74ALVCH16835DLG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments 74ALVCH16835DLG4 is an 18-bit universal bus driver with 3-state outputs, supporting 1.65 V to 3.6 V operation and 56-pin SSOP package. Key specs include 24 mA output drive, 50 pF load capacitance, and enable-low control for unidirectional bus buffering. Available in stock worldwide with competitive pricing and fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 56
- Lifecycle
- OBSOLETE
- Datasheet
- 74ALVCH16835DLG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 74ALVCH16835DLG4?
- 18-bit unidirectional bus driver with enable-low control for flexible signal routing
- Wide voltage range of 1.65 V to 3.6 V compatible with ALVCH logic family
- High output drive current up to 24 mA with 3-state outputs for bus sharing
- 56-pin SSOP package for compact PCB layout in high-density designs
What is 74ALVCH16835DLG4 used for?
The 74ALVCH16835DLG4 is designed for high-speed bus driving applications in data communication systems, memory interfaces, and backplane connections. It suits server motherboards and networking equipment where 18-bit parallel data buses require low-voltage, high-drive buffering. The enable-low control makes it ideal for bus arbitration circuits in embedded systems operating from 1.65 V to 3.6 V rails.
What are the specifications of 74ALVCH16835DLG4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | ALVC/VCX/A |
| JESD-30 Code | R-PDSO-G56 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.024A |
| Number of Bits | 18 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP56,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Prop. Delay@Nom-Sup | 5.5ns |
| Propagation Delay (tpd) | 5.5ns |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100; TS 16949 |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 1.65V |
| Supply Voltage-Nom (Vsup) | 1.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.635mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
Where can I find the 74ALVCH16835DLG4 datasheet?
74ALVCH16835DLG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for 74ALVCH16835DLG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output drive current does the 74ALVCH16835DLG4 provide and how does it handle bus loading?
The 74ALVCH16835DLG4 delivers up to 24 mA output drive current with 3-state outputs, allowing multiple devices to share the same 18-bit bus without contention. With a specified load capacitance of 50 pF, it maintains signal integrity at high speeds across LVTTL and LVCMOS logic levels from 1.65 V to 3.6 V.
Which system voltage rails is 74ALVCH16835DLG4 compatible with in modern embedded designs?
The 74ALVCH16835DLG4 operates over a supply voltage range of 1.65 V to 3.6 V, making it compatible with both 1.8 V and 3.3 V system rails common in FPGAs, CPUs, and memory interfaces. This flexibility allows it to bridge logic levels in mixed-voltage designs without external level-shifting components.
How does the enable-low control of 74ALVCH16835DLG4 improve bus arbitration in multi-master systems?
The enable-low (active-low output enable) pin allows the host controller to tristate all 18 outputs simultaneously, releasing the bus within nanoseconds. This is critical in multi-master backplane designs where 2 or more bus masters contend for the same 18-bit data path, preventing bus conflicts and protecting downstream logic.
What PCB footprint does the 56-pin SSOP package of 74ALVCH16835DLG4 occupy?
The 56-pin SSOP (Shrink Small Outline Package) of the 74ALVCH16835DLG4 uses a compact body with 0.635 mm pin pitch, enabling high-density PCB placement on boards where space for a 56-pin device is constrained. Compared to standard 56-pin DIP, the SSOP reduces board area by more than 60%, making it suitable for rack-mount server and communication equipment.
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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.
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