Infineon Technologies CY7C1613KV18-300BZXC

Overview

CY7C1613KV18-300BZXC from Cypress Semiconductor is a 144-Mbit QDR® II SRAM with 8 M × 18 organization, 300 MHz maximum clock frequency, 1.8 V core supply, and 1.4–1.8 V I/O supply. It features separate read/write ports, four-word burst architecture, and DDR interfaces on both ports for concurrent high-bandwidth memory access in network packet buffers and switching fabric controllers.

For engineers reviewing the CY7C1613KV18-300BZXC datasheet, CY7C1613KV18-300BZXC pinout, CY7C1613KV18-300BZXC application, or CY7C1613KV18-300BZXC equivalent, key selection criteria include its 1.5-cycle read latency (DOFF = high), echo clock support (CQ/CQ), HSTL-compatible outputs, and 165-ball FBGA package compatibility with depth expansion via RPS/WPS controls.

Technical Context

The device implements true quad data rate operation using independent K/K clocks for address/data capture and C/C clocks for output timing, enabling simultaneous read and write transactions without bus turnaround. Its internal pipelined architecture supports synchronous self-timed writes and full data coherency across all four-word bursts.

It integrates a PLL for precise data placement, JTAG 1149.1 TAP for boundary scan testing, and programmable output impedance via ZQ pin tied to external resistor or VDDQ. The DOFF pin selects between QDR II mode (1.5-cycle latency) and QDR I mode (1-cycle latency), allowing system-level timing flexibility.

Key Specifications

Pinout & Package

Package: 165-ball fine-pitch ball grid array (FBGA), 15 mm × 17 mm × 1.4 mm body, RoHS-compliant Pb-free construction.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-bandwidth dual-port SRAM applications.

Compared with IDT72T3615L10BG and IS61WV102418BLL-15BLI, CY7C1613KV18-300BZXC delivers 10× higher sustained bandwidth, deterministic latency control via DOFF, and built-in signal integrity features (CQ, ZQ, HSTL) essential for 10G+ system designs.

Availability

CY7C1613KV18-300BZXC is available at Aetrix Electronics and suitable for network switching fabric, telecom baseband processing, and high-speed test equipment requiring stable component supply, long-term lifecycle assurance, and consistent FBGA packaging.

Supply support for CY7C1613KV18-300BZXC 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.

CY7C1613KV18 belongs to Cypress's QDR II SRAM product line, engineered specifically for deterministic, high-bandwidth memory access in packet-switched infrastructure where concurrent read/write throughput and sub-cycle timing predictability are critical.

FAQ

What is the function of the DOFF pin on CY7C1613KV18-300BZXC?

The DOFF (Data Output OFFset) pin configures read latency mode: when asserted high, it enables QDR II operation with 1.5-cycle read latency; when low, it reverts to QDR I behavior with 1-cycle latency. This allows system designers to trade off latency against timing margin without changing hardware layout or clocking scheme.

How does the ZQ pin affect output drive strength?

The ZQ pin connects to an external resistor to ground (typically 240 Ω) to calibrate output driver impedance to 0.2 × RQ (e.g., 48 Ω). This matches the SRAM's HSTL outputs to PCB trace impedance, minimizing signal reflections and jitter. Connecting ZQ directly to VDDQ enables minimum-impedance mode (≈24 Ω), while leaving it unconnected or grounded violates specifications.

Can CY7C1613KV18-300BZXC operate with only one clock domain?

Yes - the device supports single-clock mode where K and C are tied together (and K and C tied together), simplifying clock distribution. In this mode, all synchronous inputs and outputs reference K/K, and echo clocks CQ/CQ derive from K. However, dual-clock operation is required to achieve full QDR II performance and deskew capability.

What is the purpose of the BWS0 and BWS1 pins?

BWS0 and BWS1 are active-low byte write select signals that control which 9-bit segments of D[17:0] are written during each burst cycle: BWS0 enables D[8:0], BWS1 enables D[17:9]. When both are deasserted, no data is written; when only one is active, only its corresponding byte group updates - preserving other bits in the 18-bit word.