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74HC299 Datenblatt(PDF) 13 Page - NXP Semiconductors

Teilenummer 74HC299
Bauteilbeschribung  8-bit universal shift register; 3-state
PDF  24 Pages
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Hersteller  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
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74HC299 Datenblatt(HTML) 13 Page - NXP Semiconductors

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74HC_HCT299_3
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 28 July 2008
13 of 24
NXP Semiconductors
74HC299; 74HCT299
8-bit universal shift register; 3-state
[1]
tpd is the same as tPHL and tPLH.
[2]
tpd is the same as tPHL.
[3]
tt is the same as tTHL and tTLH.
[4]
ten is the same as tPZH and tPZL.
[5]
tdis is the same as tPHZ and tPLZ.
tt
transition time
bus driver (I/On); see Figure 7
[3]
VCC = 4.5 V
-
5
12
-
15
-
18
ns
standard (Q0, Q7); see Figure 7
VCC = 4.5 V
-
7
15
-
19
-
22
ns
tW
pulse width
clock HIGH or LOW; see Figure 7
VCC = 4.5 V
20
10
-
25
-
30
-
ns
master reset LOW; see Figure 8
VCC = 4.5 V
20
11
-
25
-
30
-
ns
ten
enable time
OEn to I/On; see Figure 10
[4]
VCC = 4.5 V
-
19
30
-
38
-
45
ns
tPHZ
HIGH to
OFF-state
propagation
delay
OEn to I/On; see Figure 10
[5]
VCC = 4.5 V
-
24
37
-
46
-
56
ns
tPLZ
LOW to
OFF-state
propagation
delay
OEn to I/On; see Figure 10
VCC = 4.5 V
-
20
32
-
40
-
48
ns
trec
recovery time
MR to CP; see Figure 8
VCC = 4.5 V
10
2
-
9
-
11
-
ns
tsu
set-up time
I/On, DSR, DSL to CP;
see Figure 7
VCC = 4.5 V
25
14
-
31
-
38
-
ns
S0, S1 to CP; see Figure 9
VCC = 4.5 V
32
18
-
40
-
48
-
ns
th
hold time
I/On, DSR, DSL to CP;
see Figure 7
VCC = 4.5 V
0
−11
-0-0-
ns
S0, S1 to CP; see Figure 9
VCC = 4.5 V
0
−17
-0-0-
ns
fmax
maximum
frequency
CP input; see Figure 7
VCC = 4.5 V
25
42
-
20
-
17
-
MHz
VCC = 5.0 V; CL = 15 pF
-
46
-
----
MHz
Table 7.
Dynamic characteristics …continued
GND (ground = 0 V); for test circuit, see Figure 11.
Symbol
Parameter
Conditions
25
°C
−40 °C to
+85
°C
−40 °C to
+125
°C
Unit
Min
Typ
Max
Min
Max
Min
Max



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