Data Sheet
VSC8116
VITESSE
SEMICONDUCTOR CORPORATION
ATM/SONET/SDH 622/155Mb/s Transceiver
Mux/Demux with Integrated Clock Generation
AC Characteristics
Table 10: PECL and TTL Outputs
Parameters
TR,TTL
TF,TTL
TR,PECL
TF,PECL
Description
TTL Output Rise Time
TTL Output Fall Time
PECL Output Rise Time
PECL Output Fall Time
Min Typ Max Units
Conditions
—
2
—
ns 10-90%
—
1.5
—
ns 10-90%
—
350
—
—
350
—
ps 20-80%
ps 20-80%
DC Characteristics
Table 11: PECL and TTL Inputs and Outputs
Parameters
VOH
VOL
VOCM
∆VOUT75
∆VOUT50
VIH
VIL
∆VIN
VICM
VOH
VOL
Description
Output HIGH
voltage (PECL)
Output LOW
voltage (PECL)
O/P Common
Mode Range
(PECL)
Differential
Output Voltage
(PECL)
Differential
Output Voltage
(PECL)
Input HIGH
voltage (PECL)
Input LOW
voltage (PECL)
Differential Input
Voltage (PECL)
I/P Common
Mode Range
(PECL)
Output HIGH
voltage (TTL)
Output LOW
voltage (TTL)
Min
Typ
Max
Units
Conditions
—
—
VDDP – 0.9V
V—
0.7
—
—
V—
1.1
—
VDDP – 1.3V
V—
600
—
1300
mV 75Ω to VDDP – 2.0 V
600
—
1300
mV 50Ω to VDDP – 2.0 V
VDDP – 0.9V —
0
—
400
—
VDDP – 0.3V
VDDP – 1.72V
1600
V For single ended
V For single ended
mV —
1.5 – ∆VIN/2 — VDDP – 1.0 – ∆VIN/2
V
—
2.4
—
—
—
—
0.5
V IOH = -1.0 mA
V IOL = +1.0 mA
G52220-0, Rev 4.1
1/8/00
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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