Cypress Semiconductor Corp CY7C1480BV33-167AXI

Overview

CY7C1480BV33-167AXI from Cypress Semiconductor is a 72-Mbit pipelined synchronous SRAM organized as 2M × 36 bits, operating at 167 MHz with 3.3 V core and 2.5/3.3 V I/O supply, registered inputs/outputs for deterministic timing, and JEDEC-standard TQFP-100 or FBGA-165 packaging - deployed in high-speed CPU cache subsystems requiring burst-mode memory access.

For engineers reviewing the CY7C1480BV33-167AXI datasheet, CY7C1480BV33-167AXI pinout, CY7C1480BV33-167AXI application, or CY7C1480BV33-167AXI equivalent, key selection factors include synchronous burst timing (interleaved/linear), byte-write granularity (BWA–BWD + BWE), clock-to-output delay (3.4 ns), and dual-voltage I/O compatibility with legacy and modern logic families.

Technical Context

This SRAM implements a positive-edge-triggered synchronous interface with on-chip address register, 2-bit wraparound burst counter, and pipelined enable logic gated by ADSP/ADSC strobes. All address, data, and control inputs (except OE and ZZ) are registered on CLK rising edge, enabling precise setup/hold timing at 167 MHz.

Burst sequencing is user-selectable via MODE pin, supporting Intel Pentium®-compatible interleaved or linear address progression. Write operations are self-timed and support byte-width (1–4 bytes) or global (all bytes) writes via GW, with asynchronous OE and ZZ controls for output tri-state and low-power sleep modes.

Key Specifications

Pinout & Package

Available in JEDEC-standard Pb-free 100-pin thin quad flat pack (TQFP, 14 × 20 × 1.4 mm) and 165-ball fine-pitch ball grid array (FBGA, 15 × 17 × 1.4 mm). Pin functions validated per Cypress Document 001-15145 Rev. *L.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IS61WV204836BLL-167BLI and MT48LC32M36A2-167:G, the CY7C1480BV33-167AXI delivers deterministic zero-wait-state access, integrated burst counter, and dual-voltage I/O - critical for cache coherency and real-time buffer management where latency predictability outweighs raw density or cost.

Availability

CY7C1480BV33-167AXI is available at Aetrix Electronics and suitable for high-speed CPU cache subsystems, network packet buffering, industrial motion control buffers, and medical imaging frame stores requiring stable component supply across extended product lifecycles.

Supply support for CY7C1480BV33-167AXI 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, with expertise in synchronous SRAM, NOR Flash, and PSoC architectures.

The CY7C1480BV33 belongs to Cypress's high-speed pipelined SRAM product line, engineered specifically for deterministic, low-latency cache and buffer applications in x86-compatible and real-time embedded systems.

FAQ

What is the function of the MODE pin on CY7C1480BV33-167AXI?

The MODE pin selects burst address sequence behavior: LOW configures interleaved addressing (Intel Pentium® compatible), HIGH selects linear addressing. It is sampled asynchronously at power-up or reset and latched into the internal burst counter logic to determine how ADV increments the address during burst cycles.

Can CY7C1480BV33-167AXI operate with 2.5 V I/O while maintaining 3.3 V core voltage?

Yes - VDDQ is independently supplied and supports either 2.5 V or 3.3 V, while VDD remains fixed at 3.3 V. This allows direct interfacing with 2.5 V processor buses without level shifters, provided VDDQ and VSSQ are properly decoupled and meet AC timing margins per the datasheet's 2.5 V TAP test conditions.

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

In ZZ mode (HIGH), core power consumption drops to ≤120 mA standby current while retaining all stored data. Wake-up is asynchronous and completes within one CLK cycle after ZZ returns LOW; no reinitialization or refresh is required, preserving cache coherency during brief idle periods.

Is JTAG boundary scan supported on all package variants of CY7C1480BV33-167AXI?

Yes - IEEE 1149.1 JTAG is implemented identically across both TQFP-100 and FBGA-165 packages. Pins TCK, TMS, TDI, and TDO are dedicated and electrically compliant per JESD8-5; boundary scan functionality is enabled by default and may be disabled via instruction register if needed for pin multiplexing.