HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 782

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Note:
Rev. 1.00, 02/04, page 744 of 804
Item
Write data hold time 3
WAIT setup time
WAIT hold time
RAS delay time 1
RAS delay time 2
CAS delay time 1
CAS delay time 2
DQM delay time 1
DQM delay time 2
CKE delay time 1
CKE delay time 2
*
The timing of SDRAM interface is in clock mode 7. It is recommended that the SDRAM
interface be operated in clock 7.
Symbol
t
t
t
t
t
t
t
t
t
t
t
WDH3
WTS1
WTH1
RASD1
RASD2
CASD1
CASD2
DQMD1
DQMD2
CKED1
CKED2
Min
1/2t
1/2t
1/2t
1
1/2t
1
1/2t
1
1/2t
1
1/2t
cyc
cyc
cyc
cyc
cyc
cyc
cyc
+ 7
+ 3
66 MHz
Max
—
—
—
13
1/2t
13
1/2t
13
1/2t
13
1/2t
cyc
cyc
cyc
cyc
+ 13 ns
+ 13 ns
+ 13 ns
+ 13 ns
ns
ns
ns
Unit
ns
ns
ns
ns
28.40
Figure
28.15 to 28.22
28.15 to 28.22
28.23 to 28.39, 28.44, 28.45
28.40 to 28.43
28.23 to 28.39, 28.44, 28.45
28.40 to 28.43
28.23 to 28.39, 28.44, 28.45
28.40 to 28.43
28.38, 28.39, 28.44, 28.45
28.42