IDT72P51339L6BBI8 IDT, Integrated Device Technology Inc, IDT72P51339L6BBI8 Datasheet - Page 30
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IDT72P51339L6BBI8
Manufacturer Part Number
IDT72P51339L6BBI8
Description
IC FLOW CTRL 36BIT 256-BGA
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT72P51339L6BB8.pdf
(87 pages)
Specifications of IDT72P51339L6BBI8
Configuration
Dual
Density
576Kb
Access Time (max)
3.7ns
Word Size
36b
Organization
2Kx36x8
Sync/async
Synchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
BGA
Clock Freq (max)
166MHz
Supply Current
150mA
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
256
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
72P51339L6BBI8
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT72P51339L6BBI8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
trol device supports writing and reading from either the same queue of from
different queues. The device also supports simultaneous queue switching on
on the write port. Refer to Table 6, Write Queue Switch Operation for a detailed
description of each queue switch clock cycle.
IDT72P51339/72P51349/72P51359/72P51369 1.8V, MQ FLOW-CONTROL DEVICES
(8 QUEUES) 36 BIT WIDE CONFIGURATION 589, 824, 1,179,648, 2,359,296, and 4,718,592
The IDT72P51339/72P51349/72P51359/72P51369 multi-queue flow-con-
The multi-queue flow-control device requires 4 clock cycles to switch queues
WADEN
RADEN
WCLK
RCLK
WEN
Qout
REN
Din
TABLE 6 — WRITE QUEUE SWITCH OPERATION
Queue Switch
QS-1
QS0
QS1
QS2
QS3
Cycle
PQ
PQ
Queue Switch Initiated, Rewrite/No Rewrite selection
Queue MARK / Un-MARK
—
•
•
•
Start of Write Data Operation
PAF signal updated for Next Queue (NQ)
Packet Ready (PR) signal updated
Full Flag (FF) updated for NQ
PQ
PQ
PQ
PQ
Figure 9. Simultaneous Queue Switching
IDT Mode
PQ
PQ
PQ
PQ
30
the write and read ports. The simultaneous queue switching may occur with
either the Write Clock and Read Clock synchronous or asynchronous to each
other. For reference refer to Figure 9, Simultaneous Queue Switching.
NQ
PQ
Queue Switch Initiated, Rewrite/No Rewrite selection
Queue MARK / Un-MARK
—
•
•
•
Start of Write Data Operation
PAF signal updated for Next Queue (NQ)
Packet Ready (PR) signal updated
IR flag updated for NQ
NQ
FWFT Mode
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
AUGUST 4, 2005
6716 drw15