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參數(shù)資料
| 型號： | HEF4538BP |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 振蕩器 |
| 英文描述： | Dual precision monostable multivibrator |
| 封裝： | HEF4538BP<SOT38-4 (DIP16)|<<http://www.nxp.com/packages/SOT38-4.html<1<Always Pb-free,;HEF4538BT<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 447K |
| 代理商： | HEF4538BP |
HEF4538B
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 7 — 17 February 2011
8 of 18
NXP Semiconductors
HEF4538B
Dual precision monostable multivibrator
[1]
The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (C
L
in pF).
The maximum permissible resistance R
EXT
, which holds the specified accuracy of t
W
(nQ, nQ output), depends on the leakage current
of the capacitor C
EXT
and the leakage of the HEF4538B.
[2]
t
rec
recovery time
nCD to nA, nB;
see
Figure 7
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
5 V
10 V
15 V
-
-
-
20
10
5
40
20
10
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
t
rtrig
retrigger time
nQ, nQ to nA, nB;
see
Figure 7
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
242
235
234
t
W
pulse width
nA LOW; minimum width;
see
Figure 7
90
30
24
50
24
20
55
25
20
218
213
211
45
15
12
25
12
10
25
12
10
230
224
223
nB HIGH;
minimum width;
see
Figure 7
nCD LOW;
minimum width;
see
Figure 7
nQ or nQ;
R
EXT
= 100 k
;
C
EXT
=2.0 nF;
see
Figure 7
nQ or nQ ;
R
EXT
= 100 k
;
C
EXT
= 0.1
F;
see
Figure 7
nQ or nQ;
R
EXT
= 100 k
;
C
EXT
= 10
F;
see
Figure 7
nQ or nQ variation over
temperature range;
see
Figure 8
5 V
10 V
15 V
10.3
10.2
10.1
10.8
10.7
10.6
11.3
11.2
11.1
ms
ms
ms
5 V
10 V
15 V
1.01
0.99
0.99
1.09
1.04
1.04
1.11
1.09 s
1.09 s
s
t
W
pulse width
variation
5 V
10 V
15 V
-
-
-
-
0.2
0.2
0.2
1.5
-
-
-
-
%
%
%
%
nQ or nQ variation over
V
DD
voltage range
5 V to 15 V; see
Figure 9
nQ or nQ variation
between monostables in
the same device;
R
EXT
= 100 k
;
C
EXT
= 2 nF to 10
F
5 V
10 V
15 V
-
-
-
1
1
1
-
-
-
%
%
%
R
EXT
external timing
resistor
external timing
capacitor
5
-
[2]
k
C
EXT
2000
-
no
limits
pF
Table 8.
V
SS
= 0 V; T
amb
= 25
C; for test circuit see
Figure 11
.
Symbol Parameter
Dynamic characteristics
…continued
Conditions
V
DD
Extrapolation formula
[1]
Min
Typ
Max
Unit
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| HEF4538BP,652 | 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONO MULTIVIB RETRIG/RESET RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| HEF4538BP652 | 制造商:NXP Semiconductors 功能描述:IC MONOSTABLE PRECISION MULTIVIBRATOR |
| HEF4538BT | 制造商:NXP Semiconductors 功能描述:HEF4000 Monostable Multivibrator 制造商:NXP Semiconductors 功能描述:HEF4000 Monostable Multivibrator Bulk 制造商:NXP Semiconductors 功能描述:IC 4000 LOCMOS SMD 4538 SOIC16 制造商:NXP Semiconductors 功能描述:IC, 4000 LOCMOS, SMD, 4538, SOIC16 制造商:NXP Semiconductors 功能描述:IC, MONO MULTIVIBRATOR, 60NS, SOIC-16; Multivibrator Type:Retriggerable Monostable; Output Current:2.4mA; Propagation Delay:60ns; Logic Case Style:SOIC; No. of Pins:16; Supply Voltage Min:4.5V; Supply Voltage Max:15.5V ;RoHS Compliant: Yes |
| HEF4538BT,652 | 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONO MULTIVIB RETRIG/RESET RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| HEF4538BT,653 | 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL PRECISION MONOST MULTIVIB RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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