Overview
The SN65LVDS109DBTG4, produced by Texas Instruments, is a high-performance integrated circuit designed for low-voltage differential signaling (LVDS) applications. This device is configured with two identical banks, each containing one differential line receiver and either four (in the case of the SN65LVDS109) or eight (for the SN65LVDS117) differential line drivers. The LVDS technology implemented in this IC offers low power consumption, low noise emission, high noise immunity, and high switching speeds, making it suitable for various high-speed data transmission needs.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 38-pin TSSOP (DBT) |
| Operating Temperature Range | -40°C to 85°C |
| Data Signaling Rates | Up to 400 Mbps or clock frequencies up to 400 MHz |
| Output Voltage | Typical 350 mV with a 100-Ω load |
| Propagation Delay Times | < 4.5 ns |
| Output Skew | < 550 ps |
| Bank Skew | < 150 ps |
| Part-to-Part Skew | < 1.5 ns |
| Total Power Dissipation | Typically < 500 mW with all ports enabled at 200 MHz |
| ESD Protection | Exceeds 12 kV |
Key Features
- Two line receivers and four line drivers (SN65LVDS109) or eight line drivers (SN65LVDS117) that meet or exceed ANSI EIA/TIA-644 standard.
- Individual control of each driver output pair and all outputs through enabling logic.
- Electrically compatible with LVDS, PECL, LVPECL, LVTTL, LVCMOS, GTL, BTL, CTT, SSTL, or HSTL outputs with external termination networks.
- Low power consumption and high noise immunity.
- High-speed data transmission capabilities.
- Bus-pin ESD protection exceeding 12 kV.
Applications
The SN65LVDS109DBTG4 is designed for point-to-point or point-to-multipoint (distributed simplex) baseband data transmission on controlled impedance media such as printed-circuit board traces, backplanes, or cables. It is particularly useful for implementing system clock and data distribution trees due to its precise timing alignment and low pulse skew.
Q & A
- What is the primary function of the SN65LVDS109DBTG4?
The primary function is to provide low-voltage differential signaling (LVDS) for high-speed data transmission. - What is the operating temperature range of the SN65LVDS109DBTG4?
The operating temperature range is from -40°C to 85°C. - What are the typical data signaling rates supported by this IC?
The IC supports data signaling rates up to 400 Mbps or clock frequencies up to 400 MHz. - How many differential line drivers does the SN65LVDS109 have?
The SN65LVDS109 has four differential line drivers. - What is the typical output voltage of the SN65LVDS109?
The typical output voltage is 350 mV with a 100-Ω load. - What is the propagation delay time of the SN65LVDS109?
The propagation delay time is less than 4.5 ns. - Is the SN65LVDS109 electrically compatible with other signaling standards?
Yes, it is electrically compatible with LVDS, PECL, LVPECL, LVTTL, LVCMOS, GTL, BTL, CTT, SSTL, or HSTL outputs with external termination networks. - What is the total power dissipation of the SN65LVDS109 when all ports are enabled?
The total power dissipation is typically less than 500 mW at 200 MHz. - Does the SN65LVDS109 have ESD protection?
Yes, it has bus-pin ESD protection exceeding 12 kV. - What type of package does the SN65LVDS109 come in?
The SN65LVDS109 comes in a 38-pin TSSOP (DBT) package.
