VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
2.48832Gb/s 16:1 SONET/SDH
Transceiver with Integrated Clock Generator
VSC8140
Figure 24: Parametric Measurement Information
Parametric Test Load Circuit
PECL Rise and Fall Time
Serial Output Load
80%
20%
Z0 = 50Ω
50Ω
Tr
Tf
VCC-2V
Absolute Maximum Ratings (1)
Power Supply Voltage (V )...........................................................................................................-0.5V to +3.8V
CC
DC Input Voltage (differential inputs).....................................................................................-0.5V to V +0.5V
CC
DC Input Voltage (TTL inputs) .......................................................................................................-0.5V to +5.5V
DC Output Voltage (TTL outputs) .........................................................................................-0.5V to V + 0.5V
CC
Output Current (TTL outputs).................................................................................................................. +/-50mA
Output Current (differential outputs).........................................................................................................+/-50mA
o
o
Case Temperature Under Bias......................................................................................................-55 C to +125 C
Recommended Operating Conditions
Power Supply Voltage (V )..................................................................................................................+3.3V+5%
CC
o
o
Operating Temperature Range ...........................................................0 C Ambient to +110 C Case Temperature
NOTE: (1) CAUTION: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without caus-
ing permanent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended
periods may affect device reliability.
ESD Ratings
Proper ESD procedures should be used when handling this product. The VSC8140 is rated to the following
ESD voltages based on the human body model:
1. All pins are rated at or above 1500V.
Page 18
VITESSE SEMICONDUCTOR CORPORATION
G52251-0, Rev. 4.0
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
9/6/00
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
