IDT72P51749L6BB IDT, Integrated Device Technology Inc, IDT72P51749L6BB Datasheet - Page 35

• Manufacturer Part Number: IDT72P51749L6BB
• Description: IC FLOW CTRL 36BIT 256-BGA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT72P51749L6BB

• Configuration: Dual
• Density: 1.125Mb
• Access Time (max): 3.7ns
• Word Size: 36b
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: BGA
• Clock Freq (max): 166MHz
• Supply Current: 150mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 256
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72P51749L6BB

IDT72P51749/72P51759/72P51769 1.8V, MULTI-QUEUE FLOW-CONTROL DEVICES
(128 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648, 2,359,296, and 4,718,592
bits
Read Queue UN-MARK
Write Queue UN-MARK
1
1
A
1
1
RCLK
RADEN
Figure 18. UN-MARKing a Queue in Packet Mode - Read Queue UN-MARK
A
Figure 17. UN-MARKing a Queue in Packet Mode - Write Queue UN-MARK
WCLK
WADEN
RADEN
WADEN
B
1
0
B
1
0
Read Queue
Select Cycle
Write Queue
Select Cycle
A
A
WCLK is the start
This rising edge of
of the 1
RCLK is the start
This rising edge of
of the 1
Selects a Queue and MARK the Queue
Selects a Queue and Remove MARK
Selects a Queue and MARK the Queue
Selects a Queue & Remove MARK
st
35
st
cycle.
cycle.
Write Queue
MARK Cycle
Read Queue
MARK Cycle
B
B
ACTI ON
ACTI ON
COMMERCIAL AND INDUSTRIAL
6714 drw33
6714 drw34
TEMPERATURE RANGES
SEPTEMBER 27, 2004