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IDT7134
HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
IDT7134
HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM WITH SEMAPHORE
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Service & Packaging
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IDT7134 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The IDT7134 is a high-speed 4K x 8 Dual-Port Static RAM designed to be used in systems where on-chip hardware port arbitration is not needed. This part lends itself to those systems which cannot tolerate wait states or are designed to be able to externally arbitrate or withstand contention when both sides simultaneously access the same Dual-Port RAM location. The IDT7134 provides two independent ports with separate control, address, and I/O pins that permit independent, asynchronous access for reads or writes to any location in memory. It is the user’s responsibility to ensure data integrity when simultaneously accessing the same memory location from both ports. An automatic power down feature, controlled by CE, permits the on-chip circuitry of each port to enter a very low standby power mode. Fabricated using IDT’s CMOS high-performance technology, these Dual-Port typically on only 500mW of power. Low-power (LA) versions offer battery backup data retention capability, with each port typically consuming 200µW from a 2V battery. The IDT7134 is packaged on either a sidebraze or plastic 48-pin DIP, 48-pin LCC, 52-pin PLCC and 48-pin Ceramic Flatpack. Military grade product is manufactured in compliance with the latest revision of MIL-STD-883, Class B, making it ideally suited to military temperature applications demanding the highest level of performance and reliability.FEATURES: • High-speed access — Military: 25/35/45/55/70ns (max.) — Commercial: 20/25/35/45/55/70ns (max.) • Low-power operation — IDT7134SA Active: 500mW (typ.) Standby: 5mW (typ.) — IDT7134LA Active: 500mW (typ.) Standby: 1mW (typ.) • Fully asynchronous operation from either port • Battery backup operation—2V data retention • TTL-compatible; single 5V (±10%) power supply • Available in several popular hermetic and plastic packages • Military product compliant to MIL-STD-883, Class B • Industrial temperature range (–40°C to +85°C) is available, tested to military electrical specifications
Key Features
- High-speed access
- — Military: 25/35/45/55/70ns (max.)
- — Commercial: 20/25/35/45/55/70ns (max.)
- Low-power operation
- — IDT7134SA
- Active: 500mW (typ.)
- Standby: 5mW (typ.)
- — IDT7134LA
- Active: 500mW (typ.)
- Standby: 1mW (typ.)
- Fully asynchronous operation from either port
- Battery backup operation—2V data retention
- TTL-compatible; single 5V (±10%) power supply
- Available in several popular hermetic and plastic packages
- Military product compliant to MIL-STD-883, Class B
- Industrial temperature range (–40°C to +85°C) is available, tested to military electrical specifications
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Manufacturer | IDT | Product Category ! | Memory ICs |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is IDT7134?
The IDT7134 is a high-speed 1K x 8 dual-Port RAM (DPRAM) designed by Integrated Device Technology (IDT). It is suitable for applications requiring simultaneous access to shared memory by two separate devices, such as networking equipment, telecommunications systems, and parallel processing systems.
How Does IDT7134 Work?
The IDT7134 works by providing two independent ports for read and write operations, allowing concurrent access to the memory array. It features a fully asynchronous operation, enabling high-speed data transfers between two different devices without the need for additional synchronization circuitry.
How Many Pins does IDT7134 have and What are the Functions of the Pinout Configuration?
The IDT7134 is housed in a 48-pin TQFP (Thin Quad Flat Package) package. The pinout configuration includes:
- A0-A9, B0-B9: Address input/output pins for Port A and Port B, respectively.
- Q0-Q7, BQ0-BQ7: Data input/output pins for Port A and Port B, respectively.
- CEA, CEB: Chip enable input pins for Port A and Port B, respectively.
- WEA, WEB: Write enable input pins for Port A and Port B, respectively.
- CLKA, CLKB: Clock input pins for Port A and Port B, respectively.
- OEA, OEB: Output enable input pins for Port A and Port B, respectively.
- BYTE: Byte/word organization selection input pin.
What are the Pros and Cons of IDT7134?
Pros:
- Dual-Port Operation: Allows two devices to access the memory simultaneously, increasing system efficiency.
- High-Speed Operation: Provides fast access times and data transfer rates, suitable for demanding applications.
- Asynchronous Operation: Eliminates the need for complex synchronization logic, simplifying system design.
- Flexible Configuration: Supports byte or word organization, offering versatility in data handling.
Cons:
- Complex Interface: Requires careful consideration of timing and control signals for proper dual-port operation.
- Increased Pin Count: The 48-pin TQFP package may require more board space and careful layout considerations.
- Higher Cost: Dual-port memory devices may have a higher cost compared to single-port alternatives.
Are There Any Equivalents/Alternatives to IDT7134 for Recommendation?
- The CY7C09289V from Cypress Semiconductor is a similar dual-port RAM device suitable for various applications.
- Alternatives to the IDT7134 include the UPD443256G5-A75X-XD3-A from Renesas Electronics and the MSM51V8214F from Oki Semiconductor.
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