Analog Devices Inc./Maxim Integrated MAX9601EUP+G077

Overview

MAX9601EUP+G077 from Maxim Integrated is a dual-channel ultra-high-speed PECL-output comparator with 500ps propagation delay, 10ps channel skew, and 30ps propagation delay dispersion. It features latch-enable (LE_, LE_) and adjustable current-controlled hysteresis (HYS_), operates from -5.2V/+5V supplies, and drives 50Ω-terminated transmission lines directly - ideal for high-fidelity pulse tracking in VLSI ATE and logic analyzer front ends.

For engineers reviewing the MAX9601EUP+G077 datasheet, MAX9601EUP+G077 pinout, MAX9601EUP+G077 application, or MAX9601EUP+G077 equivalent, this page delivers verified electrical specs, validated TSSOP-20 pin mapping, real-world timing behavior under overdrive and slew-rate variation, and confirmed alternatives for ECL/PECL high-speed comparison systems requiring sub-nanosecond fidelity.

Technical Context

The MAX9601EUP+G077 implements a bipolar differential input stage with common-mode range from (VEE + 3V) to (VCC − 2V), supporting −2.2V to +3V input swing at ±5.2V/5V supplies. Its open-emitter PECL outputs require external 50Ω pull-downs to VT = VCCO_ − 2V and deliver VOH = VCCO_ − 0.94V / VOL = VCCO_ − 1.72V (TA = +25°C).

Latch enable operates differentially: LE_ and LE_ accept PECL logic levels (0.25V–3.5V differential swing), enabling track-hold or sample-hold modes. Hysteresis is set by RHYS_ (10kΩ–35kΩ to GND), yielding 5–60mV input-referred hysteresis - critical for noise immunity on low-slew inputs without compromising 4Gbps toggle rate capability.

Key Specifications

Pinout & Package

MAX9601EUP+G077 is housed in a 20-pin TSSOP package (4.4mm body width) with exposed pad for thermal enhancement. Pin numbering follows standard JEDEC TSSOP layout; all pins are surface-mount, lead-free (RoHS-compliant), and rated for reflow per J-STD-020.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ultra-high-speed comparator applications.

Compared with MAX9601EUP+G077, MAX9600EUP+ offers ECL compatibility at the cost of PECL interoperability, while ADCMP572BCPZ-REEL7 trades dual-channel functionality and configurable hysteresis for lower delay and LVDS output simplicity - making MAX9601EUP+G077 uniquely suited for PECL-based ATE and instrumentation requiring synchronized dual-channel sampling with noise resilience.

Availability

MAX9601EUP+G077 is available at Aetrix Electronics and suitable for VLSI ATE, high-speed instrumentation, and logic analyzer design requiring stable component supply, guaranteed industrial temperature operation, and long-term lifecycle continuity.

Supply support for MAX9601EUP+G077 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

Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for demanding performance applications, with expertise in high-speed comparators, data converters, and power management.

The MAX9600/MAX9601/MAX9602 family was engineered specifically for ultra-high-speed automatic test equipment and instrumentation, targeting sub-nanosecond timing fidelity, low skew, and robust noise immunity in PECL/ECL signal chains.

FAQ

What is the recommended termination network for MAX9601EUP+G077 PECL outputs?

The MAX9601EUP+G077 PECL outputs require 50Ω pull-down resistors (RL) connected from each output (QA, QA, QB, QB) to VT = VCCO_ − 2V. RL must be 50Ω–75Ω; typical value is 50Ω. VCCO_ is the dedicated PECL output driver supply (2.4V to VCC), and VT must be more negative than the lowest VOL (≈VCCO_ − 1.9V). This configuration ensures correct VOH/VOL levels and impedance matching for 50Ω transmission lines.

Does MAX9601EUP+G077 support adjustable hysteresis, and how is it configured?

Yes, MAX9601EUP+G077 supports current-controlled hysteresis via pins HYSA and HYSB. Connect a single resistor (RHYS_) from each HYS_ pin to GND. RHYS_ values from 10kΩ to 35kΩ yield input-referred hysteresis of 60mV down to 5mV. For zero hysteresis, leave HYS_ open or tie to VCC. The hysteresis improves noise immunity on slow-slew inputs without affecting propagation delay in fast-switching conditions.

What are the absolute maximum supply ratings for MAX9601EUP+G077?

MAX9601EUP+G077 has absolute maximum ratings of VCC = 6.8V, VEE = −6.5V, and VS = VCC − VEE = 12.0V. Exceeding these may cause permanent damage. Recommended operating ranges are VCC = 4.3–6.3V, VEE = −6V to −4V, and VCCO_ = 2.4V to VCC. The device is specified for −40°C to +85°C ambient operation, with junction temperature not exceeding +150°C.

Can MAX9601EUP+G077 operate with non-standard supply voltages like −4.2V/+6V?

Yes, MAX9601EUP+G077 is fully specified for operation with −4.2V/+6V supplies. At this rail combination, the input common-mode range extends to −1.2V to +4V, and output levels shift accordingly (VOH ≈ VCCO_ − 0.94V, VOL ≈ VCCO_ − 1.72V at TA = +25°C). All AC and DC specifications - including 500ps propagation delay and 4Gbps tracking frequency - remain valid across both −5.2V/+5V and −4.2V/+6V configurations.

How does the latch-enable function work on MAX9601EUP+G077, and what logic levels are required?

MAX9601EUP+G077 uses differential latch-enable inputs (LEA/LEA and LEB/LEB). When LE_ is low and LE_ is high, the comparator tracks the input; when LE_ is high and LE_ is low, outputs latch to their last state. Inputs require PECL-compatible swing: differential voltage ≥250mV, with absolute levels between 0V and VCCO_ (or VCCO_ − 3.5V to VCCO_ if VCCO_ ≥ 3.5V). Invalid states (both high or both low) result in undefined outputs.