參數(shù)資料
型號: 74HCT163
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Presettable synchronous 4-bit binary counter; asynchronous reset(可預置的同步4位二進制計數(shù)器;異步復位;)
中文描述: 可預置同步4位二進制計數(shù)器,異步復位(可預置的同步4位二進制計數(shù)器,異步復位;)
文件頁數(shù): 7/11頁
文件大?。?/td> 86K
代理商: 74HCT163
December 1990
7
Philips Semiconductors
Product specification
Presettable synchronous 4-bit binary
counter; synchronous reset
74HC/HCT163
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min. max.
t
PHL
/ t
PLH
propagation delay
CP to Q
n
55
20
16
69
25
20
36
13
10
19
7
6
17
6
5
17
6
5
22
8
6
58
21
17
14
5
4
15
46
55
185
37
31
215
43
37
120
24
20
75
15
13
230
46
39
270
54
46
150
30
26
95
19
16
280
56
48
320
65
55
180
36
31
110
22
19
ns
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Fig.8
t
PHL
/ t
PLH
propagation delay
CP to TC
ns
Fig.8
t
PHL
/ t
PLH
propagation delay
CET to TC
ns
Fig.9
t
THL
/ t
TLH
output transition time
ns
Figs 8 and 9
t
W
clock pulse width
HIGH or LOW
80
16
14
80
16
14
80
16
14
175
35
30
0
0
0
5
27
32
100
20
17
100
20
17
100
20
17
220
44
37
0
0
0
4
22
26
120
24
20
120
24
20
120
24
20
265
53
45
0
0
0
4
18
21
ns
Fig.8
t
su
set-up time
MR, D
n
to CP
ns
Figs 10 and 11
t
su
set-up time
PE to CP
ns
Fig.10
t
su
set-up time
CEP, CET to CP
ns
Fig.12
t
h
hold time
D
n
, PE, CEP,
CET, MR to CP
maximum clock pulse
frequency
ns
Figs 10, 11 and 12
f
max
MHz
Fig.8
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