IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 25

• 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_RCLK
P_RFRM
P_TCLK
P_TFRM
P_TD(3:0)
P_RD(3:0)
P_TD(3:0)
(in)
(out)
(out)
(out)
(in)
(in)
(out)
(in)
(in)
Nibble 104
Cell 1
X
X
Figure 28. DPI Transmit Handshake - Back-to-Back Cells for Transmission
Nibble 105
Cell 1
Figure 27. DPI Transmit Handshake - One Cell for Transmission
X
X
Figure 26. DPI Receive Handshake - Neither Device Ready
ATM Layer Device Not Ready
77V1253 Not Ready
X
Nibble 0
Nibble 0
Cell 1
Cell 1
X
Nibble 1
Nibble 1
Cell 1
Cell 1
25
X
Cell 1
X
Nibble 104
Nibble 104
Cell 1
Cell 1
Nibble 0
Cell 2
Nibble 105
Nibble 105
Cell 1
Cell 1
Nibble 0
Cell 2
Nibble 1
Cell 2
X
Nibble 1
Nibble 2
Cell 2
Cell 2
X
IDT77V1253
4781 drw 27
4781 drw 29
4781 drw 28