Texas Instruments SN65LV1023AMDBREP

Overview

SN65LV1023AMDBREP from Texas Instruments is a radiation-hardened 10-bit LVDS serializer IC designed for high-reliability serial data transmission over differential backplanes or unshielded twisted pair. It operates at parallel clock rates from 10 MHz to 66 MHz, delivers 660-Mbps payload bandwidth, features programmable edge-triggered latching (TCLK_R/F), flow-through pinout, and supports synchronization-mode lock in ≤1026 TCLK cycles. It is used in space-grade avionics data links requiring deterministic timing and extended temperature operation.

For engineers reviewing the SN65LV1023AMDBREP datasheet, SN65LV1023AMDBREP pinout, SN65LV1023AMDBREP application, or SN65LV1023AMDBREP equivalent, key selection criteria include its −55°C to +125°C operating range, 28-pin SSOP package with verified LVDS output compliance (VOD = 350–450 mV, ∆VOD ≤ 35 mV), low-jitter PLL lock time (tPLD = tTCP to tTCP+3 ns), and compatibility with SN65LV1224B-EP deserializer in chipset configurations.

Technical Context

The SN65LV1023AMDBREP implements a parallel-to-serial conversion architecture with embedded start/stop bit framing (10+2 bits per word) and internal PLL-based clock multiplication. It accepts LVTTL parallel inputs (DIN0–DIN9) synchronized to TCLK and outputs serialized LVDS data (DO+/DO−) at 12×TCLK frequency.

Its control logic supports four operational states: initialization, synchronization mode (triggered by SYNC1/SYNC2), data transmission, and power-down (PWRDN). The serializer maintains PLL lock during high-impedance mode (DEN = low) and provides deterministic lock acquisition via internally generated SYNC patterns - critical for fault-tolerant space systems where random-lock behavior is unacceptable.

Key Specifications

Pinout & Package

SN65LV1023AMDBREP is housed in a 28-pin SSOP (DB) package with 0.65 mm pitch, JEDEC MO-153 compliant, and optimized for thermal dissipation in high-reliability PCB layouts.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar LVDS serializer applications.

Compared with SN65LV1023ADB and DS92LV1023, SN65LV1023AMDBREP uniquely combines radiation-hardened qualification, −55°C to +125°C operation, deterministic synchronization-mode lock, and integrated power management - making it the sole option for new spaceflight hardware requiring full JESD22/MIL-PRF-38535 compliance.

Availability

SN65LV1023AMDBREP is available at Aetrix Electronics and suitable for avionics data buses, satellite telemetry links, rad-hard FPGA I/O expansion, and launch vehicle health monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for SN65LV1023AMDBREP includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and high-reliability technologies for aerospace, defense, and industrial markets.

The SN65LV1023AMDBREP belongs to TI's Enhanced Product (EP) line - engineered specifically for high-reliability applications demanding extended temperature operation, controlled baseline manufacturing, and enhanced quality pedigree per MIL-PRF-38535.

FAQ

What is the maximum serial data rate supported by the SN65LV1023AMDBREP?

The SN65LV1023AMDBREP supports a maximum serial data rate of 792 Mbps, achieved when operating at the upper limit of its 10 MHz to 66 MHz parallel clock range (66 MHz × 12 bits/frame). This includes 10 payload bits plus embedded start and stop bits. The useful payload bandwidth remains 660 Mbps (66 MHz × 10 bits), as confirmed in the SGLS358 datasheet timing tables and functional description section.

Does the SN65LV1023AMDBREP require external components for PLL operation?

No, the SN65LV1023AMDBREP does not require external components for PLL operation. Its datasheet explicitly states "No External Components Required for PLL" under Features, and the internal PLL uses on-die capacitors and resistors. This eliminates tuning variability and improves startup repeatability - a key advantage over legacy serializers like DS92LV1023 that rely on external RC networks.

How does the SN65LV1023AMDBREP achieve deterministic lock with the deserializer?

The SN65LV1023AMDBREP achieves deterministic lock by generating a precise 1026-cycle synchronization pattern on DO± when SYNC1 or SYNC2 is held high for ≥6 TCLK cycles. This pattern allows the companion SN65LV1224B deserializer to lock within a guaranteed time window, unlike random-lock methods whose timing varies unpredictably with data content - a requirement for time-critical spaceflight protocols.

What is the purpose of the TCLK_R/F pin on the SN65LV1023AMDBREP?

The TCLK_R/F pin on the SN65LV1023AMDBREP selects whether the serializer latches DIN0–DIN9 on the rising or falling edge of TCLK. When TCLK_R/F = high, data is sampled on the rising edge; when low, on the falling edge. This flexibility enables direct interfacing with diverse source devices (e.g., FPGAs, ASICs) without requiring external clock inversion or timing adjustments.

Can the SN65LV1023AMDBREP operate without a companion deserializer?

Yes, the SN65LV1023AMDBREP can operate independently as a serializer - it does not require a deserializer to function. Its outputs (DO±) drive LVDS signals compatible with any standard LVDS receiver, including FPGAs with LVDS input banks or other deserializers. However, deterministic synchronization and lock indication (via LOCK pin) require pairing with SN65LV1224B-EP or functionally equivalent receivers.