參數(shù)資料
型號(hào): 74HCT161
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(yù)置的同步4位二進(jìn)制計(jì)數(shù)器;異步復(fù)位;)
中文描述: 可預(yù)置同步4位二進(jìn)制計(jì)數(shù)器,異步復(fù)位(可預(yù)置的同步4位二進(jìn)制計(jì)數(shù)器,異步復(fù)位;)
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 83K
代理商: 74HCT161
December 1990
8
Philips Semiconductors
Product specification
Presettable synchronous 4-bit binary
counter; asynchronous reset
74HC/HCT161
t
su
set-up time
CEP, CET to CP
170
34
29
0
0
0
4.6
23
27
47
17
14
14
5
4
13
40
48
215
43
37
0
0
0
3.6
18
21
255
51
43
0
0
0
3.0
15
18
ns
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Fig.12
t
h
hold time
D
n
, PE, CEP,
CET to CP
maximum clock pulse
frequency
ns
Figs 11 and 12
f
max
MHz
Fig.8
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.
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