HY57V641620HGT-7I

Single 3.3±0.3V power supply 

Note)

All device pins are compatible with LVTTL interface

JEDEC standard 400mil 54pin TSOP-II with 0.8mm 

of pin pitch

All inputs and outputs referenced to positive edge of 

system clock

Data mask function by UDQM or LDQM

Internal four banks operation

Auto refresh and self refresh

4096 refresh cycles / 64ms 

Programmable Burst Length and Burst Type

 - 1, 2, 4, 8 or Full page for Sequential Burst

 - 1, 2, 4 or 8 for Interleave Burst

Programmable CAS Latency ; 2, 3 Clocks

 

 

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