Parameter
Symbol
Min. Value
Max.Value
Unit
Remarks
Non-Quadrature Mode
(See Fig. 6 & 9)
Clock A - High Pulse Width
Clock A - Low Pulse Width
Direction Input B Set-up Time
Direction Input B Hold Time
Clock Frequency (non-Mod-N)
Clock to DFLAG/ or
t6
t7
t8S
t8H
fA
12
12
12
10
-
-
-
-
-
40
-
ns
ns
ns
ns
MHz
ns
-
-
-
-
fA = (1/(t6 + t7))
t9
20
-
LFLAG/ delay
DFLAG/ output width
t10
12
-
ns
t10 = t7
Transient Characteristics. (TA = -25˚C to +85˚C, VDD = 3.3V ± 10%)
Parameter
(See Fig. 2)
Symbol
Min. Value
Max.Value
Unit
Remarks
SCK High Pulse Width
SCK Low Pulse Width
SS/ Set Up Time
tCH
tCL
tCSL
tCSH
120
120
120
120
-
-
-
-
ns
ns
ns
ns
-
-
-
-
SS/ Hold Time
Quadrature Mode
(See Fig. 5, 7 & 8)
fCKI High Pulse Width
fCKI Pulse Width
t1
t2
fFCK
24
24
-
-
-
20
ns
ns
MHz
-
-
-
fCKI Frequency
Effective Filter Clock fF Period
t3
t3
fF
t4
50
100
-
52
105
-
4t3
25
60
-
-
-
20
-
-
4.5
5t3
-
ns
ns
MHz
ns
ns
MHz
-
ns
ns
t3 = t1+t2, MDR0 <7> = 0
t3 = 2(t1+t2), MDR0 <7> = 1
fF = 1/ t3
t4 > t3
t5 ³ 2t3
fQA = fQB < 1/4t3
-
tQ2 = (t3)/2
tid > t4
-
-
-
Effective Filter Clock fF frequency
Quadrature Separation
Quadrature Clock Pulse Width
Quadrature Clock frequency
Quadrature Clock to Count Delay
x1/x2/x4 Count Clock Pulse Width
Index Input Pulse Width
Index Set Up Time
t5
fQA, fQB
tQ1
tQ2
tid
tis
tih
tfl
-
10
10
5.5t3
ns
ns
ns
Index Hold Time
Quadrature clock to
-
4.5t3
DFLAG/ or LFLAG/ delay
DFLAG/ output width
tfw
52
-
ns
tfw = t4
Non-Quadrature Mode
(See Fig. 6 & 9)
Clock A - High Pulse Width
Clock A - Low Pulse Width
Direction Input B Set-up Time
Direction Input B Hold Time
Clock Frequency (non-Mod-N)
Clock to DFLAG/or
t6
t7
t8S
t8H
fA
24
24
24
24
-
-
-
-
-
40
-
ns
ns
ns
ns
MHz
ns
-
-
-
-
fA = (1/(t6 + t7))
t9
40
-
LFLAG/ delay
DFLAG/ output width
t10
24
-
ns
t10 = t7
7366R-041906-6
LSI [ LSI COMPUTER SYSTEMS ]
