參數(shù)資料
型號(hào): ST78C34IP40
廠商: EXAR CORP
元件分類: Parallel IO Port
英文描述: 8 I/O, PIA-PRINTER INTERFACE, PDIP40
封裝: 0.600 INCH, PLASTIC, DIP-40
文件頁(yè)數(shù): 6/23頁(yè)
文件大?。?/td> 208K
代理商: ST78C34IP40
6-14
ST78C34
Rev. 3.00
ABSOLUTE MAXIMUM RATINGS
Supply range
7 Volts
Voltage at any pin
GND-0.3 V to VCC+0.3 V
Operating temperature
0° C to +70° C
Storage temperature
-40° C to +150° C
Package dissipation
500 mW
Symbol
Parameter
Limits
Units
Conditions
Min
Typ
Max
DC ELECTRICAL CHARACTERISTICS
T
A=0° - 70° C,
Vcc=5.0 V ± 10% unless otherwise specified.
VILCK
Clock input low level
-0.5
0.6
V
VIHCK
Clock input high level
3.0
VCC
V
VIL
Input low level
-0.5
0.8
V
VIH
Input high level
2.2
VCC
V
VOL
Output low level
0.4
V
IOL= 6.0 mA D7-D0
IOL= 15mA PD7-
PD0
IOL= 5.0 mA on all
other outputs
VOH
Output high level
2.4
V
IOH= -6.0 mA D7-
D0
IOH= -12.0 mA
PD7-PD0
IOH= -150 mA -
SLCTIN,
INIT*,-STROBE,
-AUTOFDXT
IOH= -6.0 mA on all
other outputs
ICC
Avg. power supply current
4
7
mA
IIL
Input leakage
±10
mA
Except Pins 1-6
IIL
Input leakage
-450
mA
Pins 1-6 @ Vin=0V
RIN
Input pullup resistance
12
40
k
W
Pins 1-6
ICL
Clock leakage
±10
mA
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