pt7a8980 Pericom Technology Inc, pt7a8980 Datasheet - Page 12

• Manufacturer Part Number: pt7a8980
• Description: Pt7a8980/8980l Digital Switch
• Manufacturer: Pericom Technology Inc

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AC Electrical Characteristics
Clock Timing
PT0011(12/05)
Table 9. Timing Characteristics of Clock
Figure 9. Timing Diagram of Clock
Figure 8. Timing Diagram of Frame
Note:
1. Contents of Connection Memory are not lost if the clock stops.
2. Typical figures are at 25
y S m
y S m
y S m
y S m
y S
t
t
t
t
t
t
Bit Cells
t
t
t
C
C
F
C
C
F
C
F
C
S
P
S
F
T
P
S
F
m
P
W
H
L
H
S
H
T
S
C4i
F0i
C4i
F0i
C
C
P
P
F
F
P
P
a r
C
a r
C
l u
C
l u
o l
F
m
P
m
P
e s
e s
a r
k c
e
e
P
P
C
m
D
D
D
D
D
S
H
l u
i S
l u
i S
o
o l
t e
T
C and are for design aid only; not production tested.
e
s e
s e
s e
s e
s e
o
e s
n g
e s
n g
a r
k c
p u
d l
P
r c
r c
r c
r c
r c
s n
l a
t
l u
W
l a
W
CFH
p i
p i
p i
p i
p i
T
P
T
e s
t
i t i
d i
S
m i
CPL
i r e
d i
H
m i
i t
i t
i t
i t
i t
t
t e
n o
h t
CTT
n o
n o
n o
n o
n o
h t
o
W
e
d o
e
p u
d l
d i
f
i H
T
L
f
r o
r o
T
m i
o
h t
T
CH31, Bit 0
h g
w
m i
m i
F
t
F
e
CP
a r
a r
e
e
m
m
e
e
t
FSS
t
CTT
e T
e T
e T
e T
e T
12
t
t s
t s
t s
t s
t s
FSW
C
C
C
C
C
o
o
o
o
o
d n
d n
d n
d n
d n
t i
t i
t i
t i
t i
o i
o i
o i
o i
o i
s n
s n
s n
s n
s n
t
FSH
PT7A8980/8980L Digital Switch
t
CPH
CH0, Bit 7
M n i
M n i
M n i
M n i
M
2
1
5 9
0 2
0 2
0 2
0 2
0 2
0 1
n i
T p y
T p y
T p y
T p y
T
2
1
1
2
t
0 2
CFS
p y
4 4
4 4
2 2
2 2
Data Sheet
M x a
M x a
M x a
M x a
M
1
1
2.2V
0.8V
2.2V
0.8V
0 5
0 5
x a
U
U
U
U
U
n
n
n
s n
s n
s n
s n
s n
s n
s n
s n
s n
n
n
Ver:5
s t i
s t i
s t i
s t i
s t i