LAN88710BMR SMSC, LAN88710BMR Datasheet - Page 71

• Manufacturer Part Number: LAN88710BMR
• Description: Ethernet ICs MII/RMII 10/100 Automot Transceiver
• Manufacturer: SMSC

Specifications of LAN88710BMR

• Ethernet Connection Type: 10BASE-T, 100BASE-TX
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Product: Ethernet Transceivers
• Standard Supported: IEEE802.3, IEEE802.3u
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.6 V
• Maximum Operating Temperature: + 105 C
• Package / Case: QFN-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Small Footprint MII/RMII 10/100 Ethernet Transceiver for Automotive Applications
Datasheet
SMSC LAN88710AM/LAN88710BM
5.6.2
SYMBOL
t
t
pon
poff
Power Sequence Timing
This diagram illustrates the device power sequencing requirements. The VDDIO, VDD1A, VDD2A and
magnetics power supplies can turn on in any order provided; they all reach operational levels within
the specified time period t
0 V within the specified time period t
Note: When the internal regulator is disabled, a power-up sequencing relationship exists between
Magnetics
Power supply turn on time
Power supply turn off time
VDD1A,
VDD2A
VDDIO
Power
VDDCR and the 3.3 V power supply. For additional information refer to
"REGOFF: Internal +1.2 V Regulator Configuration," on page
Table 5.7 Power Sequence Timing Values
DESCRIPTION
Figure 5.2 Power Sequence Timing
pon
t
. Device power supplies can turn off in any order provided; they all reach
pon
DATASHEET
poff
.
71
MIN
t
poff
39.
TYP
Revision 1.1 (05-26-10)
MAX
500
50
Section 3.7.4,
UNITS
ms
ms