Infineon Technologies CY62138FV30LL-45ZAXI

Overview

CY62138FV30LL-45ZAXI from Cypress Semiconductor is a 2-Mbit (256 K × 8) CMOS static RAM with 45 ns access time, 2.2–3.6 V supply range, and industrial/automotive-A temperature rating (–40 °C to +85 °C). It delivers ultra-low standby current (1 µA typical), active current of 1.6 mA at 1 MHz, and automatic CE-controlled power-down-enabling battery-sensitive portable applications including cellular handsets and handheld medical devices.

For engineers reviewing the CY62138FV30LL-45ZAXI datasheet, CY62138FV30LL-45ZAXI pinout, CY62138FV30LL-45ZAXI application, or CY62138FV30LL-45ZAXI equivalent, key selection criteria include dual chip enable (CE1/CE2) logic for hierarchical memory mapping, tristate I/O control timing (tLZOE = 5 ns, tHZOE = 18 ns), and Pb-free 36-ball VFBGA package compatibility with high-density portable PCB layouts.

Technical Context

This SRAM implements complementary metal oxide semiconductor (CMOS) architecture optimized for low-power, high-speed random-access storage in space-constrained embedded systems. Its dual chip enable (CE1 LOW + CE2 HIGH for selection) enables seamless memory expansion across multiple banks without external decoding logic.

The device supports three distinct operational modes: active read (CE1/CE2 selected, OE LOW, WE HIGH), active write (CE1/CE2 selected, WE LOW), and automatic power-down (CE1 HIGH or CE2 LOW), with guaranteed data retention down to 1.5 V and ICCDR ≤ 4 µA under retention conditions.

Key Specifications

Pinout & Package

Package: 36-ball Very Thin Fine-Pitch Ball Grid Array (VFBGA), 5.0 mm × 6.0 mm × 0.55 mm, Pb-free, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IS62WV2568BLL-45NLI and AS6C4008-45TIN, CY62138FV30LL-45ZAXI uniquely supports 2.2 V operation, 1.5 V data retention, and dual CE logic - making it the only option for battery-backed portable and automotive systems requiring guaranteed low-voltage functionality and hierarchical memory control.

Availability

CY62138FV30LL-45ZAXI is available at Aetrix Electronics and suitable for cellular handset design, portable medical instrumentation, automotive infotainment systems, and industrial PLC communication modules requiring stable component supply across extended temperature and voltage ranges.

Supply support for CY62138FV30LL-45ZAXI 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

Cypress Semiconductor (now part of Infineon Technologies) designs high-performance, low-power memory and microcontroller solutions for embedded systems, with headquarters in San Jose, CA.

The CY62138FV30 belongs to the MoBL® (More Battery Life™) SRAM product line, engineered specifically for portable and battery-operated applications demanding ultra-low standby current and wide input voltage tolerance without sacrificing speed.

FAQ

What is the maximum clock frequency supported by CY62138FV30LL-45ZAXI?

CY62138FV30LL-45ZAXI is an asynchronous SRAM and does not use a clock signal. Its performance is defined by access time (45 ns) and cycle time (45 ns), meaning it supports up to approximately 22.2 MHz random read/write operations when interfaced with a controller capable of meeting tRC, tAA, and tWC timing constraints without additional wait states.

Does CY62138FV30LL-45ZAXI require external pull-up or pull-down resistors on CE1, CE2, or OE?

No external biasing is required: CE1, CE2, and OE have CMOS-compatible input thresholds (VIH ≥ 2.2 V, VIL ≤ 0.6 V at 2.2–2.7 V VCC) and negligible input leakage (<±1 µA). However, floating inputs must be avoided; unused control lines should be tied to VCC or GND per system logic state to prevent metastability and excess current draw.

Can CY62138FV30LL-45ZAXI operate reliably at 2.2 V across the full –40 °C to +85 °C range?

Yes - the device is fully specified and tested at 2.2 V minimum supply across the industrial/automotive-A temperature range. All AC and DC parameters, including 45 ns access time and 1 µA standby current, are guaranteed at VCC = 2.2 V and TA = –40 °C to +85 °C per datasheet Rev. *N Section 4 (Operating Range) and Table on Page 11.

Is the 36-ball VFBGA package of CY62138FV30LL-45ZAXI compatible with standard reflow profiles?

Yes - the Pb-free VFBGA package complies with IPC/JEDEC J-STD-020D moisture sensitivity level 3 and supports peak reflow temperatures up to 260 °C. Recommended profile follows JEDEC MSLE Level 3: 60-minute floor life, preheat ramp ≤ 3 °C/s, soak at 150–200 °C for 60–120 s, and peak at 235–245 °C for 20–40 s.