Overview
The SN65LV1224B deserializer, part of the SN65LV1023A serializer and SN65LV1224B deserializer chipset, is designed by Texas Instruments to transmit and receive serial data over LVDS differential backplanes. This 10-bit serdes chipset operates at equivalent parallel word rates from 10 MHz to 66 MHz, achieving serial data rates between 120 Mbps and 792 Mbps payload encoded throughput. The chipset is particularly useful for applications requiring high-speed data transmission and synchronization over various types of backplanes and unshielded twisted pair (UTP) connections.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 28-Pin SSOP, 5 × 5 mm QFN |
| Operating Temperature Range | -40°C to 85°C |
| Serial Data Payload Bandwidth | 100 Mbps to 660 Mbps |
| System Clock Frequency | 10 MHz to 66 MHz |
| Power Consumption | < 450 mW (Typ) at 66 MHz |
| Supply Voltage | 3 V to 3.6 V |
| LVDS Receiver Input Voltage Range | 0 to 2.4 V |
| LVDS Driver Output Voltage Range | -0.3 V to 3.9 V |
Key Features
- Pin-Compatible Superset of DS92LV1023/DS92LV1224
- Synchronization Mode for Faster Lock
- Lock Indicator
- No External Components Required for PLL
- Programmable Edge Trigger on Clock
- Flow-Through Pinout for Easy PCB Layout
- Industrial Temperature Qualified
- Power-Down and High-Impedance Modes
- On-Chip Fail-Safe Circuit
Applications
- Wireless Base Station
- Backplane Interconnect
- DSLAM (Digital Subscriber Line Access Multiplexer)
Q & A
- What is the SN65LV1224B used for? The SN65LV1224B is a deserializer part of a 10-bit serdes chipset designed to transmit and receive serial data over LVDS differential backplanes.
- What are the operating temperature ranges for the SN65LV1224B? The operating temperature range is -40°C to 85°C.
- What are the typical power consumption and system clock frequencies for the SN65LV1224B? The typical power consumption is less than 450 mW at 66 MHz, and the system clock frequency ranges from 10 MHz to 66 MHz.
- Does the SN65LV1224B require external components for the PLL? No, the SN65LV1224B does not require external components for the PLL.
- What synchronization modes are available for the SN65LV1224B? The SN65LV1224B supports synchronization mode with internally generated SYNC patterns or random data synchronization.
- Can the SN65LV1224B be used in power-down and high-impedance modes? Yes, the device can be entered into a power-down state or a high-impedance state without losing PLL lock.
- What are the common applications of the SN65LV1224B? Common applications include wireless base stations, backplane interconnects, and DSLAMs.
- What is the significance of the on-chip fail-safe circuit in the SN65LV1224B? The on-chip fail-safe circuit drives the serial input and LOCK signal high to prevent unintentional locking due to noise when the receiver input is not actively driven.
- How does the SN65LV1224B handle random data synchronization? The deserializer can attain lock to a random data stream without requiring special SYNC patterns, allowing it to operate in open-loop applications and support hot insertion into a running backplane.
- What is the maximum junction temperature for the SN65LV1224B? The maximum junction temperature is 150°C.
