IDT77V1254L25PG IDT, Integrated Device Technology Inc, IDT77V1254L25PG Datasheet - Page 41
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IDT77V1254L25PG
Manufacturer Part Number
IDT77V1254L25PG
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.IDT77V1254L25PG.pdf
(48 pages)
Specifications of IDT77V1254L25PG
Data Rate
25.6/51.2Mbps
Number Of Channels
4
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
0C to 70C
Operating Temperature Classification
Commercial
Pin Count
144
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT77V1254L25PGI
Manufacturer:
IDT
Quantity:
28
Company:
Part Number:
IDT77V1254L25PGI
Manufacturer:
IDT
Quantity:
621
UTOPIA Level 1 Bus Timing Parameters
IDT77V1254L25
RXDATA[15:0],
RXADDR[4:0]
TXDATA[15:0],
TXADDR[4:0]
RXPARITY
TXPARITY
RXCLAV
RXCLK
RXSOC
TXCLAV
TXCLK
TXSOC
RXEN
TXEN
t31
t32
t33
t34
t35
t36
t37
t39
t40
t41
Symbol
High-Z
High-Z
High-Z
High-Z
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[3:0] Setup Time to TXCLK
TXSOC, TXEN[3:0] Hold Time to TXCLK
TXCLK to TXCLAV[3:0] Invalid (min) and Valid (max)
RXCLK Frequency
RXCLK Duty Cycle (% of t39)
RXEN[3:0] Setup Time to RXCLK
t
t
14
16
t
t
5
7
t
3
Octet 1
t
t
t
15
17
t
t
t
21
23
6
8
t
4
Figure 37 UTOPIA Level 2 Transmit
Figure 38 UTOPIA Level 2 Receive
Parameter
Octet 2
t
t
t
21
t
18
9
23
41 of 48
High-Z
High-Z
t
t
10
19
t
t
20
22
0.2
40
4
1.5
4
1.5
2
0.2
40
4
t
1
t
12
Min.
High-Z
High-Z
t
t
10
2
t
t
50
60
—
—
—
—
10
50
60
—
13
19
Max.
MHz
%
ns
ns
ns
MHz
%
ns
ns
ns
Unit
December 2004
3505 drw 37
3505 drw 38
.