CMOS 512K (64K × 8) Pseudo-Static RAM
CE1
VIH
VIL
CE2
VIH
VIL
OR
CE1
VIH
VIL
CE2
VIH
VIL
RFSH
VIH
VIL
I/O0
-
I/O7
VOH
VOL
NOTE: OE, R/W, A0 - A16 = Don't care
tFC
tFC
tRFD
tFP
tFAP
tFP
tFAP
OPEN
Figure 11. Auto Refresh Cycle
tRHC
tFP
CE1
VIH
VIL
CE2
VIH
VIL
OR
CE1
VIH
VIL
CE2
VIH
VIL
RFSH
VIH
VIL
I/O0
- I/O7
VOH
VOL
NOTE: OE, R/W, A0 - A16 = Don't care
tRFD
tFP
tFAS
OPEN
Figure 10. Self Refresh Cycle
tFRS
tRHC
LH5P860
5P860-9
5P860-10
11