature range

Reliable and durable design supported by Texas Instruments’ reputable manufacturing standards

Frequently Asked Questions(FAQ)

How does the propagation delay of the SN74ALVCH16841DGGR compare when operating at 3.6V versus 1.65V, and what implications does this have for high-speed bus applications?: The SN74ALVCH16841DGGR exhibits a propagation delay of approximately 1ns at typical operating conditions, but this value can vary with supply voltage. At 3.6V, the propagation delay generally decreases slightly due to higher signal integrity and drive strength, whereas at 1.65V, the delay may increase by up to 20–30% depending on load and fan-out. In high-speed systems where timing margins are critical—such as DDR memory interfaces or parallel processor buses—this voltage-dependent variation necessitates careful PCB layout and signal conditioning to maintain reliable data capture across all power rails.

What is the maximum recommended output current sourcing capability for the SN74ALVCH16841DGGR, and how should it be considered in driving capacitive loads?: Each output of the SN74ALVCH16841DGGR can source up to 24mA (I_OH) and sink up to 24mA (I_OL). However, continuous operation near these limits must account for junction temperature rise, especially in compact 56-TSSOP packaging. When driving capacitive loads—such as long traces or external buffers—the transient current during switching approaches these peak values. Designers should limit total dynamic current draw per package to avoid thermal derating and ensure signal integrity; adding series termination resistors or using spread-spectrum clocking can mitigate overshoot and reduce effective loading.

Can the SN74ALVCH16841DGGR be used safely in automotive-grade environments, and what design precautions are necessary given its commercial temperature range?: The SN74ALVCH16841DGGR is rated for industrial temperatures (-40°C to +85°C), which exceeds basic commercial grades but falls short of AEC-Q100 qualification. While suitable for many non-automotive industrial systems, direct use in automotive applications without additional validation is not advised. If deployed in harsh environments, engineers should implement robust ESD protection, conformal coating, and derate power dissipation by at least 20% to compensate for potential thermal cycling effects and long-term reliability concerns.

How does the tri-state functionality of the SN74ALVCH16841DGGR affect bus contention risks, and what control signal strategies minimize such hazards?: The SN74ALVCH16841DGGR’s tri-state outputs allow multiple devices to share a common bus without physical isolation, reducing pin count and board space. However, simultaneous assertion of enable signals from different drivers can cause bus contention, potentially damaging outputs. To prevent this, designers typically employ centralized arbitration logic or daisy-chained enable sequences. Additionally, implementing weak pull-up/pull-down resistors or using open-drain configurations alongside the tri-state feature enhances fault tolerance and simplifies hot-plug scenarios in multi-master systems.

In what scenarios would the dual-channel architecture of the SN74ALVCH16841DGGR offer advantages over single-channel alternatives, and how does channel independence influence system design?: The SN74ALVCH16841DGGR integrates two independent 10:10 D-type transparent latches, enabling parallel data path handling within a single package. This is particularly beneficial in wide-data-bus applications like flash memory controllers or address/data multiplexers, where splitting signals across channels reduces routing congestion and improves timing skew. Because each channel operates independently, one can serve as a control line while the other handles payload data, allowing asymmetric data widths without requiring additional ICs—optimizing both performance and BOM cost.

What are the key differences between the SN74ALVCH16841DGGR and similar parts like the SN74LVCH16841DGGR, particularly regarding voltage compatibility and noise margin?: While both SN74ALVCH16841DGGR and SN74LVCH16841DGGR are 16-bit D-type transparent latches in 56-TSSOP packages, the ALVCH variant supports a broader supply range (1.65V–3.6V) compared to LVCH (1.8V–3.6V), offering greater flexibility in mixed-voltage designs. The ALVCH family also incorporates enhanced input hysteresis and lower input leakage, improving noise immunity at low voltages. For systems transitioning from legacy 3.3V to 1.8V logic, the ALVCH offers smoother migration paths with better sub-2V performance characteristics.

How should decoupling capacitors be selected and placed when using the SN74ALVCH16841DGGR in dense digital designs, and what impact do poor power integrity practices have?: Given the SN74ALVCH16841DGGR’s fast edge rates (~1ns propagation) and high output currents (up to 24mA per pin), aggressive transients occur during switching. A typical design includes a 0.1µF ceramic capacitor placed within 2mm of each VCC/GND pair, supplemented by bulk capacitance (e.g., 10µF tantalum) near the power entry point. Poor decoupling leads to ground bounce, increased EMI, and false triggering due to supply droop—especially problematic in multi-drop bus topologies where return currents create shared impedance paths.

Is it acceptable to chain multiple SN74ALVCH16841DGGR devices in series for extended data buffering, and what limitations arise from cumulative propagation delays?: Cascading SN74ALVCH16841DGGR units for deep buffering is technically feasible, but each stage adds ~1ns of propagation delay, which can quickly violate setup and hold times in synchronous systems. For example, four cascaded stages introduce 4ns of latency—problematic in DDR interfaces requiring <2ns skew budgets. Moreover, accumulated jitter and reduced noise margins degrade signal quality. Instead, designers often prefer dedicated FIFO or register buffer ICs optimized for multi-stage synchronization, reserving the SN74ALVCH16841DGGR for localized latching within clock domains rather than long-path buffering.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74ALVCH16841DGGR

Product Attribute
Part Number	SN74ALVCH16841DGGR	SN74ALVCH16841DLR	SN74ALVCH16835DGG	SN74ALVCH16901DGGR
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Supplier Device Package	56-TSSOP	56-SSOP	-	64-TSSOP
Series	74ALVCH	74ALVCH	*	74ALVCH
Base Product Number	74ALVCH16841	74ALVCH16841	74ALVCH16835	74ALVCH16901
Output Type	Tri-State	Tri-State	-	-
Current - Output High, Low	24mA, 24mA	24mA, 24mA	-	24mA, 24mA
Voltage - Supply	1.65V ~ 3.6V	1.65V ~ 3.6V	-	1.65V ~ 3.6V
Delay Time - Propagation	1ns	1ns	-	-
Package	Tape & Reel (TR)	Tape & Reel (TR)	Bulk	Tape & Reel (TR)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-	-40°C ~ 85°C
Circuit	10:10	10:10	-	-
Package / Case	56-TFSOP (0.240", 6.10mm Width)	56-BSSOP (0.295", 7.50mm Width)	-	64-TFSOP (0.240', 6.10mm Width)
Mounting Type	Surface Mount	Surface Mount	-	Surface Mount
Logic Type	D-Type Transparent Latch	D-Type Transparent Latch	-	Universal Bus Transceiver
Independent Circuits	2	2	-	-

SN74ALVCH16841DGGR Datasheet PDF

Download SN74ALVCH16841DGGR pdf datasheets and Texas Instruments documentation for SN74ALVCH16841DGGR - Texas Instruments.

HTML Datasheet: SN74ALVCH16841.pdf

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Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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