IDT77V1253L25PGI IDT, Integrated Device Technology Inc, IDT77V1253L25PGI Datasheet - Page 37

• 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
UTOPIA LEVEL 1 BUS TIMING PARAMETERS
RxDATA[15:0],
t31
t32
t33
t34
t35
t36
t37
t39
t40
t41
t42
t43
t44
t45
t46
t47
RxADDR[4:0]
Symbol
RxPARITY
RxCLAV
RxSOC
RxCLK
RxEN
RxCLK Frequency
RxCLK Duty Cycle (% of t39)
RxCLK to RxCLAV[2:0] Invalid (min) and Valid (max)
RxCLK to RxSOC High-Z
RxCLK to RxSOC Low-Z (min) and Valid (max)
RxCLK to RxDATA, RxPARITY High-Z
RxCLK to RxDATA, RxPARITY Low-Z (min) and Valid (max)
TxCLK Frequency
TxCLK Duty Cycle (% of t31)
TxDATA[7:0], TxPARITY Setup Time to TxCLK
TxDATA[7:0], TxPARITY Hold Time to TxCLK
TxSOC, TxEN[2:0] Setup Time to TxCLK
TxSOC, TxEN[2:0] Hold Time to TxCLK
TxCLK to TxCLAV[2:0] Invalid (min) and Valid (max)
RxEN[2:0] Setup Time to RxCLK
RxEN[2:0] Hold Time to RxCLK
High-Z
High-Z
High-Z
t
t
14
16
t
t
17
t
15
t
21
23
Figure 37. UTOPIA Level 2 Receive
Parameter
t
t
21
t
18
23
37
High-Z
t
19
t
t
20
22
t
12
High-Z
High-Z
t
t
13
19
Min.
0.2
0.2
40
40
7
2
7
2
2
7
2
2
2
2
2
2
Max.
____
____
____
____
____
____
50
60
14
50
60
14
10
14
10
14
IDT77V1253
4781 tbl 32
4781 drw 38
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
%
%
ns
ns
ns
ns