74HC75DB 데이터 시트보기 (PDF) - Philips Electronics
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74HC75DB Datasheet PDF : 20 Pages
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Philips Semiconductors
74HC75
Quad bistable transparant latch
Table 8: Dynamic characteristics …continued
GND = 0 V; tr = tf = 6 ns; CL = 50 pF; unless otherwise specified, see Figure 10.
Symbol Parameter
Conditions
Min
Tamb = −40 °C to +125 °C
tPHL, tPLH propagation delay
see Figure 6
nD to nQ
VCC = 2.0 V
-
VCC = 4.5 V
-
VCC = 6.0 V
-
propagation delay
see Figure 7
nD to nQ
VCC = 2.0 V
-
VCC = 4.5 V
-
VCC = 6.0 V
-
propagation delay
see Figure 9
LEnn to nQ
VCC = 2.0 V
-
VCC = 4.5 V
-
VCC = 6.0 V
-
propagation delay
see Figure 9
LEnn to nQ
VCC = 2.0 V
-
VCC = 4.5 V
-
VCC = 6.0 V
-
tTHL, tTLH output transition time see Figure 6 and 7
VCC = 2.0 V
-
VCC = 4.5 V
-
VCC = 6.0 V
-
tW
enable pulse width see Figure 9
HIGH
VCC = 2.0 V
120
VCC = 4.5 V
24
VCC = 6.0 V
20
tsu
set-up time nD to
see Figure 8
LEnn
VCC = 2.0 V
90
VCC = 4.5 V
18
VCC = 6.0 V
15
th
hold time nD to LEnn see Figure 8
VCC = 2.0 V
3
VCC = 4.5 V
3
VCC = 6.0 V
3
[1] CPD is used to determine the dynamic power dissipation (PD in µW).
PD = CPD × VCC2 × fi × N + ∑(CL × VCC2 × fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
∑(CL × VCC2 × fo) = sum of outputs.
9397 750 13816
Product data sheet
Rev. 03 — 12 November 2004
Typ
Max
Unit
-
165
ns
-
33
ns
-
28
ns
-
180
ns
-
36
ns
-
31
ns
-
180
ns
-
36
ns
-
31
ns
-
190
ns
-
38
ns
-
32
ns
-
110
ns
-
22
ns
-
19
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
-
-
ns
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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