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參數(shù)資料
| 型號： | SNJ54LV221AJ |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Small Signal NPN; Package: SOT-23 (TO-236) 3 LEAD; No of Pins: 3; Container: Tape and Reel; Qty per Container: 3000 |
| 中文描述： | 施密特觸發(fā)輸入與雙單穩(wěn)態(tài)多頻振蕩器 |
| 文件頁數(shù)： | 7/19頁 |
| 文件大?。?/td> | 436K |
| 代理商： | SNJ54LV221AJ |
SCLS450G DECEMBER 1999 REVISED APRIL 2005
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V
±
0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TEST
TA = 25
°
C
TYP
SN54LV221A
MIN
SN74LV221A
MIN
UNIT
(OUTPUT)
CONDITIONS
MIN
MAX
MAX
MAX
A or B
Q or Q
14.6*
31.4*
1*
37*
1
37
tpd
CLR
Q or Q
CL = 15 pF
13.2*
25*
1*
29.5*
1
29.5
ns
CLR trigger
Q or Q
15.2*
33.4*
1*
39*
1
39
A or B
Q or Q
16.7
36
1
42
1
42
tpd
CLR
Q or Q
CL = 50 pF
15
32.8
1
34.5
1
34.5
ns
CLR trigger
Q or Q
17.4
38
1
44
1
44
CL = 50 pF,
Cext = 28 pF,
Rext = 2 k
CL = 50 pF,
Cext = 0.01
μ
F,
Rext = 10 k
CL = 50 pF,
Cext = 0.1
μ
F,
Rext = 10 k
CL = 50 pF
203
260
320
320
ns
tw
Q or Q
90
100
110
90
110
90
110
s
0.9
1
1.1
0.9
1.1
0.9
1.1
ms
tw
±
1
%
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
tw = Pulse duration at Q and Q outputs
tw = Output pulse-duration variation (Q and Q) between circuits in same package
switching characteristics over recommended operating free-air temperature range,
V
CC
= 3.3 V
±
0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
TEST
TA = 25
°
C
TYP
SN54LV221A
MIN
SN74LV221A
MIN
UNIT
(OUTPUT)
CONDITIONS
MIN
MAX
MAX
MAX
A or B
Q or Q
10.2*
20.6*
1*
24*
1
24
tpd
CLR
Q or Q
CL = 15 pF
9.3*
15.8*
1*
18.5*
1
18.5
ns
CLR trigger
Q or Q
10.6*
22.4*
1*
26*
1
26
A or B
Q or Q
11.8
24.1
1
27.5
1
27.5
tpd
CLR
Q or Q
CL = 50 pF
10.6
19.3
1
22
1
22
ns
CLR trigger
Q or Q
12.3
25.9
1
29.5
1
29.5
CL = 50 pF,
Cext = 28 pF,
Rext = 2 k
CL = 50 pF,
Cext = 0.01
μ
F,
Rext = 10 k
CL = 50 pF,
Cext = 0.1
μ
F,
Rext = 10 k
CL = 50 pF
186
240
300
300
ns
tw
Q or Q
90
100
110
90
110
90
110
s
0.9
1
1.1
0.9
1.1
0.9
1.1
ms
tw
±
1
%
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
tw = Pulse duration at Q and Q outputs
tw = Output pulse-duration variation (Q and Q) between circuits in same package
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