參數(shù)資料
型號(hào): 74HC4516
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Binary up/down counter
中文描述: 二進(jìn)制向上/向下計(jì)數(shù)器
文件頁數(shù): 14/14頁
文件大?。?/td> 100K
代理商: 74HC4516
December 1990
14
Philips Semiconductors
Product specification
Binary up/down counter
74HC/HCT4516
Fig.14 State diagram.
Fig.15 Programmable cascaded frequency divider.
Use the following formulae to calculate
N
total
:
i
π
1
f
out
= f
in
/N
total
N
total
16
N
i
×
(
)
N
0
+
=
Note
1.
no count; f
out
is HIGH.
parallel inputs
count-up
n
count-down
n
D
3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D
2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
(1)
(1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
.
相關(guān)PDF資料
PDF描述
74HCT4518 Dual synchronous BCD counter
74HC4518 Dual synchronous BCD counter
74HCT4520 4-Bit Synchronous Up/Down Binary Counters 16-SOIC -40 to 85
74HC4520 Dual 4-bit synchronous binary counter
74HCT4520 4-Bit Synchronous Up/Down Binary Counters 16-SOIC -40 to 85
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