Rainbow-electronics DS1202S Manual de usuario Pagina 7

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DS1202, DS1202S
032697 7/11
AC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V
CC
= 2.0 to 5.5V*)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Data to CLK Setup
t
DC
V
CC
=2V 200
ns
7
D
a
t
a
t
o
CLK
S
e
t
up
t
DC
V
CC
=5V 50
ns
7
CLK to Data Hold
t
CDH
V
CC
=2V 280
ns
7
CLK
t
o
D
a
t
a
H
o
ld
t
CDH
V
CC
=5V 70
ns
7
CLK to Data Delay
t
CDD
V
CC
=2V 800
ns
789
CLK
t
o
D
a
t
a
D
e
l
ay
t
CDD
V
CC
=5V 200
ns
7
,
8
,
9
CLK Low Time
t
CL
V
CC
=2V 1000
ns
7
CLK
L
ow
Ti
me
t
CL
V
CC
=5V 250
ns
7
CLK High Time
t
CH
V
CC
=2V 1000
ns
712
CLK
Hi
g
h
Ti
me
t
CH
V
CC
=5V 250
ns
7
,
12
CLK Frequency
f
CLK
V
CC
=2V 0.5
MHz
712
CLK
F
requency
f
CLK
V
CC
=5V DC 2.0
MH
z
7
,
12
CLK Rise and Fall
t
R
t
F
V
CC
=2V 2000
ns
CLK
Ri
se an
d
F
a
ll
t
R
,
t
F
V
CC
=5V 500
ns
RST to CLK Setup
t
CC
V
CC
=2V 4
µs
7
RST
t
o
CLK
S
e
t
up
t
CC
V
CC
=5V 1
µs
7
CLK to RST Hold
t
CCH
V
CC
=2V 1000
ns
7
CLK
t
o
RST
H
o
ld
t
CCH
V
CC
=5V 250
ns
7
RST Inactive Time
t
CWH
V
CC
=2V 4
µs
7
RST
I
nac
ti
ve
Ti
me
t
CWH
V
CC
=5V 1
µs
7
RST to I/O High Z
t
CDZ
V
CC
=2V 280
ns
7
RST
t
o
I/O
Hi
g
h
Z
t
CDZ
V
CC
=5V 70
ns
7
*Unless otherwise noted.
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