Renesas ISL3036EIRZ-T

Overview

ISL3036EIRZ-T from Renesas Electronics is a 6-channel bidirectional auto-direction sensing logic level translator operating at up to 100Mbps, supporting VL = +1.35V to +3.2V and VCC = +2.2V to +3.6V supplies. It enables voltage translation between low-voltage microcontrollers (e.g., 1.8V I/O) and higher-voltage peripherals (e.g., 3.3V interfaces) without external direction control logic. Its ±15kV IEC61000-4-2 ESD protection on all I/O pins ensures robustness in exposed interface applications.

For engineers reviewing the ISL3036EIRZ-T datasheet, ISL3036EIRZ-T pinout, ISL3036EIRZ-T application, or ISL3036EIRZ-T equivalent, key selection considerations include its auto-direction sensing architecture, 100Mbps guaranteed data rate with push-pull drivers, shutdown current <2.5µA, 16-lead TQFN (3mm×3mm) package, and compatibility with 4mA input drivers - critical for high-density, low-power multi-voltage system interconnects.

Technical Context

The ISL3036EIRZ-T implements a channel-level auto-direction sensing mechanism using high/low threshold detectors and one-shot controlled large-swing accelerator drivers that actively drive outputs to rail or GND for ≤4ns before transitioning to weak hold mode. Each channel operates independently, eliminating need for global DIR pins and enabling bit-by-bit direction resolution.

It features dual-supply operation with VL referenced I/OVL pins and VCC referenced I/OVCC pins, internal 30µA pull-up current sources during active mode, and 16.5kΩ pull-up resistors during shutdown. The EN pin is ESD-protected and controls tri-state behavior; automatic shutdown activates when VCC falls below VL by >200mV.

Key Specifications

Pinout & Package

ISL3036EIRZ-T is housed in a RoHS-compliant 16-lead TQFN package (3.0mm × 3.0mm, 0.75mm height) with exposed thermal pad. Pin pitch is 0.5mm; pin #1 is marked by an index area in the top-left corner.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar bidirectional level translation applications.

Compared with TXS0108E and SN74AVC16T245, the ISL3036EIRZ-T delivers superior integration via auto-direction sensing, best-in-class ±15kV IEC61000-4-2 protection, and ultra-low shutdown current - making it optimal for compact, high-reliability, multi-voltage interconnects where GPIO count and board space are constrained.

Availability

ISL3036EIRZ-T is available at Aetrix Electronics and suitable for mobile memory card interfaces, industrial PLC I/O expansion, automotive infotainment debug ports, and medical sensor hub interfaces requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for ISL3036EIRZ-T 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

Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and IoT markets.

The ISL3036EIRZ-T belongs to Renesas' high-speed logic level translation product line, designed specifically for robust, low-power, multi-voltage system interconnects in space-constrained and ESD-prone environments.

FAQ

What is the maximum guaranteed data rate for ISL3036EIRZ-T under standard conditions?

The ISL3036EIRZ-T guarantees 100Mbps data rate when VL ≥1.62V, using push-pull drivers with RSOURCE = 150Ω and load capacitance ≤15pF. At VL = 1.35V, the guaranteed rate drops to 85Mbps. These values are production-tested per FN6492 Rev.2.00, Table 1 and Electrical Specifications section.

Does ISL3036EIRZ-T require external pull-up resistors for I²C operation?

No. The ISL3036EIRZ-T integrates 30µA internal pull-up current sources on all I/OVL and I/OVCC pins during active mode, which satisfy standard-mode (100kHz) and fast-mode (400kHz) I²C bus requirements without external resistors. External pull-ups are only recommended for high-speed open-drain signaling above 1MHz.

How does the auto-direction sensing work in ISL3036EIRZ-T?

Each ISL3036EIRZ-T channel uses independent high/low threshold detectors and one-shot accelerators. A transition on either I/OVL or I/OVCC pin defines that pin as input, triggers level-shifted driving on the opposite pin, then reverts to weak hold mode. This eliminates need for external DIR pins and enables true bit-by-bit direction resolution - confirmed in Application Information section, page 7.

What happens to ISL3036EIRZ-T when VCC is powered down before VL?

When VCC falls below VL by >200mV, the ISL3036EIRZ-T automatically enters shutdown mode: all I/O pins tri-state, and internal 16.5kΩ pull-up resistors activate. The device remains undamaged even if VL exceeds VCC by up to 4V - verified in Absolute Maximum Ratings and Power Supply Sequencing sections of FN6492 Rev.2.00.

Is ISL3036EIRZ-T pin-compatible with ISL3034EIRTZ-T?

Yes. Both ISL3036EIRZ-T and ISL3034EIRTZ-T use identical 16-lead TQFN (3mm×3mm) packages with matching pinout, thermal pad layout, and land pattern per Package Outline Drawing L16.3x3A. They share identical electrical specifications and functional behavior - confirmed in Ordering Information and Pin Configuration sections of FN6492 Rev.2.00.