參數資料
型號: 74HC40103N
元件分類: 通用總線功能
英文描述: 8-bit synchronous binary down counter
中文描述: 8位同步二進制計數器下降
文件頁數: 6/17頁
文件大?。?/td> 136K
代理商: 74HC40103N
1998 Jul 08
6
Philips Semiconductors
Product specification
8-bit synchronous binary down counter
74HC/HCT40103
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 TC
96
35
28
50
18
14
102
37
30
83
30
24
19
7
6
22
8
6
39
14
11
33
12
10
14
5
4
22
8
6
300
60
51
175
35
30
315
63
53
275
55
47
75
15
13
375
75
64
220
44
37
395
79
40
345
69
59
95
19
16
450
90
77
265
53
45
475
95
81
415
83
71
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.7
t
PHL
/ t
PLH
propagation delay
TE to TC
ns
Fig.8
t
PHL
/ t
PLH
propagation delay
PL to TC
ns
Fig.9
t
PHL
propagation delay
MR to TC
ns
Fig.9
t
THL
/ t
TLH
output transition time
ns
Figs 7 and 8
t
W
clock pulse width
HIGH or LOW
165
33
28
125
25
21
125
25
21
50
10
9
75
15
13
205
41
35
155
31
26
155
31
26
65
13
11
95
19
16
250
50
43
190
38
32
190
38
32
75
15
13
110
22
19
ns
Fig.7
t
W
master reset pulse width
LOW
ns
Fig.9
t
W
preset enable pulse width
PL; LOW
ns
Fig.9
t
rem
removal time
MR to CP or PL to CP
ns
Fig.10
t
su
set-up time
PE to CP
ns
Fig.11
相關PDF資料
PDF描述
74HC40103PW 8-bit synchronous binary down counter
74HCT40103 8-bit synchronous binary down counter
74HCT40103D 8-bit synchronous binary down counter
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