參數(shù)資料
型號: 933669510652
廠商: NXP SEMICONDUCTORS
元件分類: 諧振器
英文描述: HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDIP16
封裝: SOT-38-1, DIP-16
文件頁數(shù): 17/19頁
文件大?。?/td> 332K
代理商: 933669510652
December 1990
7
Philips Semiconductors
Product specication
Dual non-retriggerable monostable
multivibrator with reset
74HC/HCT221
tW
output pulse width
nQ or nQ
140
ns
2.0
4.5
6.0
CEXT = 28 nF;
REXT =2 k;
Fig.10
tW
output pulse width
nQ or nQ
1.5
s
2.0
4.5
6.0
CEXT = 1 nF;
REXT =2 k;
Fig.10
tW
output pulse width
nQ or nQ
7
s
2.0
4.5
6.0
CEXT = 1 nF;
REXT = 10 k;
Fig.10
tW
pulse width match
between circuits
in the package
± 2
%
4.5
to
5.5
CEXT = 1000 pF;
REXT = 10 k
trem
removal time
nRD to nA
or nB
100
20
17
30
11
9
125
25
21
150
30
26
ns
2.0
4.5
6.0
Fig.9
REXT
external timing resistor
10
2
1000
k
2.0
5.0
Fig.12
Fig.13
CEXT
external timing capacitor
no limits
pF
2.0
5.0
Fig.12
Fig.13
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
40 to +85 40 to +125
min
typ
max. min
max.
min.
max.
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