IDT79RC32332 IDT [Integrated Device Technology], IDT79RC32332 Datasheet - Page 25

• Manufacturer Part Number: IDT79RC32332
• Description: IDT Interprise Integrated Communications Processor
• Manufacturer: IDT [Integrated Device Technology]

IDT 79RC32355
Ethernet
MIIRXCLKP, MIITXCLKP
MIIRXCLKP, MIITXCLKP
MIIRXDP[3:0],
MIIRXDVP, MIIRXERP
MIITXDP[3:0], MIITXENP,
MIITXERP
MIIMDCP
MIIMDIOP
1
2
Ethernet clock (MIIRXCLKP and MIITXCLKP) frequency must be equal to or less than 1/2 CLKP frequency.
MIICOLP and MIICRSP are asynchronous signals.
Signal
1,2
Thigh1,Tlow1
Thigh1,Tlow1
Thigh4,Tlow4
Trise1,Tfall1
Trise1,Tfall1
Symbol
Tperiod1
Tperiod1
Tperiod4
Trise4
Thld2
Tfall4
Thld5
Tsu2
Tdo3
Tsu5
Tdo5
Reference
MIIRXCLKP
MIITXCLKP
MIIMDCP
Edge
rising
rising
rising
none
none
none
Table 7 Ethernet AC Timing Characteristics
399.96 400.04 399.96 400.04 399.96 400.04
39.996 40.004 39.996 40.004 39.996 40.004
Min
140
133MHz
0.5
—
14
—
30
14
—
—
5
3
7
6
3
Max
260
26
13
—
—
11
25 of 47
—
—
—
—
3
2
8
7
Min
140
150MHz
0.5
14
27
13
—
—
—
—
5
3
7
6
3
Max
260
26
13
11
—
—
—
—
—
—
3
2
8
7
Min
140
180MHz
0.5
—
14
—
27
13
—
—
5
3
7
6
3
Max
260
26
13
11
—
—
—
—
—
—
3
2
8
7
Unit Conditions
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
10 Mbps
100 Mbps
Figure 13
May 25, 2004
Reference
Diagram
Timing