IDT77V1254L25PGI IDT, Integrated Device Technology Inc, IDT77V1254L25PGI Datasheet - Page 20

• Manufacturer Part Number: IDT77V1254L25PGI
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT77V1254L25PGI

• Data Rate: 25.6/51.2Mbps
• Number Of Channels: 4
• 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

IDT77V1254L25
polling:
RXCLK
RXADDR[4:0]
RXCLAV
RXEN
RXData[15:0],
RXPARITY
RXSOC
cell transmission to:
RXCLK
RXADDR[4:0]
RXCLAV
RXEN
RXData[15:0],
RXPARITY
RXSOC
polling:
cell transmission to:
P45, 46
N+3
P39, 40
PHY N+3
N+3
P47, 48
1F
Figure 13 Utopia 2 Receive Handshake - Delay Between Cells
P41, 42
Figure 12 Utopia 2 Receive Handshake - Back to Back Cells
N+3
polling
1F
N+3
polling
PHY N
High-Z
N+2
P43, 44
undefined
N+2
1F
N+2
P45, 46
20 of 48
1F
N+2
N+1
P47, 48
selection
High-Z
N+3
High-Z
High-Z
1F
N+1
High-Z
High-Z
1F
N+3
selection
N+1
polling
H1, 2
N
1F
N+1
PHY N+3
H3, 4
H1, 2
1F
N
N
polling
PHY N+1
H5, undefined
H3, 4
N+1
1F
3505 drw 12
3505 drw 13
P1, 2
1F
December 2004
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