OVERVIEW
ISSIs 64Mb Synchronous DRAM IS42S16400E is organized as 1,048,576 bits x 16-bit x 4-bank for improved performance.ThesynchronousDRAMsachievehigh-speed data transfer using pipeline architecture. All inputs and outputs signals refer to the rising edge of the clock input.

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
•  Package: 400-mil 54-pin TSOP II
•  Lead-free package is available
•  Available in Industrial temperature