HM5216805 Datasheet, PDF(48/60 Page) Hitachi Semiconductor – 16 M LVTTL Interface SDRAM 100 MHz/83 MHz 1-Mword ´ 8-bit ´ 2-bank/2-Mword ´ 4-bit ´ 2-bank

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HM5216805 Datasheet, PDF (48/60 Pages) Hitachi Semiconductor – 16 M LVTTL Interface SDRAM 100 MHz/83 MHz 1-Mword ´ 8-bit ´ 2-bank/2-Mword ´ 4-bit ´ 2-bank

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HM5216805 Series, HM5216405 Series

Write Cycle

CLK

CKE

RAS

CAS

A11

A10

Address

DQMU

/DQML

I/O(input)

I/O(output)

tCK

tCKH tCKL

VIH

tCS tCH

tRCD

tCS tCH

tAS tAH

tRAS

tRC

tRP

tCS tCH

tAS tAH

Bank 0

Active

t CS

tCH

tDS t DH tDS tDH tDS t DH tDS tDH

t RWL

Bank 0

Write

Bank 0

Precharge

tCS tCH

tAS tAH

Burst length = 4

Bank0 Access

= VIH or VIL

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