VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Datasheet
500 Mb/s Video
Shift Register IC
VSC6424
DC Characteristics
Table 7: ECL Inputs and Outputs
Parameter
Description
Min
Typ
Max
Units
Conditions
VOH
VOL
VIH
VIL
IIH
Output HIGH voltage
Output LOW voltage
Input HIGH voltage
Input LOW voltage
Input HIGH current
Input LOW current
-1020
-2000
-1165
-2000
-
-
-
-
-
-
-
-700
-1620
-700
-1475
200
mV
mV
mV
mV
µA
-
-
-
-
VIN=VIH (max)
VIN=VIL (min)
IIL
-50
-
µA
Notes: 1) Load=50Ω to -2.0V.
2) External Reference (Vref) = -1.32 V + 25mV
Table 8: TTL Inputs and Outputs
Parameters
VOH
Description
Min
Max
Units
Conditions
Output HIGH voltage
Output LOW voltage
Input HIGH voltage
Input LOW voltage
2.4
-
-
0.4
V
V
V
V
IOH = -12 mA
IOL = 12mA
VOL
VIH
VIL
2.0
0
VTTL + 1.0 V
0.8
-
-
Input HIGH current
Input LOW current
-
300
-
µA
µA
VIN = 2.4 V
VIN = 0.4 V
IIH
IIL
-50
3-State Output OFF
Current HIGH
IOZH
IOZL
IOZHB
IOH
-
200
-
µA
µA
µA
µA
VOUT = 2.4 V
VOUT = 0.4 V
VOUT = 2.4 V
VOUT = 2.4 V
3-State Output OFF
Current LOW
-100
3-State Output OFF
Current HIGH for Bi-directs
-
-
500
200
Open Collector Output
Leakage Current
Notes: 1) Outputs are open
Power Dissipation
Table 9: VSC6424 Power Supply Currents
Parameter
Description
(Max)
Units
ITT
ITTL
PD
Power supply current from VTT (-2.0 V+0.1V Max -2.1V)
Power supply current from VTTL (+3.3 V+0.3V Max +3.6V)
Power dissipation (Note: Specified with outputs open circuit.)
850
250
2.7
mA
mA
W
G52236-0, Rev 3.0
7/13/99
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
Page 13
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