28
ST16C552/552A
Rev. 3.40
V
ILCK
Clock input low level -0.3 0.6 -0.5 0.6 V
V
IHCK
Clock and printer port input high level 2.4 VCC 3.0 VCC V
V
IL
Input low level -0.3 0.8 -0.5 0.8 V
V
IH
Input high level (Rev "E" and older) 2.0 VCC 2.2 VCC V
V
IH
Input high level (Rev "F" and newer) 2.0 5.5 2.2 5.5 V
V
OL
Output low level on all outputs 0.4 V I
OL
= 4 mA
V
OL
Output low level on all outputs 0.4 V I
OL
= 4 mA
V
OH
Output high level 2.4 V I
OH
= -4 mA
V
OH
Output high level 2.0 V I
OH
= -1 mA
I
IL
Input leakage ±10 ±10 µA
I
CL
Clock leakage ±10 ±10 µA
I
CC
Avg power supply current 1.5 3 mA
C
P
Input capacitance 5 5 pF
RIN Internal pull-up resistance 9 22 kΩ
Note: See the Symbol Description Table, for a listing of pins having internal pull-up resistors.
ABSOLUTE MAXIMUM RATINGS
Supply range 7 Volts
Voltage at any pin GND - 0.3 V to VCC +0.3 V
Operating temperature -40° C to +85° C
Storage temperature -65° C to 150° C
Package dissipation 500 mW
DC ELECTRICAL CHARACTERISTICS
T
A
=0° - 70°C (-40° - +85°C for Industrial grade packages), Vcc=2.97 - 5.5V unless otherwise specified.
Symbol Parameter Limits Limits Units Conditions
3.3 5.0
Min Max Min Max
