IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 39

• 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
DPI BUS TIMING PARAMETERS
t51
t52
t53
t54
t55
t56
t57
t61
t62
t63
t64
t65
Pn_RD[3:0]
Pn_TD[3:0]
Pn_RFRM
Pn_RCLK
Pn_TFRM
Pn_TCLK
Symbol
DPICLK
DPICLK Frequency
DPICLK Duty Cycle (% of t31)
DPICLK to Pn_TCLK Propagation Delay
Pn_TFRM Setup Time to Pn_TCLK
Pn_TFRM Hold Time to Pn_TCLK
Pn_TD[3:0] Setup Time to Pn_TCLK
Pn_TD[3:0] Hold Time to Pn_TCLK
Pn_RCLK Period
Pn_RCLK High Time
Pn_RCLK Low Time
Pn_RCLK to Pn_RFRM Invalid (min) and Valid (max)
Pn_RCLK to Pn_RD Invalid (min) and Valid (max)
t
53
t
61
t
54
t
51
t
t
t
55
64
62
Parameter
Figure 41. DPI Receive
Figure 40. DPI Transmit
t
t
63
56
t
52
39
t
t
57
65
Min.
0.2
40
25
10
10
11
11
2
2
2
1
1
Max.
____
____
____
____
____
____
____
50
60
14
12
12
4781 drw 42
4781 drw 41
IDT77V1253
4781 tbl 33
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%