UPD48576109中文资料瑞萨数据手册PDF规格书

特性 Features

• SRAM-type interface

• Double-data-rate architecture

• PLL circuitry

• Cycle time: 1.875 ns @ tRC = 15 ns

2.5 ns @ tRC = 15 ns

2.5 ns @ tRC = 20 ns

3.3 ns @ tRC = 20 ns

• Non-multiplexed addresses

• Multiplexing option is available.

• Data mask for WRITE commands

• Differential input clocks (CK and CK#)

• Differential input data clocks (DK and DK#)

• Data valid signal (QVLD)

• Programmable burst length: 2 / 4 / 8 (x9 / x18)

• User programmable impedance output (25 Ω - 60 Ω)

• JTAG boundary scan