参数资料
型号: IDT72V51246L7-5BB
厂商: IDT, Integrated Device Technology Inc
文件页数: 25/56页
文件大小: 0K
描述: IC FLOW CTRL MULTI QUEUE 256-BGA
标准包装: 1
类型: 多队列流量控制
安装类型: 表面贴装
封装/外壳: 256-BBGA
供应商设备封装: 256-BGA(17x17)
包装: 托盘
其它名称: 72V51246L7-5BB
31
COMMERCIALANDINDUSTRIAL
TEMPERATURERANGES
IDT72V51236/72V51246/72V51256 3.3V, MULTI-QUEUE FLOW-CONTROL DEVICES
(4 QUEUES) 36 BIT WIDE CONFIGURATION 589,824, 1,179,648 and 2,359,296 bits
Figure
7.
Serial
Programming
RCLK
WEN
SENO (MQ1)
FF
WADEN/
FSTR
RADEN/
ESTR
OV
WCLK
5937
drw12
tWFF
tENS
tROV
tPCWQ
tQS
tQH
tQS
tQH
tPCRQ
HIGH
-
Z
HIGH
-
Z
(Slave
Device)
(Slave
Device)
SO
(MQ1)
MRS
SCLK
SENI
(MQ1)
SI
(MQ1)
tRSR
tSENO
1st
2nd
nth
1st
2nd
nth
1st
2nd
nth
tSENS
SENO (MQ2)
SENO (MQ8)
B21
B
11
tSDS
B
n1
tSDH
B
12
B
22
B
n2
B
18
B
28
B
n8
B
12
B
22
B
n2
B
18
B
28
B
n8
tSENO
tSCLK
tSCKL
tSCKH
Programming
Complete
1st
Device
in
Chain
2
nd
Device
in
Chain
F
inal
Device
in
Chain
tSDO
tSDOP
tSENOP
NOTES:
1.
SENI
can
be
toggled
during
serial
loading.
Once
serial
programming
of
a
device
is
complete,
the
SENI
and
SI
inputs
become
transparent.
SENI
SENO
and
SI
SO.
2
.
DFM
is
LOW
during
Master
Reset
to
provide
Serial
programming
mode,
DF
is
don't
care.
3
.
When
SENO
of
the
final
device
is
LOW
no
further
serial
loads
will
be
accepted.
4
.
n=
19+(Qx72);
where
Q
is
the
number
of
queues
required
for
the
IDT72V51236/72V51246/72V51256.
5
.
This
diagram
illustrates
8
devices
in
expansion.
6
.
Programming
of
all
devices
must
be
complete
(
SENO
of
the
final
device
is
LOW),
before
any
write
or
read
port
operations
can
take
place,
this
includes
queue
selections.
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