ICS9248BF-138T IDT, Integrated Device Technology Inc, ICS9248BF-138T Datasheet - Page 4

• Manufacturer Part Number: ICS9248BF-138T
• Description: IC FREQ GENERATOR/BUFFER 48-SSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Frequency Generatorr

Specifications of ICS9248BF-138T

• Input: Crystal
• Output: Clock
• Frequency - Max: 200MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-SSOP
• Frequency-max: 200MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 9248BF-138T

ICS9248-138
Byte 5: Control Register
(1= enable, 0 = disable)
Notes:
1. Inactive means outputs are held LOW and are disabled
2. Latched Frequency Selects (FS#) will be inverted
logic load of the input frequency select pin conditions.
0342C—08/26/03
Byte 1: SDRAM Control Register
(1= enable, 0 = disable)
Byte 3: 3V66, Control Register
(1= enable, 0 = disable)
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
from switching.
B
i B
i B
i B
i B
i B
i B
i B
B
B
i B
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
T I
T I
T I
7 t
6 t
5 t
4 t
3 t
2 t
0 t
1 t
7
6
5
4
3
2
0
1
7
6
5
4
3
2
0
1
P
P
P
3
3
3
3
3
4
4
4
3
4
N I
3
4
N I
N I
7
8
9
-
-
-
-
-
-
-
-
1
2
3
5
6
7
1
7
4
5
9
0
1
#
#
#
P
P
P
W
W
W
X
X
X
X
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
D
D
F
F
S
S
S
S
S
S
F
R
R
R
R
S (
R
I
3
3
3
C
C
S
S
S
O
S
S
D
D
D
D
D
D
S
V
V
V
D
D
D
e
e
e
e
E
P
P
E
A
2
1
4
s
s
s
s
6
6
6
R
R
R
R
R
R
F
U
U
R
R
R
L
P
#
#
e
e
e
e
#
6
6
6
0
A
A
A
A
A
A
C
C
A
A
A
2
v r
v r
v r
v r
0 -
1 -
2 -
C I
D
D
D
M
M
M
M
M
M
4
M
M
M
L
L
e
e
e
e
E
E
E
_
K
K
_
7
6
5
4
3
2
1
0
d
d
d
d
S
4
S
S
F
1
0
8
C
C
C
#
R
R
R
# )
P I
P I
P I
I T
I T
I T
O
O
O
N
N
N
4
Byte 4: Control Register
(1= enable, 0 = disable)
Byte 6: Control Register
(1= enable, 0 = disable)
Note: Don’t write into this register, writing into this
Byte 2: PCI, Control Register
(1= enable, 0 = disable)
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
i B
i B
i B
B
B
i B
i B
i B
i B
B
i B
B
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
T I
T I
T I
7 t
6 t
5 t
4 t
3 t
2 t
0 t
1 t
7
6
5
4
3
2
0
7
6
5
4
3
2
0
1
register can cause malfunction. This Byte
becomes the Byte Count for Readback, so it
cannot be seen as data.
1
P
P
P
2
2
2
N I
2
N I
1
1
1
1
1
1
N I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7
6
8
0
9
7
6
5
3
2
#
#
#
P
P
P
W
W
0
0
0
0
0
0
W
1
1
X
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
D
D
R
R
R
R
R
R
R
R
R
R
R
R
R
4
4
2
F
P
P
P
P
P
P
P
e
e
e
e
e
e
e
e
8
8
4
e
e
e
e
e
S
C
C
C
C
C
C
C
_
s
s
s
s
s
s
s
s
M
M
s
s
s
s
s
0
C I
C I
C I
C I
C I
C I
C I
e
e
e
e
e
e
e
e
4
e
e
e
e
e
H
H
#
v r
v r
v r
v r
v r
v r
v r
v r
8
v r
v r
v r
v r
v r
D
D
L
L
L
L
L
L
L
z
z
D
M
e
e
e
e
e
e
e
e
K
K
K
K
K
K
K
e
e
e
e
e
E
0 -
1 -
E
E
d
d
d
d
d
d
d
d
H
d
d
d
d
d
6
5
4
3
2
1
0
S
S
S
z
(
(
(
(
(
(
(
(
C
C
N
N
N
N
N
N
N
N
C
R
R
t o
t o
t o
t o
t o
t o
t o
t o
R
P I
P I
) e
) e
) e
) e
) e
) e
) e
) e
P I
I T
I T
I T
O
O
O
N
N
N