µ
PD78C14(A)
36
AC CHARACTERISTIC CALCULATING EXPRESSION depending on t
CYC
Symbol
Calculating Expression
MIN./MAX.
UNIT
t
AL
2T – 100
MIN.
ns
t
LA
T – 30
MIN.
ns
t
AR
3T – 100
MIN.
ns
t
AD
7T – 220
MAX.
ns
t
LDR
5T – 200
MAX.
ns
t
RD
4T – 150
MAX.
ns
t
LR
T – 50
MIN.
ns
t
RL
2T – 50
MIN.
ns
t
RR
4T – 50 (Data Read)
MIN.
ns
7T – 50 (OP Code Fetch)
t
LL
2T – 40
MIN.
ns
t
ML
2T – 100
MIN.
ns
t
LM
T – 30
MIN.
ns
t
IL
2T – 100
MIN.
ns
t
LI
T – 30
MIN.
ns
t
AW
3T – 100
MIN.
ns
t
LDW
T + 110
MAX.
ns
t
LW
T – 50
MIN.
ns
t
DW
4T – 100
MIN.
ns
t
WDH
2T – 70
MIN.
ns
t
WL
2T – 50
MIN.
ns
t
WW
4T – 50
MIN.
ns
t
CYK
6T (SCK Input)
Note 1
/12T (SCK Input)
Note 2
MIN.
ns
24T (SCK Output)
t
KKL
2.5T + 5 (SCK Input)
Note 1
/5T + 5 (SCK Input)
Note 2
MIN.
ns
12T – 100 (SCK Output)
t
KKH
2.5T + 5 (SCK Input)
Note 1
/5T + 5 (SCK Input)
Note 2
MIN.
ns
12T – 100 (SCK Output)
Notes 1.
In case of x16 or x64 clock rate in asynchronous mode.
2.
In case of x1 clock rate in asynchronous mode, synchronous mode, or I/O interface mode.
Remarks
1.
T = t
CYC
= 1/f
xx
2.
Symbols that cannot be found in this table do not depend on the oscillation frequency (f
xx
).
*
