IDT77V1254L25PGI IDT, Integrated Device Technology Inc, IDT77V1254L25PGI Datasheet - Page 18

• 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
RXRefSel[1:0]
RXRef#2
(X_8 received)
RXRef#0
(X_8 received)
RXRef#1
(X_8 received)
RXRef#3
(X_8 received)
Figure 8 Utopia 1 Data Format and Sequence
Figure 7 RXREF and TXREF Block Diagram
Last
First
RXRef
Select
Decoder
RXRef Output
Bit 7
Payload byte 46
Payload byte 47
Payload byte 48
Payload byte 1
Payload byte 2
Payload byte 3
Header byte 1
Header byte 2
Header byte 3
Header byte 4
Header byte 5
18 of 48
TXRef Input
Bit 0
Mux
Mux
Mux
Mux
3505 drw 15
IDT77V1254L25
.
IDT77V1254
LTSel#0
LTSel#1
LTSel#3
LTSel#2
( Reg 40, Bit 0)
( Reg 40, Bit 1)
( Reg 40, Bit 2)
( Reg 40, Bit 3)
TXRef#2
(X_8 generator)
TXRef#0
(X_8 generator)
TXRef#1
(X_8 generator)
TXRef#3
(X_8 generator)
3505 drw 0
.
December 2004