hm5216805 Renesas Electronics Corporation., hm5216805 Datasheet - Page 35

• Manufacturer Part Number: hm5216805
• Description: 16 M Lvttl Interface Sdram 100 Mhz/83 Mhz 1-mword 8-bit 2-bank/2-mword 4-bit 2-bank - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

Write command to Precharge command interval (same bank): When the precharge command is
executed for the same bank as the write command that preceded it, the minimum interval between the two
commands is 1 cycle. However, if the burst write operation is unfinished, the input data must be masked
by means of DQM for assurance of the cycle defined by t
WRITE to PRECHARGE Command Interval (same bank)
Burst Length = 4 (To stop write operation)
Burst Length = 4 (To write all data)
Command
CLK
Command
DQM
Command
CLK
DQM
CLK
Din
DQM
Din
Din
WRIT
t
WRIT
WRIT
DPL
in A0
in A0
PRE/PALL
in A1
in A1
t
DPL
in A2
PRE/PALL
HM5216805 Series, HM5216405 Series
in A3
DPL
t
DPL
.
PRE/PALL
35