M54HC688F1R Просмотр технического описания (PDF) - STMicroelectronics
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M54HC688F1R Datasheet PDF : 10 Pages
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M54/M74HC688
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6 ns)
Symbol
Parameter
Test Conditions
VCC
(V)
TA = 25 oC
54HC and 74HC
Value
-40 to 85 oC -55 to 125 oC Unit
74HC
54HC
Min. Typ. Max. Min. Max. Min. Max.
tTLH Output Transition 2.0
tTHL Time
4.5
30 75
8
15
95
110
19
22
ns
6.0
7
13
16
19
tPLH Propagation
2.0
tPHL Delay Time
4.5
(Pn, Qn - P = Q)
6.0
60 170
215
255
21 34
43
51
ns
17 29
37
43
tPLH Propagation
2.0
tPHL Delay Time
4.5
(G - P = Q)
6.0
40 110
140
165
13 22
28
33
ns
10 19
24
28
CIN Input Capacitance
5
10
10
10 pF
CPD (*) Power Dissipation
32
Capacitance
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
SWITCHING CHARACTERISTICS TEST
WAVEFORM
TEST CIRCUIT ICC (Opr.)
INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF
SWITCHING CHARACTERISTICS TEST.
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