IDT72P51749L6BB IDT, Integrated Device Technology Inc, IDT72P51749L6BB Datasheet - Page 50

• 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

NOTES:
1. In a 18bit word to 36 bit word configuration two (2) eighteen bit words are concatenated to form one x36
bit word.
2. The x36 bit words contain demarcation bits as follows;
NOTES:
1. An SOP and EOP may not occur within a same word.
2. The x18 bit words contain the demarcation bits as follows;
3. In this configuration there is no ASOP or AEOP demarcation bits.
NOTES:
1. In a 18 bit word to 9 bit word configuration a single eighteen bit word is converted into two (2) nine bit words.
2. The x9 bit words contain demarcation bits as follows;
3. An SOP and EOP may not occur within the same word.
4. In this configuration there is no ASOP or AEOP demarcation bits.
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
a. Bit 17 is the End of Packet (EOP).
b. Bit 16 is the Start of Packet (SOP).
a. Bit 17 is End of Packet (EOP)
b. Bit 16 is Start of Packet (SOP).
a. Bit 35 is End of Packet (EOP)
b. Bit 34 is Start of Packet (SOP).
c. Bit 33 Almost End of Packet (AEOP).
d. Bit 32 Almost Start of Packet (ASOP).
35 34 33 32
17
16
Figure 30. 18bit to 36bit word configuration
Figure 31. 18bit to 18bit word configuration
Figure 32. 18bit to 9bit word configuration
A
B
2
nd
8
17
17
<15:0>, 1
50
<7:0>
<15:8>
st
<15:0>
6714 drw24a
0
9
6714 drw24
0
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
SEPTEMBER 27, 2004
6714 drw23
0