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CY7C199-15VC

Name: CY7C199-15VC
Rating: 4.7 (12 reviews)

IC SRAM 256KBIT PARALLEL 28SOJ

メーカー
Mfr。パート #CY7C199-15VC
パッケージ 28-BSOJ
データシート
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仕様

Package	Tube,Tube
ProductStatus	Obsolete
MemoryType	Volatile
MemoryFormat	SRAM
Technology	SRAM - Asynchronous
MemorySize	256Kb (32K x 8)
MemoryInterface	Parallel
WriteCycleTime-WordPage	15ns
AccessTime	15 ns
Voltage-Supply	4.5V ~ 5.5V
OperatingTemperature	0°C ~ 70°C (TA)
MountingType	Surface Mount
Package/Case	28-BSOJ (0.300, 7.62mm Width)

概要

Description

CY7C199-15VC is a Cypress (now Renesas/Cypress lineage) memory IC, a high-speed static RAM device. The “-15” denotes a 15 ns access-time speed grade, and “VC” refers to the package/variant code used for that device, not a function type. It is a single-port SRAM with a straightforward interface (address inputs, data I/O, and control signals such as Chip Enable, Output Enable, and Write Enable) and is used for fast data buffering and storage in digital systems.
Key points:
- Type: static RAM (SRAM)
- Speed: ~15 ns access time
- Interface: standard SRAM (address, data I/O, CE/OE/WE)
- Packaging: VC variant (specific form factor)
- Applications: caches, buffers, quick-access data storage
For precise details (memory size, word width, voltage, timing, pinout), consult the official CY7C199-15VC datasheet and the vendor’s product page. If you share your target density and bus width, I can help map the address/data pins and control signals to your design.

Features

I don’t have the exact datasheet here. Here are the typical features you’d expect for CY7C199-15VC (high-speed SRAM family):
- -15 ns access time (speed grade)
- 8-bit data bus width
- 5V single-supply operation
- Asynchronous read/write operation
- Control pins: Chip Enable (CS/CE), Output Enable (OE), and Write Enable (WE)
- Standby/power-down when CS is deasserted
- TTL-compatible input/output levels
- Available in compact packaging (VC suffix indicates a small outline/compact package option such as 28-pin SOIC/DIP variants)
For exact organization (e.g., memory size), package options, and electrical characteristics, please share the datasheet or allow me to look it up.

Package

CY7C199-15VC comes in a 28-pin surface-mount SOIC (Small Outline Integrated Circuit) package.

Pinout

- Pin count: 28 pins (28-pin package, e.g., SOIC).
- Function: Cypress CY7C199-15VC is a 32K × 8 static RAM (SRAM) with asynchronous access. It uses address lines A0–A14, data I/O lines DQ0–DQ7, and control signals CE (chip enable), OE (output enable), and WE (write enable) to read/write data on a tri-state 8-bit data bus. Speed grade -15 (and typically 3.3V operation).

Manufacturer

- Manufacturer: Cypress Semiconductor Corporation (now a wholly owned subsidiary/brand of Infineon Technologies AG after its 2020 acquisition).
- What kind of company: A global semiconductor company that designs and manufactures memory and mixed-signal ICs (e.g., SRAM/Flash memory, microcontrollers, programmable/embedded solutions) for embedded systems.

Application

CY7C199-15VC is a dual-port static RAM. Typical applications:
- High-speed data sharing between processors/FPGA IP cores
- Video/graphics memory (frame buffers, image processing)
- Networking/telecom data-path buffering and rate matching
- DSP/FPGA scratch-pad or cache memory
- Peripheral interfacing and bus bridging with simultaneous read/write
- Embedded/industrial controllers requiring low-latency dual-port access

Equivalent

CY7C199-15VC is a Cypress SRAM. To give exact cross-references, please confirm the device density and data width (e.g., 1 Mb x8, 2 Mb x4) and the package. With that, I’ll provide precise equivalent parts from major vendors (ISSI, Micron, Renesas, etc.).