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DRAM access cycle common characteristics
Item
#RAS signal delay time (1)
#RAS signal delay time (2)
#RAS signal pulse width
#CAS signal delay time (1)
#CAS signal delay time (2)
#CAS signal pulse width
Read signal delay time (3)
Read signal pulse width (2)
Write signal delay time (3)
Write signal pulse width (2)
DRAM random access cycle and DRAM fast-page cycle
Item
Column address access time
#RAS access time
#CAS access time
EDO DRAM random access cycle and EDO DRAM page cycle
Item
Column address access time
#RAS access time
#CAS access time
Read data setup time
Burst ROM read cycle
Item
Read address access time (2)
Chip enable access time (2)
Read signal access time (2)
Burst address access time
External bus master and NMI
Item
#BUSREQ signal setup time
#BUSREQ signal hold time
#BUSACK signal output delay time
High-impedance
output delay time
Output
high-impedance delay time
#NMI pulse width
Input, Output and I/O port
Item
Input data setup time
Input data hold time
Output data delay time
K-port interrupt
SLEEP, HALT2 mode
input pulse width Others
S1C33210 PRODUCT PART
(Unless otherwise specified: V
Symbol
Min.
t
RASD1
t
RASD2
t
t
(2+WC)-10
RASW
CYC
t
CASD1
t
CASD2
t
t
(0.5+WC)-10
CASW
CYC
t
RDD3
t
t
(2+WC)-10
RDW2
CYC
t
WRD3
t
t
(2+WC)-10
WRW2
CYC
(Unless otherwise specified: V
Symbol
Min.
t
ACCF
t
RACF
t
CACF
(Unless otherwise specified: V
Symbol
Min.
t
ACCE
t
RACE
t
CACE
t
RDS2
(Unless otherwise specified: V
Symbol
Min.
t
ACC2
t
CEAC2
t
RDAC2
t
ACCB
(Unless otherwise specified: V
Symbol
Min.
t
BRQS
t
BRQH
t
BAKD
t
Z2E
t
B2Z
t
NMIW
(Unless otherwise specified: V
Symbol
Min.
t
INPS
t
INPH
t
OUTD
t
KINW
2
EPSON
8 ELECTRICAL CHARACTERISTICS
=2.7V to 3.6V, V
=0V, Ta=-40 C to +85 C)
DD
SS
Max.
10
10
10
10
10
10
=2.7V to 3.6V, V
=0V, Ta=-40 C to +85 C)
DD
SS
Max.
t
(1+WC)-25
CYC
t
(1.5+WC)-25
CYC
t
(0.5+WC)-25
CYC
=2.7V to 3.6V, V
=0V, Ta=-40 C to +85 C)
DD
SS
Max.
t
(1.5+WC)-25
CYC
t
(2+WC)-25
CYC
t
(1+WC)-20
CYC
20
=2.7V to 3.6V, V
=0V, Ta=-40 C to +85 C)
DD
SS
Max.
t
(1+WC)-25
CYC
t
(1+WC)-25
CYC
t
(0.5+WC)-25
CYC
t
(1+WC)-25
CYC
=2.7V to 3.6V, V
=0V, Ta=-40 C to +85 C)
DD
SS
Max.
16
0
10
10
10
30
=2.7V to 3.6V, V
=0V, Ta=-40 C to +85 C)
DD
SS
Max.
20
10
20
30
t
CYC
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
Unit
ns
ns
ns
ns
Unit
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
A-77
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