IS42S16400D
FEATURES
• Clock frequency: 166, 143 MHz
• Fully synchronous; all signals referenced to a
positive clock edge
• Internal bank for hiding row access/precharge
• Single 3.3V power supply
• LVTTL interface
• Programmable burst length
– (1, 2, 4, 8, full page)
• Programmable burst sequence:
Sequential/Interleave
• Self refresh modes
• 4096 refresh cycles every 64 ms
• Random column address every clock cycle
• Programmable CAS latency (2, 3 clocks)
• Burst read/write and burst read/single write
operations capability
• Burst termination by burst stop and precharge
command
• Byte controlled by LDQM and UDQM
• Industrial temperature availability
• Package: 400-mil 54-pin TSOP II, 60-ball fBGA
• Lead-free package is available
OVERVIEW
ISSI's 64Mb Synchronous DRAM IS42S16400D is organized
as 1,048,576 bits x 16-bit x 4-bank for improved performance.
The synchronous DRAMs achieve high-speed data transfer
using pipeline architecture. All inputs and outputs signals
refer to the rising edge of the clock input.