參數(shù)資料
型號: 74HC4516DB
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Binary up/down counter
中文描述: HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
文件頁數(shù): 6/14頁
文件大小: 100K
代理商: 74HC4516DB
December 1990
6
Philips Semiconductors
Product specification
Binary up/down counter
74HC/HCT4516
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
72
26
21
69
25
20
83
30
24
74
27
22
36
13
10
69
25
20
91
33
26
19
7
6
25
9
7
28
10
8
19
7
6
220
44
37
210
42
36
250
50
43
260
52
44
125
25
21
235
47
40
300
60
51
75
15
13
275
55
47
265
53
45
315
63
54
325
65
55
155
31
26
295
59
50
375
75
64
95
19
16
330
66
56
315
63
54
375
75
64
395
78
66
190
38
32
355
71
60
450
90
77
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
2.0
4.5
6.0
Fig.7
t
PHL
propagation delay
MR to Q
n
ns
Fig.10
t
PLH
/ t
PHL
propagation delay
PL to Q
n
ns
Fig.9
t
PHL
/ t
PLH
propagation delay
CP to TC
ns
Fig.7
t
PHL
/ t
PLH
propagation delay
CE to TC
ns
Fig.8
t
PLH
propagation delay
MR to TC
ns
Fig.10
t
PLH
/ t
PHL
propagation delay
PL to TC
ns
Fig.9
t
TLH
/ t
THL
output transition time
ns
Fig.9
t
W
clock pulse width CP,
CE HIGH or LOW
80
16
14
80
16
14
80
16
14
100
20
17
100
20
17
100
20
17
120
24
20
120
24
20
120
24
20
ns
Fig.7
t
W
parallel load pulse
width HIGH
ns
Fig.10
t
W
master reset pulse
width HIGH
ns
Fig.10
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