F-51852GNFJ-SLW-AEN (AE) No. 2005-0268 OPTREX CORPORATION Page 7/23
2.3.2. Read/Write Operation Sequence (68 series CPU)
VDD=4.5~5.5V
Parameter Symbol Min. Max. Units
Address Hold Time
t
AH6 0 - ns
Address Setup Time
t
AW6 0 - ns
System Cycle Time
t
CYC6 166 - ns
Enable High Pulse Width (Read)
t
EWHR 70 - ns
Enable High Pulse Width (Write)
t
EWHW 30 - ns
Enable Low Pulse Width (Read)
t
EWLR 30 - ns
Enable Low Pulse Width (Write)
t
EWLW 30 - ns
Data Setup Time
t
DS6 30 - ns
Data Hold Time
t
DH6 10 - ns
Access Time (CL=100pF)
t
ACC6 - 70 ns
Output Disable Time
t
OH6 10 50 ns
Input Signal Rise/Fall Time
t
r,
t
f - 15 ns
VDD=2.7~4.5V
Parameter Symbol Min. Max. Units
Address Hold Time
t
AH6 0 - ns
Address Setup Time
t
AW6 0 - ns
System Cycle Time
t
CYC6 300 - ns
Enable High Pulse Width (Read)
t
EWHR 120 - ns
Enable High Pulse Width (Write)
t
EWHW 60 - ns
Enable Low Pulse Width (Read)
t
EWLR 60 - ns
Enable Low Pulse Width (Write)
t
EWLW 60 - ns
Data Setup Time
t
DS6 40 - ns
Data Hold Time
t
DH6 15 - ns
Access Time (CL=100pF)
t
ACC6 - 140 ns
Output Disable Time
t
OH6 10 100 ns
Input Signal Rise/Fall Time
t
r,
t
f - 15 ns
VDD=2.2~2.7V
Parameter Symbol Min. Max. Units
Address Hold Time
t
AH6 0 - ns
Address Setup Time
t
AW6 0 - ns
System Cycle Time
t
CYC6 1000 - ns
Enable High Pulse Width (Read)
t
EWHR 240 - ns
Enable High Pulse Width (Write)
t
EWHW 120 - ns
Enable Low Pulse Width (Read)
t
EWLR 120 - ns
Enable Low Pulse Width (Write)
t
EWLW 120 - ns
Data Setup Time
t
DS6 80 - ns