IN82C54 Datasheet, PDF (1/1 Pages) Integral Corp. – PROGRAMMABLE TIMER

IN82C54
PROGRAMMABLE TIMER
INTEGRAL
LSI of programmable ASIC timer provides operation of three independent counters in six modes.
Synchronous control method with minimum period of tact impulses sequence is used in circuit Тс=200
ns. Circuit is implemented in 239.24-1 package.
Parameter indication,
Letter Measurement mode
Rate
Temperature
measurements unit
Output voltage of high level, V
Output voltage of low level, V
Input current, mkА
Consumption current in static
mode, mkА Input current of low
level в состоянии "выключено",
mkА
symbol
U_OH
U_CC = 4,5V
I_OH =-0.4mА
U_IH=U_CC-0,8V
U_IL=0,8 V
U_OL
U_CC=4,5 V
l_OL=3.2mА
U_IH= U_CC-0,8 V
U_IL=0,8 V
I_I
U_CC=5,5 V
U_IH-5.5 VUll-0V
I_CC
U_CC=5.5V, U_ll=0V
U_IH=5.5V, U_CC=5,5V
U_OL=0,8 V
не менее
U_CC-0,41
no more
С
-10 - +70^oC
-
0,4
-
-2,0
-
10
Output current of high level в
I_OZL
состоянии "выключено", мкА
Sequence period of tact signal T_CY
impulses, ns
U_CC=5,5 V
U_OH=Ucc-0,8 V
U_CC= 5,5 V
-
-
-
125
Parameter name
measurement unit
Supply voltage, V
Letter
symbol
U_CC -0,3
Input voltage of high level, V
U_IH
-
Input voltage of low level, V
U_IL
-0,3
Output current of high level,
mА
I_OH
-
Output current of low level, mА I_OL -
Tact signal impulses
F_C
sequence frequences, MHz:
- for timer
-
- for direct memory access
block
Limit mode rate
6
(7 within 5мs)
6
-
-
-
-
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