English
Language : 

SH7619 Datasheet, PDF (785/836 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7619 Series
Section 25 Electrical Characteristics
CKIO
Tp
Tpw
Trr
Trc
Trc
tAD1
tAD1
A25 to A0
tAD1
tAD1
A11*1
CSn
RD/WR
RAS
CAS
tCSD1
tCSD1
tCSD1
tCSD1
tRWD
tRWD
tRASD
tRASD
tRASD
tRASD
tCASD
tCASD
Trc
tRWD
DQMxx
D15 to D0
BS
CKE
DACKn*2
(Weak keeper retained)
(High)
Notes: * 1. Address pins connected to A10 in SDRAM
2. DACKn is the waveform when active low is selected.
Figure 25.30 Synchronous DRAM Auto-Refreshing Timing
(WTRP = 1 Cycle, WTRC = 3 Cycles)
Rev. 5.00 Mar. 15, 2007 Page 747 of 794
REJ09B0237-0500