參數(shù)資料
型號: IDT72T51256L5BBI
廠商: Integrated Device Technology, Inc.
英文描述: 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (4 QUEUES) 36 BIT WIDE CONFIGURATION 589,824 bits, 1,179,648 bits and 2,359,296 bits
中文描述: 2.5V的多隊列流量控制器件(4個隊列)36位寬度的配置589,824位,1179648和2359296位位
文件頁數(shù): 33/62頁
文件大?。?/td> 622K
代理商: IDT72T51256L5BBI
33
IDT72T51236/72T51246/72T51256 2.5V, MULTI-QUEUE FLOW-CONTROL DEVICES
(4 QUEUES) 36 BIT WIDE CONFIGURATION 589,824, 1,179,648 and 2,359,296 bits
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
Figure 7. Serial Port Connection for Serial Programming
DFM
MRS
SENI
SENO
MQ1
SI
SO
SCLK
DFM
MRS
SENI
SENO
MQ2
SI
SO
SCLK
DFM
MRS
SENI
SENO
MQn
SI
SO
SCLK
Serial Enable
Serial Input
Serial Clock
Default Mode
DFM = 0
Master Reset
Serial Loading
Complete
6116 drw12
Figure 6. Partial Reset
NOTES:
1. For a Partial Reset to be performed on a Queue, that Queue must be selected on both the write and read ports.
2. The queue must be selected a mnimumof 3 clock cycles before the Partial Reset takes place, on both the write and read ports.
3. The Partial Reset must be LOW for a mnimumof 1 WCLK and 1 RCLK cycle.
4. Writing or Reading to the queue (or a queue change) cannot occur until a mnimumof 3 clock cycles after the Partial Reset has gone HIGH, on both the write and read ports.
5. The
PAF
flag output for Qx on the
PAF
n flag bus may update one cycle later than the active
PAF
flag.
6. The
PAE
flag output for Qx on the
PAE
n flag bus may update one cycle later than the active
PAE
flag.
WCLK
RCLK
RDADD
t
AH
t
AS
t
QH
t
QS
Qx
RADEN
r-2
r-1
r
t
PRSH
t
PRSS
t
PRSH
t
PRSS
PRS
r+3
r+1
t
ENS
REN
r+4
t
ENS
t
ROV
OV
t
RAE
PAE
6116 drw11
t
ENS
w+1
w+2
w+3
t
WFF
t
WAF
t
PAF
WEN
WADEN
t
AH
t
AS
WRADD
Qx
w-3
w-2
w-1
t
QH
t
QS
t
ENS
FF
PAF
Active Bus
PAF
-Qx
(5)
Active Bus
PAE
-Qx
(6)
t
PAE
w
r+2
相關(guān)PDF資料
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IDT72T51256L6BB 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (4 QUEUES) 36 BIT WIDE CONFIGURATION 589,824 bits, 1,179,648 bits and 2,359,296 bits
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