IDT77V1254L25PG IDT, Integrated Device Technology Inc, IDT77V1254L25PG Datasheet - Page 12

• Manufacturer Part Number: IDT77V1254L25PG
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT77V1254L25PG

• 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: 0C to 70C
• Operating Temperature Classification: Commercial
• Pin Count: 144
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

IDT77V1254L25
RXCLAV[3:0]
RXDATA[7:0]
TXDATA[7:0]
TXCLAV[3:0]
Mode[1:0]
RXEN[3:0]
TXEN[3:0]
RXParity
TXParity
RXSOC
AD[7:0]
TXCLK
TXSOC
RXCLK
OSC
ALE
RST
INT
WR
RD
CS
Microprocessor
Multi-PHY
Interface
Interface
UTOPIA
Figure 2 Block Diagram for Utopia Level 1 Configuration (MODE[1:0] = 01)
RXRef
TXRef
TX/RX ATM
TX/RX ATM
TX/RX ATM
TX/RX ATM
Cell FIFO
Cell FIFO
Cell FIFO
Cell FIFO
RXLED[3:0] TXLED[3:0]
12 of 48
Descrambler
Descrambler
Descrambler
Descrambler
Scrambler/
Scrambler/
Scrambler/
Scrambler/
4
4
Encoding/
Encoding/
Encoding/
Encoding/
Decoding
Decoding
Decoding
Decoding
5B/4B
5B/4B
5B/4B
5B/4B
P/S and S/P
P/S and S/P
P/S and S/P
P/S and S/P
NRZI
NRZI
NRZI
NRZI
Clock Recovery
Clock Recovery
Clock Recovery
Clock Recovery
3505 drw 03
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
TX Port 0
RX Port 0
TX Port 1
RX Port 1
TX Port 2
RX Port 2
TX Port 3
RX Port 3
December 2004
.