74LV163 Просмотр технического описания (PDF) - Philips Electronics
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74LV163 Datasheet PDF : 14 Pages
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Philips Semiconductors
Presettable synchronous 4-bit binary counter;
synchronous reset
Product specification
74LV163
AC CHARACTERISTICS
GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF; RL = 1KΩ
SYMBOL
PARAMETER
WAVEFORM
CONDITION
VCC(V)
1.2
tPHL/tPLH
Propagation delay
CP to Qn
Figures 1
2.0
2.7
3.0 to 3.6
1.2
tPHL/tPLH
Propagation delay
CP to TC
Figures 1
2.0
2.7
3.0 to 3.6
1.2
tPHL/tPLH
Propagation delay
CET to TC
Figures 2
2.0
2.7
3.0 to 3.6
tw
Clock pulse width
HIGH or LOW
Figures 1
2.0
2.7
3.0 to 3.6
1.2
tsu
Set-up time
MR, Dn to CP
Figures 3, 4
2.0
2.7
3.0 to 3.6
1.2
tsu
Set-up time
PE to CP
Figures 3
2.0
2.7
3.0 to 3.6
1.2
tsu
Set-up time
CEP, CET to CP
Figures 5
2.0
2.7
3.0 to 3.6
Hold time
th
Dn, PE, CEP, CET, Figures 3, 4, 5
MR to CP
1.2
2.0
2.7
3.0 to 3.6
fmax
Maximum clock
pulse frequency
Figures 1
2.0
2.7
3.0 to 3.6
NOTES:
1. Unless otherwise stated, all typical values are measured at Tamb = 25°C
2. Typical values are measured at VCC = 3.3 V.
LIMITS
–40 to +85 °C
MIN TYP1 MAX
95
32
61
24
45
182
36
115
39
75
29
55
222
44
55
19
36
14
26
102
21
34
10
25
8
20
62
25
22
9
16
6
13
52
30
22
10
16
8
13
62
30
22
10
16
8
13
62
–35
0
–12
0
–9
0
–7
14
40
19
58
24
70
–40 to +125 °C
MIN MAX
75
55
44
90
66
53
44
33
26
41
30
24
26
19
15
26
19
15
26
19
15
0
0
0
12
16
20
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
MHz
1998 Apr 30
8
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