KSZ8721SL Micrel Inc, KSZ8721SL Datasheet - Page 26
![IC TXRX PHY 10/100 3.3V 48-SSOP](/photos/6/84/68448/576-48-ssop_sml.jpg)
KSZ8721SL
Manufacturer Part Number
KSZ8721SL
Description
IC TXRX PHY 10/100 3.3V 48-SSOP
Manufacturer
Micrel Inc
Type
Transceiverr
Datasheet
1.KSZ8721SL.pdf
(35 pages)
Specifications of KSZ8721SL
Number Of Drivers/receivers
1/1
Protocol
IEEE 802
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
48-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-1630 - BOARD EVALUATION FOR KSZ8721SL
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-1031-5
576-1512-5
576-1512-5
KSZ8721SL
576-1512-5
576-1512-5
KSZ8721SL
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8721SL
Manufacturer:
MICREL
Quantity:
21
Company:
Part Number:
KSZ8721SL
Manufacturer:
KENDIN
Quantity:
3
Part Number:
KSZ8721SL
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Company:
Part Number:
KSZ8721SL TR
Manufacturer:
Micrel
Quantity:
6 656
Micrel, Inc.
Timing Diagrams
Note:
1.
June 2009
Symbol
t
t
t
t
t
t
t
t
t
SU1
SU2
HD1
HD2
CRS1
CRS2
LAT
SQE
SQEP
1BT = 10ns at 10BASE-TX
Parameter
TXD [3:0] Set-Up to TXC High
TXEN Set-Up to TXC High
TXD [3:0] Hold After TXC High
TXEN Hold After TXC High
TXEN High to CRS Asserted Latency
TXEN Low to CRS De-Asserted Latency
TXEN High to TXP/TXM Output (TX Latency)
COL (SQE) Delay After TXEN De-Asserted
COL (SQE) Pulse Duration
Table 3. 10BASE-T MII Transmit Timing Parameters
Figure 4. 10BASE-T MII Transmit Timing
26
Min
10
10
0
0
Typ
2.5
1.0
4
8
4
M9999-062509-1.3
Max
KS8721BL/SL
Units
BT
BT
BT
ns
ns
ns
ns
µs
µs
(1)