74HCT7403D 查看數據表（PDF） - NXP Semiconductors.
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74HCT7403D Datasheet PDF : 34 Pages
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NXP Semiconductors
74HC7403; 74HCT7403
4-bit x 64-word FIFO register; 3-state
Table 6. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 17.
Symbol Parameter Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max
Min
Max
ten
enable time OE to Qn; see Figure 16 [2]
VCC = 2.0 V
-
44 150 -
190
-
225 ns
VCC = 4.5 V
-
16 30
-
38
-
45 ns
VCC = 6.0 V
-
13 26
-
32
-
38 ns
tdis
disable time OE to Qn; see Figure 16 [3]
VCC = 2.0 V
-
50 150 -
190
-
225 ns
VCC = 4.5 V
-
18 30
-
38
-
45 ns
VCC = 6.0 V
-
14 26
-
33
-
38 ns
tt
transition Qn; see Figure 14
time
VCC = 2.0 V
[4]
-
14 60
-
75
-
90 ns
VCC = 4.5 V
-
5 12
-
15
-
18 ns
VCC = 6.0 V
-
4 10
-
13
-
15 ns
tW
pulse width SI HIGH or LOW;
see Figure 6
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
SO HIGH or LOW;
see Figure 9
35 11
-
45
-
55
-
ns
7
4
-
9
-
11
-
ns
6
3
-
8
-
9
-
ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
DIR HIGH; see Figure 7
70 22
-
90
-
105
-
ns
14 8
-
18
-
21
-
ns
12 6
-
15
-
18
-
ns
VCC = 2.0 V
10 41 130 8
165
8
195 ns
VCC = 4.5 V
5 15 26 4
33
4
39 ns
VCC = 6.0 V
4 12 22 3
28
3
23 ns
DOR HIGH; see Figure 10
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
MR LOW; see Figure 8
14 52 160 12
200
12
240 ns
7 19 32 6
40
6
48 ns
6 15 27 5
34
5
41 ns
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
trec
recovery MR to SI; see Figure 15
time
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
120 39 - 150
-
180
-
ns
24 14
-
30
-
36
-
ns
20 11
-
26
-
31
-
ns
80 24 - 100
-
120
-
ns
16 8
-
20
-
24
-
ns
14 7
-
17
-
20
-
ns
74HC_HCT7403
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 24 September 2012
© NXP B.V. 2012. All rights reserved.
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