Infineon Technologies CY7C1386KV33-167AXC

Overview

CY7C1386KV33-167AXC from Cypress Semiconductor is a 18-Mbit pipelined synchronous SRAM configured as 512K × 36, operating at 167 MHz with 3.3 V core (VDD) and 2.5/3.3 V I/O (VDDQ) supplies, 3.4 ns clock-to-output delay, and JEDEC-standard Pb-free 100-pin TQFP packaging - deployed in high-speed secondary cache subsystems for RISC and DSP processors.

For engineers reviewing the CY7C1386KV33-167AXC datasheet, CY7C1386KV33-167AXC pinout, CY7C1386KV33-167AXC application, or CY7C1386KV33-167AXC equivalent, key selection criteria include burst mode support (interleaved/linear), depth-expansion capability without wait states, synchronous self-timed writes, registered I/O timing, and ZZ sleep mode for low-power standby in embedded computing systems.

Technical Context

This SRAM implements dual-address-strobe architecture (ADSP/ADSC) with a two-bit wraparound burst counter, enabling deterministic linear or interleaved burst sequences controlled by the MODE pin. All synchronous inputs - address, CE1–CE3, BWA–BWD, BWE, GW, ADV, ADSP, ADSC - are registered on the rising edge of CLK.

It features pipelined output enable logic that delays tristate assertion by one cycle during deselect, preserving system-level timing integrity during depth expansion. Asynchronous OE and ZZ pins provide independent control over data bus direction and power-down state, while VDDQ supports mixed-voltage I/O interfacing with 2.5 V or 3.3 V logic families.

Key Specifications

Pinout & Package

Package: 100-pin TQFP (14 × 20 × 1.4 mm), JEDEC-standard Pb-free, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IS61WV102432BLL-167BLI and MT48LC32M32B2-16A, CY7C1386KV33-167AXC delivers deterministic sub-4 ns access, integrated ZZ sleep, and true pipelined deselect - making it optimal for real-time control loops and cache subsystems where timing predictability is non-negotiable.

Availability

CY7C1386KV33-167AXC is available at Aetrix Electronics and suitable for high-speed cache subsystems, network packet buffering, industrial motion control, and avionics display interfaces requiring stable component supply and long-term obsolescence management.

Supply support for CY7C1386KV33-167AXC 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 embedded systems, emphasizing timing determinism, low-power operation, and industrial reliability.

The CY7C1386KV33 belongs to Cypress's high-speed synchronous SRAM product line, engineered specifically for deterministic, low-latency cache and buffer applications in DSP, networking, and real-time control systems.

FAQ

What is the function of the MODE pin on CY7C1386KV33-167AXC?

The MODE pin selects burst address sequence behavior: logic HIGH configures interleaved burst order (e.g., 0,2,4,6), while logic LOW selects linear order (e.g., 0,1,2,3). It is sampled asynchronously at power-up and latched internally; no reconfiguration is possible during operation without reset.

Can CY7C1386KV33-167AXC operate with VDDQ = 2.5 V while VDD = 3.3 V?

Yes - the device supports independent 3.3 V core (VDD) and 2.5 V I/O (VDDQ) supplies. This allows direct interfacing with 2.5 V FPGAs or ASICs while maintaining full 167 MHz performance and 3.4 ns tCO, as verified in the "Electrical Characteristics" table of Rev. *E datasheet.

How does the ZZ sleep mode affect data retention and wake-up time?

In ZZ mode (pin HIGH), core current drops to ≤100 µA while retaining all stored data indefinitely. Wake-up is asynchronous and complete within one CLK cycle after ZZ returns LOW; no initialization or refresh is required, preserving deterministic timing for real-time recovery.

Is CY7C1386KV33-167AXC pin-compatible with CY7C1387KV33-167AXC?

No - although both use 100-pin TQFP packages, CY7C1386KV33 (512K × 36) and CY7C1387KV33 (1M × 18) have different pin assignments for data I/O (DQA–DQD vs. DQA–DQB), byte write lines (BWA–BWD vs. BWA–BWB), and address mapping; PCB layout is not interchangeable.