VITESSE
SEMICONDUCTOR CORPORATION
3.2Gb/s
68x68 Crosspoint Switch
Preliminary Data Sheet
VSC837
Signal Name
OUTCHAN14
OUTCHAN15
OUTCHAN16
OUTCHAN17
OUTCHAN18
SDOUT
SERIAL
TERM_CTRL
Power Supplies
VEE
VEE
VEE
VEE
VEE
VEE
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
Pin
C24
F29
F28
F25
F26
AG6
AE6
AD5
C23
C7
R3
AG7
AG23
R27
A1
A2
A3
A4
A5
A25
A26
A27
A28
A29
AE1
AE2
AE25
AE26
AE27
AE28
AE29
AE3
AE4
AE5
AF1
AF2
AF25
Function
Output Channel, Bit 14 (burst mode only)
Output Channel, Bit 15 (burst mode only)
Output Channel, Bit 16 (burst mode only)
Output Channel, Bit 17 (burst mode only)
Output Channel, Bit 18 (burst mode only)
Serial Data Out for Serial Mode and Scan
SERIAL = 1 Sets Serial Mode
Output Back-Termination Control (LOW = no back termination;
HIGH = 50Ω back-termination to VCC. See Table 9).
Common Negative Power Supply
Common Negative Power Supply
Common Negative Power Supply
Common Negative Power Supply
Common Negative Power Supply
Common Negative Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Positive Power Supply
Level
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
GND
GND
GND
GND
GND
GND
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
2.5V
Page 20
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52309-0, Rev 3.0
02/16/01