參數(shù)資料
型號: M54HC238F1R
廠商: 意法半導(dǎo)體
英文描述: Low-Power Mono ADC / Stereo DAC with 6 audio inputs and HP/Speaker Amplifier 48-VQFN -40 to 85
中文描述: 3至8線譯碼器
文件頁數(shù): 5/10頁
文件大?。?/td> 247K
代理商: M54HC238F1R
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
30
-55 to 125
o
C
54HC
Min.
Max.
75
15
13
150
30
26
150
30
26
150
30
26
10
Max.
95
19
16
190
38
32
190
38
32
190
38
32
10
Max.
110
22
19
225
45
38
225
45
38
225
45
38
10
t
TLH
t
THL
Output Transition
Time
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
ns
8
7
t
PLH
t
PHL
Propagation
Delay Time
(A, B, C - Y)
50
17
15
50
17
15
50
17
15
5
53
ns
t
PLH
t
PHL
Propagation
Delay Time
(G1 - Y)
ns
t
PLH
t
PHL
Propagation
Delay Time
(G2 - Y)
ns
C
IN
Input Capacitance
Power Dissipation
Capacitance
pF
C
PD
(*)
pF
(*) C
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by thefollowingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
TEST CIRCUIT I
CC
(Opr.)
SWITCHING CHARACTERISTICS TEST
WAVEFORM
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHINGCHARACTERISTICSTEST.
M54/M74HC238
5/10
相關(guān)PDF資料
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