IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 19

• 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
RxCLK
RxADDR[4:0]
RxCLAV
RxEN
RxData[15:0],
RxPARITY
RxSOC
RxCLK
RxADDR[4:0]
RxCLAV
RxEN
RxData[15:0],
RxPARITY
RxSOC
polling:
cell transmission to:
polling:
cell transmission from:
P45, 46
P25, 26
N+3
N+3
PHY N+3
polling
P47, 48
Figure 13. Utopia 2 Receive Handshake - Suspended Transfer of Data
PHY M
P27, 28
1F
N+3
polling
Figure 12. Utopia 2 Receive Handshake - Delay Between Cells
1F
N+3
High-Z
N+2
P29, 30
undefined
High-Z
N+2
1F
N+2
1F
N+2
19
N+1
High-Z
High-Z
re-selection
M
High-Z
High-Z
1F
N+1
1F
selection
M
N+1
P31, 32
N+1
1F
N+1
polling
PHY M
P33, 34
H1, 2
1F
N+1
N
polling
PHY N+1
P35, 36
H3, 4
N+2
1F
IDT77V1253
4781 drw 14
4781 drw 13