IDT77V1254L25PGI IDT, Integrated Device Technology Inc, IDT77V1254L25PGI Datasheet - Page 19

• 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:
TXCLK
TXADDR[4:0]
TXCLAV
TXEN
TXData[15:0],
TXPARITY
TXSOC
cell transmission to:
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:
P25, 26
P39, 40
P43, 44
1F
1F
1F
N+1
N+1
N+1
PHY N
Figure 11 Utopia 2 Transmit Handshake - Transmission Suspended
PHY M
P41, 42
P45, 46
P27, 28
Figure 10 Utopia 2 Transmit Handshake - Delay Between Cells
High-Z
High-Z
Figure 9 Utopia 2 Transmit Handshake - Back to Back Cells
High-Z
N+3
N+3
N+3
polling
PHY N
polling
polling
P43, 44
P47, 48
P29, 30
1F
1F
1F
N+3
N+3
N+3
P45, 46
N+2
N+2
N+2
19 of 48
High-Z
High-Z
P47, 48
1F
1F
N+2
1F
N+2
N+2
selection
selection
selection
N+3
N+3
M
H1, 2
H1, 2
P31, 32
1F
1F
N+3
N+3
1F
M
polling
PHY N+3
polling
PHY N+3
polling
PHY M
H3, 4
H3, 4
P33, 34
N
N
N
H5, undefined
H5, undefined
P35, 36
1F
1F
N
N
1F
N
3505 drw 09
3505 drw 10
P1, 2
3505 drw 11
P1, 2
December 2004
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