r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 1328

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

Section 27 Electrical Characteristics
Rev. 1.00 Sep. 19, 2008 Page 1298 of 1342
REJ09B0467-0100
φ
SDRAMφ
Address bus
Precharge-sel
RAS
CAS
WE
CKE
DQMU,
DQML
Data bus
DACK or EDACK
Figure 27.28 Read Data: Two-State Expansion (CAS Latency 2)
T
p
T
r
T
c1
t
t
CKED/
CKEDB
T
c2
t
t
CKED/
CKEDB
T
Rr
T tp
2