IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 18

• 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
polling:
TxCLK
TxADDR[4:0]
TxCLAV
TxEN
TxData[15:0],
TxPARITY
TxSOC
cell transmission to:
RxCLK
RxADDR[4:0]
RxCLAV
RxEN
RxData[15:0],
RxPARITY
RxSOC
polling:
cell transmission to:
P25, 26
P39, 40
N+3
1F
N+1
PHY M
Figure 10. Utopia 2 Transmit Handshake - Transmission Suspended
P27, 28
P41, 42
High-Z
N+3
1F
Figure 11. Utopia 2 Receive Handshake - Back to Back Cells
N+3
polling
polling
PHY N
P29, 30
P43, 44
N+2
1F
N+3
P45, 46
N+2
1F
N+2
18
High-Z
High-Z
P47, 48
selection
High-Z
N+3
1F
N+2
selection
High-Z
High-Z
1F
M
N+3
polling
P31, 32
H1, 2
N
1F
M
PHY N+3
polling
PHY M
P33, 34
H3, 4
1F
N
N
H5, undefined
P35, 36
N+1
1F
N
IDT77V1253
4781 drw 12
4781 drw 11
P1, 2
1F