LAN9221-ABZJ Standard Microsystems (SMSC), LAN9221-ABZJ Datasheet - Page 137

• Manufacturer Part Number: LAN9221-ABZJ
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9221-ABZJ

• Operating Supply Voltage (typ): 1.8/2.5/3.3V
• Operating Supply Voltage (min): 1.62V
• Operating Supply Voltage (max): 3.6V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 56
• Lead Free Status / RoHS Status: Compliant

High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
SMSC LAN9221/LAN9221i
6.9
t
t
PARAMETER
pon
poff
Figure 6.8
in any order provided they all reach operational levels within the specified time period t
power supplies can turn off in any order provided they all reach 0 volts within the specified time period
t
Note: Power must be applied and removed to all 3.3V power supply pins simultaneously (including
Note: Power must be applied and removed to all VDDVARIO power supply pins simultaneously.
Power Sequence Timing
poff
.
VDDVARIO
Power supply turn on time
Power supply turn off time
3.3V (All)
the Ethernet magnetics).
illustrates the device’s power sequencing requirements. Device power supplies can turn on
DESCRIPTION
Figure 6.8 Power Sequence Timing
Table 6.9 Power Sequence Timing
t
pon
DATASHEET
137
MIN
TYP
MAX
500
50
t
poff
UNITS
ms
ms
Revision 2.7 (03-15-10)
NOTES
pon
. Device