Analog Devices Inc./Maxim Integrated DS4510U-5

Overview

DS4510U-5 from Maxim Integrated is a CPU supervisor IC with integrated 64-byte EEPROM, four nonvolatile programmable I/O pins, and I²C interface (100/400 kbps), designed for power-monitoring and system-state retention in embedded control applications. It provides 5% V_CC trip point at 4.625 V (typ), 125–1000 ms programmable reset timeout, and operates from 2.7 V to 5.5 V across –40°C to +85°C.

For engineers reviewing the DS4510U-5 datasheet, DS4510U-5 pinout, DS4510U-5 application, or DS4510U-5 equivalent, key selection considerations include its open-drain RST output, SRAM-shadowed SEEPROM architecture for I/O configuration, internal 4.0–6.5 kΩ pullup resistors per I/O pin, and µSOP-10 package compatibility with FPGA bank-switching and industrial peripheral designs.

Technical Context

The DS4510U-5 implements a voltage-monitoring circuit with comparator-based 5% V_CC threshold detection and a digitally programmable reset timer controlled via SEEPROM register F1 (TD1/TD0 bits). Its I²C interface supports both standard- and fast-mode timing, with SDA/SCL pins compliant to I²C bus electrical specifications including t_HD:DAT ≤ 0.9 µs and t_SU:DAT ≥ 100 ns.

All four I/O pins (I/O0–I/O3) are bidirectional, open-collector outputs with individually controllable internal pullups (enabled via F0h register) and status feedback (F8h register). The device uses SRAM-shadowed EEPROM (SEEPROM) for volatile/nonvolatile register access-SEE bit in Config register (F9h) determines whether writes to F2h–F7h update SRAM only or persist to EEPROM.

Key Specifications

Pinout & Package

DS4510U-5 is housed in a 10-pin µSOP package (3.0 mm × 3.0 mm, 0.5 mm pitch), optimized for space-constrained PCB layouts in portable and industrial electronics.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar CPU supervisor with nonvolatile I/O applications.

Compared with MAX6361KA29+T and TPS3808G18DBVR, DS4510U-5 uniquely integrates supervisory reset, EEPROM, and four NV I/O pins in one µSOP-10 device-enabling system-level state management without external components, whereas alternatives require supplemental ICs for equivalent functionality.

Availability

DS4510U-5 is available at Aetrix Electronics and suitable for industrial control systems, cellular handset peripherals, PC peripheral management, and RAM-based FPGA bank switching requiring stable component supply and long-term lifecycle support.

Supply support for DS4510U-5 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) is a semiconductor company specializing in precision analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.

The DS4510U-5 belongs to Maxim's CPU supervisor product line, engineered to consolidate power monitoring, reset generation, nonvolatile state storage, and I/O expansion into a single I²C-accessible device for resource-constrained embedded systems.

FAQ

What is the V_CC trip point accuracy and temperature drift of the DS4510U-5?

The DS4510U-5 has a guaranteed ±5% V_CC trip point tolerance centered at 4.625 V (typical), with measured drift of less than ±0.1 V over –40°C to +85°C per the V_CC Trip Point vs. Temperature plot (DS4510 toc04). This ensures consistent brownout detection across industrial temperature ranges without external calibration.

How does the DS4510U-5 handle I/O pin state retention during power loss?

The DS4510U-5 retains I/O pin states using its SEEPROM memory: when the SEE bit is cleared (0), writes to I/O control registers (F4h–F7h) are saved to EEPROM and recalled at power-up. I/O pins remain high-impedance until V_CC exceeds ~2.0 V, then restore their last programmed state - enabling deterministic FPGA bank selection or safety-critical I/O defaults.

Can the DS4510U-5 be used with a 3.3 V microcontroller I²C bus?

Yes - the DS4510U-5 supports V_CC down to 2.7 V and accepts I²C input logic levels defined as V_IL ≤ 0.3×V_CC and V_IH ≥ 0.7×V_CC. When powered at 3.3 V, it interoperates reliably with 3.3 V MCUs; SDA/SCL rise/fall times remain within spec with appropriate pullup values (e.g., 4.7 kΩ).

What is the maximum write endurance of the DS4510U-5 EEPROM memory?

The DS4510U-5 guarantees 50,000 write cycles for its 64-byte EEPROM at +70°C ambient temperature. Writes to SEEPROM registers (F2h–F3h) with SEE = 1 do not consume EEPROM endurance - enabling unlimited I/O configuration updates without degrading nonvolatile storage lifetime.

Does the DS4510U-5 require external pullup resistors on its I/O pins?

No - the DS4510U-5 includes factory-trimmed internal pullup resistors (4.0–6.5 kΩ) for each I/O pin (I/O0–I/O3), enabled via the pullup-enable register (F0h). External pullups are optional and only needed if stronger drive strength or different voltage referencing is required.