IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 17

• Manufacturer Part Number: IDT77V1253L25PGI
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT77V1253L25PGI

• Data Rate: 25.6/51.2Mbps
• Number Of Channels: 3
• Type Of Atm Phy Interface: DPI/UTOPIA
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Pin Count: 144
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

TRIPLE PORT PHY (PHYSICAL LAYER) FOR 25.6
AND 51.2 MBPS ATM NETWORKS
TxCLK
TxADDR[4:0]
TxCLAV
TxEN
TxData[15:0],
TxPARITY
TxSOC
polling:
cell transmission to:
polling:
TxCLK
TxADDR[4:0]
TxCLAV
TxEN
TxData[15:0],
TxPARITY
TxSOC
cell transmission to:
P43, 44
P39, 40
1F
1F
N+1
N+1
PHY N
P45, 46
P41, 42
High-Z
High-Z
N+3
N+3
Figure 9. Utopia 2 Transmit Handshake - Delay Between Cells
Figure 8. Utopia 2 Transmit Handshake - Back to Back Cells
polling
polling
PHY N
P47, 48
P43, 44
1F
1F
N+3
N+3
P45, 46
N+2
N+2
17
P47, 48
1F
1F
N+2
N+2
selection
selection
N+3
N+3
H1, 2
H1, 2
1F
1F
N+3
N+3
polling
PHY N+3
polling
PHY N+3
H3, 4
H3, 4
N
N
H5, undefined
H5, undefined
1F
1F
N
N
IDT77V1253
4781 drw 09
4781 drw 10
P1, 2
P1, 2