LAN7500-ABZJ SMSC, LAN7500-ABZJ Datasheet - Page 49
LAN7500-ABZJ
Manufacturer Part Number
LAN7500-ABZJ
Description
IC USB-10/100/1K ETH CTRL 56QFN
Manufacturer
SMSC
Specifications of LAN7500-ABZJ
Mfg Application Notes
LAN7500 Schematic
Design Resources
LAN7500 BOM
Controller Type
Ethernet Controller, USB 2.0 to 10/100/1K
Interface
USB/Serial
Voltage - Supply
1.2V, 2.5V, 3.3V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-VFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Supply
-
Other names
638-1108
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN7500-ABZJ
Manufacturer:
Standard
Quantity:
1 798
Company:
Part Number:
LAN7500-ABZJ-TR
Manufacturer:
CORTINA
Quantity:
2
Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
Datasheet
SMSC LAN7500/LAN7500i
7.5.3
Power Supplies
SYMBOL
t
t
purstd
purstv
t
All External
rstia
nRESET
Power-On Reset Timing
Figure 7.3
(nRESET assertion) is required following power-on. For proper operation, nRESET must be asserted
for no less than t
t
Note: nRESET deassertion must be monotonic.
purstd
External power supplies at operational level to nRESET
deassertion
External power supplies at at operational level to
nRESET valid
nRESET input assertion time
after all external power supplies have reached operational levels.
illustrates the nRESET timing requirements in relation to power-on. A hardware reset
V
opp
rstia
. The nRESET pin can be asserted at any time, but must not be deasserted before
Table 7.16 nRESET Power-On Timing Values
DESCRIPTION
Figure 7.3 nRESET Power-On Timing
t
purstv
DATASHEET
t
49
purstd
t
rstia
MIN
100
25
0
TYP
Revision 1.0 (11-01-10)
MAX
UNITS
mS
nS
μS