Description

The ISSI IS61LPS25632T/D/J, IS61LPS25636T/D/J, and IS61LPS51218T/D/J are high-speed, low-power synchronous static RAMs designed to provide burstable, high-performance memory for communication and networking applications. The IS61LPS25632T/D/J is organized as 262,144 words by 32 bits and the IS61LPS25636T/D/J is organized as 262,144 words by 36 bits. The IS61LPS51218T/D/J is organized as 524,288 words by 18 bits.

Specifications and features

• Internal self-timed write cycle
• Individual Byte Write Control and Global Write
• Clock controlled, registered address, data and control
• Linear burst sequence control using MODE input
• Three chip enable option for simple depth expansion and address pipelining
• Common data inputs and data outputs
• JEDEC 100-Pin TQFP and 119-pin PBGA package
• Power Supply
+3.3V Vcc
+3.3V or 2.5 VccQ (I/O)
• Auto Power-down during deselect
• Single cycle deselect
• Snooze MODE for reduced-power standby
• JTAG Boundary Scan for PBGA package
• T Version (three chips selects)
• D Version (two chips selects)
• J Version (PBGA Package with JTAG)

Application Scenarios

The ISSI IS61LPS25632T/D/J, IS61LPS25636T/D/J, and IS61LPS51218T/D/J RAMs are suitable for communication and networking applications requiring high-performance memory. They are designed specifically for burstable memory functions, making them ideal for use in routers, switches, and other networking devices.

Comparison

The main advantages of the ISSI IS61LPS25632T/D/J, IS61LPS25636T/D/J, and IS61LPS51218T/D/J RAMs are their high speed, low power consumption, and synchronous operation. These features allow for efficient and reliable memory performance in communication and networking applications. However, one potential disadvantage is that these RAMs may be more expensive compared to other memory options available in the market.