Infineon Technologies CY7C1364C-166BZI

Overview

CY7C1364C-166BZI from Infineon Technologies is a 4-Mbit (256K × 16) synchronous static RAM (SSRAM) with QDR™ II architecture, 166 MHz clock frequency, 3.3 V core/interface supply, and burst-length-4 read/write capability. It supports dual-data-rate (DDR) operation on both read and write data buses and is used in high-speed networking packet buffers and baseband processing in telecom infrastructure.

For engineers reviewing the CY7C1364C-166BZI datasheet, CY7C1364C-166BZI pinout, CY7C1364C-166BZI application, or CY7C1364C-166BZI equivalent, key selection criteria include QDR-II timing compliance, 16-bit bus width, 3.3 V I/O compatibility, and industrial temperature range support (–40°C to +85°C).

Technical Context

This QDR-II SSRAM implements separate read and write data buses with independent address paths, enabling concurrent read and write operations without bus turnaround delay. It uses differential K/K# clocks for precise edge alignment and supports programmable latency (2–3 cycles) and burst termination on-the-fly.

The device features internal self-timed write cycles, JTAG boundary-scan (IEEE 1149.1), and flow-through read architecture with no pipelined latency penalty. All control signals are registered on the rising edge of K clock, and data is captured on both edges of K and K#.

Key Specifications

Pinout & Package

The CY7C1364C-166BZI is housed in a 165-ball fine-pitch ball grid array (FBGA) package with 1.0 mm ball pitch and 13 mm × 15 mm body size. Pin functions conform to JEDEC-standard QDR-II SSRAM layout for interoperability with FPGA and ASIC memory controllers.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar QDR-II SSRAM applications.

Compared with CY7C1364C-166BZI, the CY7C1374C variant offers voltage flexibility at the cost of I/O compatibility, while the AS7C34098B reduces test coverage to lower BOM cost-neither provides identical feature parity in mixed-voltage or high-assurance systems.

Availability

CY7C1364C-166BZI is available at Aetrix Electronics and suitable for telecom infrastructure, network switching, baseband processing, and high-performance computing requiring stable component supply and long-term industrial temperature support.

Supply support for CY7C1364C-166BZI 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

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive ICs, security solutions, and high-performance memory products.

CY7C1364C belongs to Infineon's QDR-II SSRAM product line, engineered specifically for deterministic, low-latency, high-bandwidth buffering in packet-switched networking and real-time signal processing systems.

FAQ

What is the maximum supported burst length for CY7C1364C-166BZI?

The device supports only fixed burst length of 4 words, as defined by QDR-II specification. Burst termination is not supported-transactions always complete all four data transfers once initiated. This simplifies controller design but requires software to align buffer accesses to 4-word boundaries.

Does CY7C1364C-166BZI support asynchronous reset or power-down mode?

No. The CY7C1364C-166BZI does not implement hardware reset or deep power-down mode. Power management relies on disabling clocks and controlling chip select (not applicable-no /CS pin); standby current remains ~100 mA at 3.3 V due to active termination and internal bias networks.

Can CY7C1364C-166BZI be used with a single-ended clock source?

No. The K/K# differential pair must be driven with matched-amplitude, 180° out-of-phase signals. Single-ended drive violates AC timing specs and causes setup/hold violations on address and data inputs; external differential clock generator or FPGA LVDS output is mandatory.

Is the 165-ball FBGA package RoHS-compliant and lead-free?

Yes. The CY7C1364C-166BZI uses a lead-free, RoHS-compliant 165-ball FBGA package with matte tin surface finish. Reflow profile follows IPC/JEDEC J-STD-020D for MSL3 handling, and moisture sensitivity level is rated at Level 3 (168 hours floor life at ≤30°C/60% RH).