lan9221 Standard Microsystems Corp., lan9221 Datasheet - Page 143

• Manufacturer Part Number: lan9221
• Description: High-performance 16-bit Non-pci 10/100 Ethernet Controller With Variable Voltage I/o
• Manufacturer: Standard Microsystems Corp.

High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
SMSC LAN9221/LAN9221i
7.6
VIS Type Input Buffer
Low Input Level
High Input Level
Negative-Going Threshold
Positive-Going Threshold
Schmitt Trigger Hysteresis
(V
Input Leakage
(V
Input Leakage
(V
Input Capacitance
VO12 Type Buffer
Low Output Level
High Output Level
VOD12 Type Buffer
Low Output Level
VOD8 Type Buffer
Low Output Level
VO8 Type Buffer
Low Output Level
High Output Level
ICLK Input Buffer
Low Input Level
High Input Level
IHT -
IN
IN
= VSS or VDDVARIO)
= 5.5V)
PARAMETER
V
ILT
)
This section details the DC electrical specifications of the LAN9221/LAN9221i I/O buffers. The
electrical specifications in this section are valid over the indicated voltage range and the temperature
range specified in
Note: When operating at reduced VDDVARIO voltage levels (less than 3.0V), do not rely on internal
DC Electrical Specifications
pull-up and pull-down resistors to determine signal state. Refer to the individual signal
descriptions in
Table 7.6 I/O Buffer Characteristics VDDVARIO=3.3V +/- 300mV
SYMBOL
Section 7.2, "Operating
V
V
V
V
V
V
V
V
V
V
V
V
V
C
IHCK
I
I
ILCK
HYS
IHT
IH
IH
OH
OH
ILT
OL
OL
OL
OL
IHI
ILI
IN
Chapter 2, Pin Description and Configuration
VDDVARIO - 0.4
VDDVARIO - 0.4
MIN
1.01
1.40
-0.3
-0.3
350
-10
1.4
DATASHEET
143
Conditions**".
TYP
1.18
1.61
423
MAX
1.35
1.81
492
+10
120
5.5
2.5
0.4
0.4
0.4
0.4
0.5
3.6
for more information.
UNITS
mV
uA
uA
pF
V
V
V
V
V
V
V
V
V
V
V
V
Note
Schmitt Trigger
Schmitt Trigger
Revision 2.6 (12-04-08)
I
I
I
OH
I
OL
OL
I
I
OH
OL
OL
Note 7.8
NOTES
7.8,
= -12mA
= 12mA
= 12mA
= -8mA
= 8mA
= 8mA
Note 7.9