Samsung ML-920 Service Manual page 150

CIRCUIT DESCRIPTION
3-2-10-3 Electrical Specifications
This section provides the PM-22's electrical specifications.
Parameter
Input capacitance for all input only pins
Input capacitance for all bidirectional pins
Input high voltage for all inputs
Input low voltage for all inputs
Output high voltage for all outputs
Output low voltage for all outputs
Input current with input at VDD
Input current with input at GND
Tri-state output current with output at VDD
Tri-state output current with output at GND
Power supply current
DC Characteristics
Table presents the PM-22's DC characteristics.
IMPORTANT : CLOCK pin timing is measured at TTL levels, not CMOS. The system CLOCK driver must be configured cor-
rectly in order to ensure that duty cycle and Vil specifications are met.
Repair Manual
3-20
Symbol
Cin
Cio
Vin
Vil
Voh
Vol
Iih
Iil
Iozh
Iozl
Icc
< DC Characteristics >
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Min Max
0 10
0 15
2.0 VDDBIAS
+0.3
GND -0.3 0.8
2.4 VDD
GND 0.4
-30 30
-30 30
-100 100
-100 100
0 95
Units
pF
pF
Volts
Volts
Volts
Volts
µA
µA
µA
µA
mA
Samsung Electronics