Infineon Technologies CY62138FV30LL-45ZAXAT

Overview

CY62138FV30LL-45ZAXAT from Cypress Semiconductor is a 2-Mbit (256 K × 8) MoBL® CMOS static RAM optimized for low-power portable systems. It delivers 45 ns access time, operates across 2.2 V–3.6 V supply, and draws only 1.6 mA typical active current at 1 MHz - enabling extended battery life in handheld devices such as cellular telephones and medical wearables.

For engineers reviewing the CY62138FV30LL-45ZAXAT datasheet, CY62138FV30LL-45ZAXAT pinout, CY62138FV30LL-45ZAXAT application, or CY62138FV30LL-45ZAXAT equivalent, key selection criteria include ultra-low standby current (≤5 µA), dual chip enable architecture (CE1/CE2), automatic power-down on deselect, and compatibility with 36-ball VFBGA and 32-pin TSOP II packages.

Technical Context

The CY62138FV30LL-45ZAXAT implements a synchronous, non-volatile-retentive SRAM core with complementary metal oxide semiconductor (CMOS) process technology. Its dual CE architecture enables hierarchical memory banking and seamless expansion across multiple devices without external logic.

It supports three distinct operational states: active read/write (CE1 LOW & CE2 HIGH), high-impedance tri-state output (OE HIGH or CE deselected), and automatic power-down (CE1 HIGH or CE2 LOW), with guaranteed data retention down to 1.5 V and ≤4 µA ICCDR current.

Key Specifications

Pinout & Package

Package: 36-ball Very Thin Fine-Pitch Ball Grid Array (VFBGA), 0.5 mm pitch, 6 mm × 8 mm footprint, RoHS-compliant Pb-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IS62WV2568BLL-45NLI and R1LV256A-45L-FB, the CY62138FV30LL-45ZAXAT uniquely combines dual CE control, 5 µA max standby, and automotive-A qualification - making it optimal for battery-constrained, expandable memory systems requiring robust power management.

Availability

CY62138FV30LL-45ZAXAT is available at Aetrix Electronics and suitable for portable medical sensors, industrial HMI buffers, and automotive telematics loggers requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.

Supply support for CY62138FV30LL-45ZAXAT 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-reliability memory and microcontroller solutions for industrial, automotive, and consumer applications, with emphasis on low-power innovation and signal integrity.

The CY62138FV30 belongs to the MoBL® (More Battery Life™) SRAM product line, engineered specifically for energy-constrained portable electronics where nanowatt-scale standby and milliamp-level active current directly determine usable runtime.

FAQ

What is the minimum VCC required to retain data in CY62138FV30LL-45ZAXAT?

The device guarantees data retention down to VCC = 1.5 V, as specified in the Data Retention Characteristics table (page 6). At this voltage, ICCDR remains ≤4 µA under industrial/automotive-A conditions. Retention time is indefinite as long as VCC ≥ 1.5 V and ambient temperature stays within –40 °C to +85 °C - no external capacitor or backup source is needed.

Can CY62138FV30LL-45ZAXAT operate with CE1 and CE2 tied together?

No - CE1 and CE2 must be driven with complementary logic: CE1 LOW and CE2 HIGH to enable the device. Tying them together violates the functional truth table and forces the device into permanent standby (ISB2 mode), preventing read/write access. The dual CE architecture is intentional for memory banking and cannot be shorted.

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

Yes - the Pb-free VFBGA package is qualified for IPC/JEDEC J-STD-020D-compliant reflow, including peak temperatures up to 260 °C for ≤60 seconds. Thermal resistance data (θJA = 38.49 °C/W) confirms suitability for standard two-layer PCBs with appropriate thermal vias under the VFBGA pad array.

Does CY62138FV30LL-45ZAXAT require an external clock or timing controller?

No - it is an asynchronous SRAM with no clock input. All timing is governed by CE1, CE2, OE, and WE edge transitions relative to address and data setup/hold windows (e.g., tAA = 45 ns, tSD = 25 ns). System timing is controlled entirely by the host processor's bus interface logic.