r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 1323

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

φ
RAS5 to RAS2
UCAS, LCAS
OE
φ
RAS5 to RAS2
UCAS, LCAS
OE
Figure 27.21 CAS-Before-RAS Refresh Timing (with Wait Cycle Insertion)
TRp
Figure 27.20 CAS-Before-RAS Refresh Timing
TRp
t
CASD1
TRrw
t
CSR2
t
t
CSR1
CASD1
TRr
TRr
t
t
CSD2
CSD2
TRc1
Rev. 1.00 Sep. 19, 2008 Page 1293 of 1342
TRc1
Section 27 Electrical Characteristics
TRcw
TRc2
TRc2
REJ09B0467-0100
t
t
CSD1
CASD1
t
t
CASD1
CSD1