IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 26

• 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
P_TCLK
P_TFRM
P_TD(3:0)
P_TCLK
P_TFRM
P_TD(3:0)
(out)
(in)
(out)
(in)
(in)
(in)
Nibble 104
Cell 1
Nibble 104
Cell 1
Nibble 105
Cell 1
Nibble 105
Cell 1
Figure 29. DPI Transmit Handshake - 77V1254 Transmit FIFO Full
Figure 30. DPI Transmit Handshake - Neither Device Ready
77V1253 Not Ready
ATM Layer Device Not Ready
X
Nibble 0
Cell 2
X
X
26
X
Nibble 1
Cell 2
Nibble 0
Cell 2
Nibble 2
Cell 2
Nibble 3
Cell 2
Nibble 1
Cell 2
Nibble 4
Nibble 2
Cell 2
Cell 2
IDT77V1253
4781 drw 30
4781 drw 31