KS8842-32MQL Micrel Inc, KS8842-32MQL Datasheet - Page 123

• Manufacturer Part Number: KS8842-32MQL
• Description: IC SWITCH 10/100 32BIT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8842-32MQL

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 2
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• 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 Supply Voltage (max): 3.5V
• Operating Supply Voltage (min): 3.1V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: KS8842-PMQL-EVAL - EVAL KIT EXPERIMENTAL KS8842KS8842-16MQL-EVAL - EVAL KIT EXPERIMENTAL KS8842
• Lead Free Status / RoHS Status: Not Compliant, Lead free / RoHS Compliant
• Other names: 576-1459

Electrical Characteristics
Micrel, Inc.
October 2007
Parameter
Supply Current for 100BASE-TX Operation
100BASE-TX
(analog core + PLL + digital core +
transceiver + digital I/O)
Supply Current for 10BASE-T Operation
10BASE-T
(analog core + PLL + digital core +
transceiver + digital I/O)
TTL Inputs
Input High Voltage
Input Low Voltage
Input Current
Output High Voltage
Output Low Voltage
Output Tri-state Leakage
100Base-TX Transmit (measured differentially after 1:1 transformer)
Peak Differential Output Voltage
Output Voltage Imbalance
Rise/Fall Time
Rise/Fall Time Imbalance
Duty Cycle Distortion
Overshoot
Reference Voltage of ISET
Output Jitter
10Base-T Receive
Squelch Threshold
10Base-T Transmit (measured differentially after 1:1 transformer)
Peak Differential Output Voltage
Output Jitter
Notes:
1. TA = 25°C, specification for packaged product only.
2. A single port’s transformer consumes an additional 45mA at 3.3V for 100BASE-T and 70mA at 3.3V for 10BASE-T.
(1)
Symbol
I
I
V
V
I
V
V
|I
V
V
T
V
V
V
Table 23. Electrical Characteristics
ddxio
ddxio
in
(2)
oz
r
ih
il
oh
ol
o
imb
set
sq
o
/T
|
(All Ports@100% Utilization)
(2)
f
(All Ports@100% Utilization)
VDDATX, VDDARX, VDDIO = 3.3V;
Chip only (no transformer)
VDDATX, VDDARX, VDDIO = 3.3V;
Chip only (no transformer)
V
I
I
100Ω termination on the differential
output.
100Ω termination on the differential
output
5MHz square wave
100Ω termination on the differential
output
Condition
Peak to peak
Peak to peak
TTL Outputs
oh
ol
in
123
= 8 mA
= -8 mA
= GND ~ VDDIO
KSZ8842-16/32 MQL/MVL/MVLI/MBL
+0.95V
-10µA
2.0V
2.4V
Min
3ns
0ns
122mA
400mV
90mA
0.7ns
1.8ns
0.5V
2.4V
Typ
M9999-102207-1.9
+1.05V
0.25ns
0.5ns
1.4ns
3.5ns
10µA
10µA
0.8V
0.4V
Max
5ns
2%
5%
+