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M54HC367 Datasheet(PDF) 5 Page - STMicroelectronics

Part No. M54HC367
Description  HEX BUS BUFFER 3-STATE HC367 NON INVERTING, HC368 INVERTING
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M54HC367 Datasheet(HTML) 5 Page - STMicroelectronics

 
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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
CL
(pF)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
50
25
60
75
90
ns
4.5
7
121518
6.0
6
101315
tPLH
tPHL
Propagation
Delay Time
2.0
50
30
85
105
130
ns
4.5
10
17
21
26
6.0
9
141822
2.0
150
42
105
130
160
ns
4.5
14
21
26
32
6.0
12
18
22
27
tPZL
tPZH
Output Enable
Time
2.0
50
RL =1 K
36
90
115
135
ns
4.5
11
18
23
27
6.0
9
152023
2.0
150
RL =1 K
49
110
140
165
ns
4.5
15
22
28
33
6.0
13
19
24
28
tPLZ
tPHZ
Output Disable
Time
2.0
50
RL =1 K
32
95
120
145
ns
4.5
14
19
24
29
6.0
12
16
20
25
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
33
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD
•VCC •fIN +ICC/6 (per Channel)
TEST CIRCUIT ICC (Opr.)
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHING CHARACTERISTICS TEST.
CPD CALCULATION
CPD is to be calculated with the following
formula by using the measured value of
ICC (opr.) in the test circuit opposite.
CPD =
ICC (opr)
fIN
× VCC
In determining the typical value of CPD,a
relatively high frequency of 1 MHz was ap-
plied to fIN, in order to eliminate any error
caused by the quiescent supply current.
M54/M74HC367/368
5/11


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