Cypress Semiconductor Corp CY7C1010DV33-10VXIT

Overview

CY7C1010DV33-10VXIT from Cypress Semiconductor is a 2-Mbit (256 K × 8) high-speed CMOS static RAM with 10 ns access time, 3.3 V supply, TTL-compatible I/O, and automatic CE-controlled power-down. It operates across –40 °C to +85 °C and supports memory expansion via dedicated CE, OE, and WE control lines in industrial embedded systems.

For engineers reviewing the CY7C1010DV33-10VXIT datasheet, CY7C1010DV33-10VXIT pinout, CY7C1010DV33-10VXIT application, or CY7C1010DV33-10VXIT equivalent, key selection criteria include tAA = 10 ns read timing, ISB2 = 10 mA CMOS standby current, 2.0 V data retention capability, and compatibility with 36-pin SOJ and 44-pin TSOP II board layouts.

Technical Context

The device implements a full asynchronous SRAM architecture with independent address decoding for 256 K × 8 organization. Read and write operations are controlled by three active-low signals-CE, OE, and WE-with strict timing overlap requirements for write cycles and defined high-impedance transitions on all I/O pins during deselect or output disable.

It features dual power-down modes: ISB1 (TTL-input compatible, 20 mA max) and ISB2 (CMOS-input optimized, 10 mA max), triggered automatically when CE is deasserted. Data retention at 2.0 V enables low-power hold states without full VCC maintenance.

Key Specifications

Pinout & Package

Available in Pb-free 36-pin SOJ and 44-pin TSOP II packages with center power/ground pinout. The -10VXIT suffix denotes the 44-pin TSOP II variant with industrial temperature range and lead-free finish.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-speed asynchronous SRAM applications.

Compared with IS61LV25616AL-10TLI and CY7C1019DV33-10VXI, the CY7C1010DV33-10VXIT uniquely balances 8-bit simplicity, TSOP II thermal efficiency, and industrial-grade reliability in a single 44-pin footprint-making it optimal for new designs prioritizing ease of integration and long-term supply stability.

Availability

CY7C1010DV33-10VXIT is available at Aetrix Electronics and suitable for industrial PLC memory buffers, medical device data logging, avionics display frame buffers, and test equipment pattern generators requiring stable component supply across extended product lifecycles.

Supply support for CY7C1010DV33-10VXIT 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 memory and programmable solutions for industrial, automotive, and consumer applications.

The CY7C1010DV33 belongs to Cypress's high-speed asynchronous SRAM product line, engineered specifically for deterministic, low-latency data buffering in real-time embedded control and instrumentation systems.

FAQ

Is CY7C1010DV33-10VXIT pin-compatible with CY7C1010CV33?

Yes. The CY7C1010DV33-10VXIT is pin- and function-compatible with CY7C1010CV33 per the official Cypress datasheet Rev. *F. Both share identical 44-pin TSOP II pinout, address/data/control signal mapping, and electrical timing specifications-including tAA = 10 ns and ISB2 = 10 mA-enabling direct substitution without hardware modification.

What is the maximum operating frequency supported by this SRAM?

This SRAM does not operate on a clock signal; it is asynchronous. Its maximum effective throughput is determined by tRC = 10 ns, enabling up to 100 million read/write cycles per second in ideal conditions. System-level frequency depends on controller timing margins, bus loading, and PCB layout-not an internal clock domain.

Does CY7C1010DV33-10VXIT support battery-backed operation?

Yes. With guaranteed data retention down to 2.0 V on VCC and ISB2 ≤ 10 mA at that voltage, the device supports battery-backed hold mode. When main power fails, a small backup battery or supercapacitor maintaining ≥2.0 V on VCC preserves memory contents indefinitely-provided CE remains HIGH and ambient temperature stays within –40 °C to +85 °C.

Can this SRAM be used with 5 V logic interfaces?

No. The CY7C1010DV33-10VXIT is strictly a 3.3 V device. Its absolute maximum VCC rating is +4.6 V, and VIH/VIL thresholds are defined relative to 3.3 V (VIH min = 2.0 V, VIL max = 0.8 V). Direct connection to 5 V logic risks damage and violates AC timing specs; level translation is mandatory for mixed-voltage systems.