KS8721BT Micrel Inc, KS8721BT Datasheet - Page 27

• Manufacturer Part Number: KS8721BT
• Description: IC TXRX PHY 10/100 TX/FX 48TQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KS8721BT

• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 2.375 V ~ 2.625 V
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• For Use With: 576-1009 - BOARD EVAL EXPERIMENT KS8721BT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Symbol
Symbol
t
t
t
t
t
March 2006
BTB
FLPW
PW
CTD
CTC
Parameter
Parameter
FLP Burst to FLP Burst
FLP Burst to FLP Burst
FLP Burst to FLP Burst
FLP Burst to FLP Burst
FLP Burst to FLP Burst
FLP Burst to FLP Burst
FLP Burst Width
FLP Burst Width
FLP Burst Width
FLP Burst Width
FLP Burst Width
FLP Burst Width
Clock/Data Pulse Width
Clock/Data Pulse Width
Clock/Data Pulse Width
Clock/Data Pulse Width
Clock/Data Pulse Width
Clock/Data Pulse Width
Clock Pulse to Data Pulse
Clock Pulse to Data Pulse
Clock Pulse to Data Pulse
Clock Pulse to Data Pulse
Clock Pulse to Data Pulse
Clock Pulse to Data Pulse
Clock Pulse to Clock Pulse
Clock Pulse to Clock Pulse
Clock Pulse to Clock Pulse
Clock Pulse to Clock Pulse
Clock Pulse to Clock Pulse
Clock Pulse to Clock Pulse
Number of Clock/Data Pulses per Burst
Number of Clock/Data Pulses per Burst
Number of Clock/Data Pulses per Burst
Number of Clock/Data Pulses per Burst
Number of Clock/Data Pulses per Burst
Number of Clock/Data Pulses per Burst
TX+/TX-
TX+/TX-
Figure 7. Auto-Negotiation/Fast Link Pulse Timing
Table 5. Auto-Negotiation/Fast Link Pulse Timing
Clock
Pulse
FLP
Burst
t
t
PW
FLPW
t
CTD
t
B TB
27
Data
Puls e
t
PW
t
CTC
FLP
Burst
Clock
Pulse
Min
Min
Min
Min
Data
Pulse
17
17
17
17
17
17
8
8
8
8
8
8
Typ
Typ
Typ
Typ
100
100
100
100
100
100
136
136
136
136
136
136
16
16
16
16
16
16
69
69
69
69
69
69
2
2
2
2
2
2
Max
Max
Max
Max
24
24
24
24
24
24
33
33
33
33
33
33
M9999-030106
Units
Units
Units
Units
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ns
ns
ns
ns
ns
ns
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs