參數(shù)資料
型號(hào)： SN54LS221
廠商： Motorola, Inc.
英文描述： 1-of-8 Decoder/Demultiplexer; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
中文描述： 雙單穩(wěn)多諧振蕩器與施密特觸發(fā)輸入
文件頁(yè)數(shù)： 13/23頁(yè)
文件大?。?/td> 621K
代理商： SN54LS221
SDLS213B DECEMBER 1983 REVISED NOVEMBER 2004
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS (SN54/74221 ONLY)
Figure 3
Median
R
DISTRIBUTION OF UNITS
FOR
OUTPUT PULSE
tw Output Pulse
VCC = 5 V
TA = 25
°
C
Median
+0.5%
Median
+0.5%
Figure 4
0
0.5
1
4.5
4.75
5
0.5
VARIATION IN OUTPUT PULSE
vs
SUPPLY VOLTAGE
1
5.25
5.5
w
VCC Supply Voltage V
Cext = 60 pF
Rext = 10 k
TA = 25
°
C
tw
≈
420 ns
at VCC = 5 V
Figure 5
25
50
75
0
0.5
1
0
25
50
w
0.5
VARIATION IN OUTPUT PULSE
vs
FREE-AIR TEMPERATURE
1
75
100
125
TA Free-Air Temperature
°
C
VCC = 5 V
Cext = 60 pF
Rext = 10 k
tw
≈
420 ns
at TA = 25
°
C
OUTPUT PULSE
vs
TIMING RESISTOR VALUE
Figure 6
100 ns
10 ns
1
2
4
7 10
10 ms
1 ms
20
40
70 100
t
w
100
μ
s
10
μ
s
1
μ
s
VCC = 5 V
TA = 25
°
C
F
μ
Cext= 1
F
μ
Cext= 0.1
F
μ
Cext= 0.01
Cext= 1000 pF
Cext= 100 pF
Cext= 10 pF
See Note A
Rext Timing Resistor Value k
Data for temperatures below 0
°
C and above 70
°
C, and for supply voltages below 4.75 V and above 5.25 V are applicable for the SN54221 only.
NOTE A: These values of resistance exceed the maximum recommended for use over the full military temperature range of the SN54221.
相關(guān)PDF資料
PDF描述
SN54LS221J DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
SN54LS257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74LS257 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN54LS257BFK QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74S257D QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN54LS221J 制造商:Texas Instruments 功能描述:Monostable Multivibrator Dual 16-Pin CDIP Tube 制造商:Texas Instruments 功能描述:MONOSTABLE MULTIVIBRATOR DUAL 16CDIP - Rail/Tube 制造商:Texas Instruments 功能描述:DUAL MONOSTABLE MULTIVIBRATOR
SN54LS224AJ 制造商:Texas Instruments 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 16 x 4 16-Pin CDIP 制造商:Rochester Electronics LLC 功能描述:
SN54LS240J 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Inverting 3-ST Bipolar 20-Pin CDIP Tube 制造商:Texas Instruments 功能描述:BFFR/LINE DRVR 8CH INV 3-ST BIPOLAR 20CDIP - Rail/Tube
SN54LS240W 制造商:Texas Instruments 功能描述:
SN54LS241J 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST Bipolar 20-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk
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