The Keysight 16911A is a 68-channel logic analyzer module designed for the 16900 Series logic analysis systems. It offers high-performance digital measurement capabilities, including a 4 GHz (250 ps) timing zoom with a dedicated 64K memory depth, alongside deep-memory conventional and transitional timing analysis. Configurable with various memory depth options and state speed upgrades, it provides flexible state and timing analysis for debugging high-speed digital systems.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | 2 x 90-pin connectors |
Physical
| Parameter | Value |
|---|---|
| Power Supply | Supplied by mainframe backplane |
| Operating Temperature | 0 °C to 50 °C |
| Dimensions (W×H×D) | 28 mm × 290 mm × 384 mm |
| Weight | 1.4 kg |
Channel and Acquisition Configuration
| Parameter | Value |
|---|---|
| Total Number of Channels | 68 channels |
| Maximum State Clock Speed | 250 MHz (Option 250) / 450 MHz (Option 500) |
| Maximum State Data Rate | 250 Mb/s (Option 250) / 500 Mb/s (Option 500) |
| Maximum Conventional Timing Sample Rate (Half Channel) | 1 GHz |
| Maximum Conventional Timing Sample Rate (Full Channel) | 500 MHz |
| Maximum Transitional Timing Sample Rate | 250 MHz |
| Timing Zoom Resolution | 250 ps (4 GHz) |
| Timing Zoom Memory Depth | 64K |
| Acquisition Memory Depth (Base Configuration) | 256K (Option 256) |
| Acquisition Memory Depth Options (Upgradable) | 1M (Option 001), 4M (Option 004), 16M (Option 016), 32M (Option 032) |
| Threshold Voltage Range | -3.0 V to +5.0 V (single-ended) |
| Threshold Setting Resolution | 10 mV |
| Automatic Calibration Support | Eyefinder automatically adjusts setup and hold for accurate high-speed bus measurements |
Timing Analysis (Asynchronous Sampling)
| Parameter | Value |
|---|---|
| Full-Channel Timing Resolution | 2.0 ns (500 MHz) |
| Half-Channel Timing Resolution | 1.0 ns (1 GHz) |
| Transitional Timing Resolution | 4.0 ns (250 MHz) |
Mainframe Compatibility and Software
| Parameter | Value |
|---|---|
| Compatible Mainframes | Keysight 16900 Series (including 16900A, 16901A, 16902A, 16902B, 16903A) |
| Required Slot Width | 1 slot |
| Multi-Module Support | Supports multi-module configurations inside a single 16900 Series mainframe |
Input and Probing Characteristics
| Parameter | Value |
|---|---|
| Number of Pods | 4 pods (17 channels per pod) |
Performance
| Parameter | Value |
|---|---|
| State Speed Options | 250 MHz (Option 250) / 450 MHz (Option 500) |
| Setup/Hold Window | 1.5 ns (minimum eye width) |
| Sample Period Range | 1 ns to 10 s |
| Minimum Voltage Swing | 300 mV p-p |
| Maximum Combined Channels | 340 (5 modules merged) |
| Maximum Trigger Sequencer Rate | 450 MHz |
Triggering
| Parameter | Value |
|---|---|
| Trigger Levels | 16 |
| Pattern Detectors | 16 |
| Range Detectors | 4 |
| Edge/Glitch Detectors | 8 |
| Timers | 2 (32-bit, 10 ns resolution) |
| Counters | 2 (16-bit) |
Power Requirements
| Parameter | Value |
|---|---|
| Maximum Power Dissipation | 80 W |
Inputs & Outputs
| Parameter | Value |
|---|---|
| Input Connector Type | Two 90-pin cable connectors |
Software & Connectivity
| Parameter | Value |
|---|---|
| Software Compatibility | Keysight Logic Analyzer Application Software |
Technology
Logic Analyzer Module
Applications
State and timing analysis for debugging high-speed digital systems