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| 型號(hào)： | IDT75T43100S50BS |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PBGA304 |
| 封裝： | 31 X 31 MM, LOW PROFILE, THERMALLY ENHANCED, SBGA-304 |
| 文件頁(yè)數(shù)： | 36/46頁(yè) |
| 文件大?。?/td> | 446K |
| 代理商： | IDT75T43100S50BS |
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6.42
41
IDT75T43100
Preliminary Information
IP Co-Processor 32K Entries
Commercial Temperature Ranges
72 Bit Lookup Followed by an IPC Write (with ZBT SRAM)(5)
Sequence Diagrams
NOTES:
1
.
CCLK
is
an
internal
signal
not
seen
by
the
user.
2
.
Next
command
can
be
initiated
during
cycle
t
6.
3
.
The
Index
Bus
is
driven,
but
to
an
indeterminate
state.
4
.
For
ZBT
SRAM,
the
OE
input
is
tied
Low
and
the
CE
input
is
driven
by
the
IPC
CE
/OE
output.
5
.
For
Synchronous
Pipelined
Burst
SRAM
sequence
see
Output
Timing
diagram
(with
PBSRAM).
6.
HITACK
and
VALID
signals
can
be
valid
based
on
the
rising
edge
of
CLK2X
at
time
tCDV
dependent
on
the
Pipeline
Delay
(PD)
va
lue
that
is
programmed
into
the
System
Configuration
Register
(SCR).
These
signals
will
drive
for
2
CLK2X
cycles.
A
PD
value
of
2
is
shown.
Refer
to
Output
Timing
(with
ZBT
SRAM)
for
the
relative
timing
of
all
PD
values.
CL
K
2
X
CCL
K
(1
)
C
M
D
[3:
0]
RE
Q
D
A
T
A
72-
B
IT
L
O
K
U
P
INDE
X
I5
32
5
d
rw
22
SRA
M
R
E
AD
D
A
T
A
VA
LID
(6
)
C
E
(4
)
W
E
RDA
CK
H
ITA
C
K
(6
)
IN
D
X
C
M
D
[6:
4]
SRA
M
D
A
T
A
NE
XT
C
O
M
A
N
D,
A
D
DR
ESS
OR
DA
T
A
GM
R
RE
G
IS
T
E
R
SR
R
E
GI
ST
ER
NE
W
G
MR
RE
G
IS
T
E
R
NE
W
S
R
E
GIST
E
R
MA
T
CHO
UT
t 1
t 2
t 3
t 4
t 5
t 6
t 7
t 8
t 0
t 1
t 2
t 3
t 4
t 5
t 6
t 7
t 8
t 0
(72
b
it
look
up)
(I
PC
W
R
IT
E)
IP
C
W
RIT
E
CO
M
AN
D
R
E
Q
S
T
B
7
2
-B
it
L
O
K
UP
COM
M
AND
IP
C
W
RI
T
E
CO
M
A
ND
N
EXT
CO
M
A
ND
NOT
E
2
t 9
t 10
t 11
t 12
t 13
t 14
t 15
7
2
-B
IT
MA
T
C
H
DAT
A
W
R
IT
E
A
DD
RE
SS
WR
IT
E
D
A
T
A
NO
T
E
3
NOT
E
3
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