KS8993F A5 Micrel Inc, KS8993F A5 Datasheet - Page 28

• Manufacturer Part Number: KS8993F A5
• Manufacturer: Micrel Inc

Specifications of KS8993F A5

• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 1.8/2.5/3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII/SNI
• 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): 1.89/3.465V
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Not Compliant

KS8993F
A “Crossover Cable” connects a MDI device to another MDI device, or a MDI-X device to another MDI-X device. The
following diagram depicts a typical “Crossover Cable” connection between two switches, or hubs (two MDI-X devices).
August 26, 2004
1 0 / 1 0 0 E t h e r n e t
M e d ia D e p e n d e n t I n t e r f a c e
M o d u la r C o n n e c t o r ( R J 4 5 )
1 0 / 1 0 0 E t h e r n e t
M e d ia D e p e n d e n t I n t e r f a c e
T r a n s m it P a ir
R e c e iv e P a ir
T r a n s m it P a ir
R e c e iv e P a ir
M o d u la r C o n n e c t o r
( R e p e a t e r o r S w it c h )
( R J 4 5 )
N I C
H U B
Figure 2: Typical Crossover Cable Connection
Figure 1: Typical Straight Cable Connection
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
C r o s s o v e r
S t r a i g h t
C a b l e
C a b l e
- 28 -
1 0 / 1 0 0 E t h e r n e t
M e d ia D e p e n d e n t I n t e r f a c e
( R e p e a t e r o r S w it c h )
1 0 / 1 0 0 E t h e r n e t
M e d ia D e p e n d e n t I n t e r f a c e
M o d u la r C o n n e c t o r ( R J 4 5 )
M o d u la r C o n n e c t o r
1
2
3
4
5
6
7
8
( R e p e a t e r o r S w it c h )
1
2
3
4
5
6
7
8
( R J 4 5 )
H U B
T r a n s m it P a ir
R e c e iv e P a ir
T r a n s m it P a ir
R e c e iv e P a ir
H U B
Revision 1.0
Micrel