Description

The M514400D-70SJ is a 1,048,576-word · 4-bit dynamic RAM manufactured by Oki with high integration, high-speed operation, and low-power consumption. The device is available in a 26/20-pin plastic SOJ, 20-pin plastic ZIP, or 26/20-pin plastic TSOP package. The low-power version is specially designed for lower-power applications.

Specifications and features

• Product Category: IC Chips
• 4-bit configuration with 1,048,576-word
• Single 5 V power supply with ±10% tolerance
• Input: TTL compatible, low input capacitance
• Output: TTL compatible, 3-state
• Refresh: 1024 cycles/16 ms, 1024 cycles/128 ms (L-version)
• Fast page mode, read modify write capability
• CAS (Column Address Strobe) before RAS (Row Address Strobe) refresh, hidden refresh, RAS-only refresh capability
• Multi-bit test mode capability
• Available in 26/20-pin 300 mil plastic SOJ, 20-pin 400 mil plastic ZIP, or 26/20-pin 300 mil plastic TSOP package

Application Scenarios

The M514400D-70SJ is suitable for use in various electronic devices, such as desktop computers, laptops, and mobile devices that require high-speed operation with low power consumption.

Comparison

• High integration with 1,048,576-word · 4-bit configuration
• Low-power consumption
• Available in three different package options for flexible application
• Fast page mode and read modify write capability

• The device requires a single 5 V power supply with ±10% tolerance which may not be suitable for some applications