Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Technical Manual page 100

8 ELECTRICAL CHARACTERISTICS
SDRAM access cycle
1) #X2SPD = "1" (CPU : SDRAM clock = 1 : 1), 3.3 V single power source
Item
OSC3 input clock frequency
BCLK clock output cycle time
Address delay time
SDA10 delay time
#SDCEx delay time (1)
#SDCEx delay time (2)
#SDRAS signal delay time (1)
#SDRAS signal delay time (2)
#SDCAS signal delay time (1)
#SDCAS signal delay time (2)
HDQM, LDQM signal delay time (1)
HDQM, LDQM signal delay time (2)
SDCKE signal delay time (1)
SDCKE signal delay time (2)
#SDWE signal delay time (1)
#SDWE signal delay time (2)
Read data setup time
Read data hold time
Write data delay time
Write data hold time
2) #X2SPD = "0" (CPU : SDRAM clock = 2 : 1), 3.3 V single power source
Item
OSC3 input clock frequency
BCLK clock output cycle time
Address delay time
SDA10 delay time
#SDCEx delay time (1)
#SDCEx delay time (2)
#SDRAS signal delay time (1)
#SDRAS signal delay time (2)
#SDCAS signal delay time (1)
#SDCAS signal delay time (2)
HDQM, LDQM signal delay time (1)
HDQM, LDQM signal delay time (2)
SDCKE signal delay time (1)
SDCKE signal delay time (2)
#SDWE signal delay time (1)
#SDWE signal delay time (2)
Read data setup time
Read data hold time
Write data delay time
Write data hold time
Note: "T" indicates one cycle time of the CPU clock.
A-84
(Unless otherwise specified: V
Symbol
f
OSC3
t
(C3)
t
(AD)
t
(A10D)
t
(CED)n
t
(CED)p
t
(RASD)n
t
(RASD)p
t
(CASD)n
t
(CASD)p
t
(DQMD)n
t
(DQMD)p
t
(CKED)n
t
(CKED)p
t
(WED)n
t
(WED)p
t
(RDS)
t
(RDH)
t
(WDD)
t
(WDH)
(Unless otherwise specified: V
Symbol
f
OSC3
t
(C3x2)
t
(ADx2)
t
(A10Dx2)
t
(CEDx2)n
t
(CEDx2)p
t
(RASDx2)n
t
(RASDx2)p
t
(CASDx2)n
t
(CASDx2)p
t
(DQMDx2)n
t
(DQMDx2)p
t
(CKEDx2)n
t
(CKEDx2)p
t
(WEDx2)n
t
(WEDx2)p
t
(RDSx2)
t
(RDHx2)
t
(WDDx2)
t
(WDHx2)
EPSON
=V =3.0V to 3.6V, V
DDE DD SS
Min.
40
(14)
(0)
T+11
=V =3.0V to 3.6V, V
DDE DD SS
Min.
57
(14)
(0)
T+11
=0V, Ta=-40°C to +85°C)
Max. Unit
25 MHz
ns
11 ns
11 ns
11 ns
11 ns
12 ns
11 ns
11 ns
11 ns
11 ns
11 ns
11 ns
11 ns
11 ns
11 ns
ns
ns
11 ns
ns
=0V, Ta=-40°C to +85°C)
Max. Unit
17.5 MHz
ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
T+11 ns
ns
ns
11 ns
ns
S1C33L03 PRODUCT PART