74ALVCH162835DLG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
74ALVCH162835DLG4 is an 18-bit universal bus driver with 3-state outputs in a 56-pin SSOP package, operating from 1.65 V to 3.6 V supply. It features unidirectional flow control with enable-low logic and 50 pF load capacitance support for high-speed bus interfacing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 56
- Lifecycle
- OBSOLETE
- Datasheet
- 74ALVCH162835DLG4 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 74ALVCH162835DLG4?
- 18-bit universal bus driver with 3-state outputs
- ALVCH family: 1.65 V to 3.6 V supply range
- 56-pin SSOP (R-PDSO-G56) small-outline package
- Unidirectional data flow with active-low enable control
- 12 mA output sink current for standard LVTTL loads
- 50 pF load capacitance support for backplane applications
- RoHS-compliant e4 finish for lead-free assembly
What is 74ALVCH162835DLG4 used for?
The 74ALVCH162835DLG4 is used in high-speed data bus expansion and address buffering on CPU boards, memory controllers, and FPGA-based systems operating at 3.3 V or below. It is also deployed in network switching equipment and telecom line cards where wide 18-bit bus driving with 3-state isolation is required.
What are the specifications of 74ALVCH162835DLG4?
| Pbfree Code | No |
| 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) | 0.012A |
| Number of Bits | 18 |
| Number of Functions | 1 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE WITH SERIES RESISTOR |
| 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 | 5.4ns |
| Propagation Delay (tpd) | 6.3ns |
| Qualification Status | Not Qualified |
| Screening Level | AEC-Q100; TS 16949; MIL-STD-883 |
| 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 74ALVCH162835DLG4 datasheet?
74ALVCH162835DLG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for 74ALVCH162835DLG4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does the 74ALVCH162835DLG4 support?
The 74ALVCH162835DLG4 operates from a supply voltage of 1.65 V to 3.6 V, making it compatible with both 1.8 V and 3.3 V logic systems. This wide range allows it to interface directly with low-voltage FPGAs and modern microprocessors without level translation.
How many bits does the 74ALVCH162835DLG4 bus driver handle, and what is its output current?
The device is an 18-bit bus driver capable of sinking up to 12 mA per output in its low state. The 3-state outputs allow multiple drivers to share a common bus, with the enable-low control pin used to isolate one driver from the bus when not actively driving.
Which package does the 74ALVCH162835DLG4 use, and is it suitable for dense PCB layouts?
The 74ALVCH162835DLG4 is housed in a 56-pin SSOP (R-PDSO-G56) small-outline package, which provides a compact footprint suitable for high-density PCB layouts. The fine-pitch leads enable placement in space-constrained areas on multi-layer boards used in telecom and server applications.
Can the 74ALVCH162835DLG4 drive 50 pF capacitive loads at high bus speeds?
Yes, the 74ALVCH162835DLG4 is characterized at a load capacitance of 50 pF, a typical value for backplane and multi-drop bus environments. This means it maintains specified propagation delay and output drive integrity when driving moderately loaded PCB traces at ALVCH-family operating speeds.
When should a designer choose the ALVCH family over the ABT or LVC family for bus driving?
The ALVCH family is preferred when the system supply voltage is 1.8 V or 2.5 V, as it is optimized for sub-3.3 V operation with lower switching thresholds than ABT. Compared to LVC, ALVCH offers faster propagation delay and higher output drive current of 12 mA, making it better suited for high-speed 18-bit bus applications with tight timing budgets.
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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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