KS8997 Micrel Inc, KS8997 Datasheet - Page 31

• Manufacturer Part Number: KS8997
• Description: IC SWITCH 10/100 8PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8997

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Fiber Support: No
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Absolute Maximum Ratings
Supply Voltage
Input Voltage ............................................. –0.5V to +4.0V
Output Voltage .......................................... –0.5V to +4.0V
Lead Temperature (soldering, 10 sec) .................... 270°C
Storage Temperature (T
Electrical Characteristics
V
February 2007
Symbol
V
100BaseTX Operation
I
I
I
10BaseTX Operation—All Ports 100% Utilization
I
I
I
TTL Inputs
V
V
I
TTL Outputs
V
V
|I
100BaseTX Transmit (measured differentially after 1:1 transformer)
V
V
t
DD
(VDD_RX, VDD_TX, VDD_RCV,
(VDDIO) ................................................. –0.5V to +3.8V
DX
DA
DD
DX
DDC
DDIO
IN
r
OZ
, t
DD
IH
IL
OH
OL
O
IMB
VDD, VDD_PLLTX).............................. –0.5V to +2.3V
t
= 2.0V to 2.3V; T
|
Parameter
Supply Voltage
100BaseTX (Total)
100BaseTX (Transmitter)
100BaseTX (Analog)
100BaseTX (Digital)
10BaseTX (Total)
10BaseTX (Transmitter)
10BaseTX (Analog)
10BaseTX (Digital)
Input High Voltage
Input Low Voltage
Input Current
Output High Voltage
Output Low Voltage
Output Tri-State Leakage
Peak Differential Output Voltage
Output Voltage Imbalance
Rise/Fall Time
Rise/Fall Time Imbalance
A
= 0°C to +70°C; unless noted.
S
)...................... –55°C to +150°C
(4)
(1)
Condition
V
I
I
50Ω from each output to V
50Ω from each output to V
OH
OL
IN
= 4mA
= GND ~ V
= –4mA
31
Operating Ratings
Supply Voltage
Ambient Temperature (TA) ........................ –0°C to +70°C
Package Thermal Resistance
(VDD_RX, VDD_TX, VDD_RCV, VDD,
(VDDIO) .....................+2.0V to +2.3V or +3.0V to +3.6V
PQFP (θ
VDD_PLLTX) .......................................+2.0V to +2.3V
DD
JA
) No Air Flow ................................ 42.91°C/W
DD
DD
(1/2 V
V
DDIO
+0.4v
2.00
0.95
Min
–10
3
0
DDIO
–0.4
(2)
(3)
)
2.10
0.61
0.35
0.18
0.08
0.90
0.72
0.11
0.07
Typ
M9999-022807-1.1
V
Max
2.30
–0.4
1.05
(1/2
DDIO
0.4
0.5
10
10
2
5
)
Units
µA
µA
ns
ns
%
V
A
A
A
A
A
A
A
A
V
V
V
V
V