Product category: Memory Devices and Modules
News Release from: IDT | Subject: 70T651/59/31/33
Edited by the Electronicstalk Editorial Team on 9 May 2003
Dual ports raise the bar to 9Mbit
IDT has developed the industry's first 9Mbit asynchronous true dual-port products
Unlike alternative devices, these products operate at access times as low as 10ns, making them the fastest asynchronous dual-port devices in the industry. The 9Mbit devices also offer a unique set of features, including a 2.5V core for low power consumption, selectable 2.5 and 3.3V I/O options for voltage bus matching between two separate domains, and an innovative sleep mode.
This article was originally published on Electronicstalk on 9 May 2003 at 8.00am (UK)
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The new family of dual-port products offers several mechanisms designed to enable customers to address contention issues between ports, such as busy arbitration logic, semaphore flags and interrupts.
In addition, the 9Mbit 70T651 (256K x 36) and 70T633 (512K x 18) devices are pin-compatible with the company's existing 4Mbit asynchronous dual-port devices, enabling an easy upgrade with minimal board changes.
These products target markets that require higher densities of high-performance shared memory devices, including wireless base stations, storage area networks, and network switches and routers.
These new 9Mbit asynchronous dual-port offerings provide the industry's largest available memory size, giving designers the option to eliminate the need for multiple memories in an application, thereby lowering design complexity, board space and cost.
The innovative sleep mode feature allows the products to minimise power consumption by placing the part in full standby mode without any input level restrictions.
Other features include a JTAG interface, which allows designers to improve manufacturability with enhanced board debug and production diagnostics, as well as space-saving ball grid array packaging.
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