Infineon Technologies CY7C1480BV33-167BZXC

Overview

CY7C1480BV33-167BZXC from Cypress Semiconductor is a 72-Mbit pipelined synchronous SRAM with 2M × 36 organization, supporting 167 MHz bus operation (t_CO = 3.4 ns), 3.3 V core supply, and 2.5/3.3 V I/O compatibility. It implements registered address/data paths, synchronous self-timed writes, and user-selectable Intel Pentium®-compatible interleaved or linear burst sequences for high-speed cache applications in networking line cards and telecom baseband processors.

For engineers reviewing the CY7C1480BV33-167BZXC datasheet, CY7C1480BV33-167BZXC pinout, CY7C1480BV33-167BZXC application, or CY7C1480BV33-167BZXC equivalent, key selection criteria include burst counter mode control (MODE pin), byte-write granularity (BWA–BWD + BWE), dual-address-strobe support (ADSP/ADSC), ZZ sleep mode behavior, and JEDEC-compliant TQFP-100 package mechanical and thermal specifications.

Technical Context

This SRAM uses a positive-edge-triggered clock (CLK) to register all synchronous inputs-including addresses (A[1:0]), chip enables (CE1/CE2/CE3), burst controls (ADSC/ADSP/ADV), and write enables (BWX/GW)-enabling deterministic pipelined access timing. The on-chip 2-bit wraparound burst counter generates sequential addresses during burst reads/writes when ADV is asserted.

It supports asynchronous OE-controlled output tri-state and ZZ-controlled low-power sleep mode with data retention. Byte write operations are enabled only when BWE is LOW and one or more BWX pins are LOW; GW overrides all BWX signals to enable full-word writes. All I/Os meet JESD8-5 voltage thresholds for 2.5 V and 3.3 V operation.

Key Specifications

Pinout & Package

Package: JEDEC-standard Pb-free 100-pin thin quad flat pack (TQFP), 14 × 20 × 1.4 mm body, 0.5 mm pitch.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IS61WV102436BLL-167BLI and MT55LSD25636DZ-167:J, the CY7C1480BV33-167BZXC uniquely combines 2M × 36 depth, dual-strobe (ADSP/ADSC) flexibility, and MODE-configurable burst sequencing-critical for legacy processor coherency and multi-master bus arbitration.

Availability

CY7C1480BV33-167BZXC is available at Aetrix Electronics and suitable for network packet buffering, baseband signal processing, and industrial PLC data logging requiring stable component supply, long-lifecycle support, and Pb-free TQFP packaging.

Supply support for CY7C1480BV33-167BZXC 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) is a fabless semiconductor company specializing in high-performance memory, microcontrollers, and connectivity solutions for industrial, automotive, and communications markets.

The CY7C1480BV33 belongs to Cypress's high-speed synchronous SRAM product line, designed specifically for low-latency, burst-capable cache and buffer applications in telecom infrastructure and real-time embedded systems.

FAQ

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

The MODE pin selects the burst address sequence: logic HIGH configures Intel Pentium®-compatible interleaved addressing (e.g., 0, 2, 4, 6), while logic LOW enables linear addressing (e.g., 0, 1, 2, 3). It is sampled at power-up and latched; changing it mid-operation has no effect until the next burst initiation.

Can CY7C1480BV33-167BZXC operate with 2.5 V I/O while using 3.3 V core supply?

Yes. The device supports independent 3.3 V core (VDD) and 2.5 V or 3.3 V I/O (VDDQ) supplies. In TQFP packages, VDDQ and VSSQ are dedicated pins; proper decoupling (0.1 µF ceramic per VDDQ/VSSQ pair) is required to maintain signal integrity and meet JESD8-5 thresholds.

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

When ZZ is driven HIGH, the device enters non-time-critical sleep mode with data retained and core current reduced to ≤120 mA. Wake-up occurs synchronously on the next CLK rising edge after ZZ returns LOW; no additional stabilization delay is required before issuing ADSP/ADSC.

Is the CY7C1480BV33-167BZXC pin-compatible with CY7C1482BV33-167BZXC?

No. Although both share the same speed grade and FBGA option, CY7C1480BV33 is 2M × 36 (72 Mbit) in TQFP-100 or FBGA-165, while CY7C1482BV33 is 4M × 18 (72 Mbit) with different pin mapping-especially for address bits and DQP lines-and lacks certain TQFP-specific pins like VDDQ/VSSQ.