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| 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)： | 8/19頁 |
| 文件大?。?/td> | 436K |
| 代理商： | SNJ54LV221AJ |
SCLS450G DECEMBER 1999 REVISED APRIL 2005
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V
±
0.5 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
7.1*
12*
1*
14*
1
14
tpd
CLR
Q or Q
CL = 15 pF
6.5*
9.4*
1*
11*
1
11
ns
CLR trigger
Q or Q
7.3*
12.9*
1*
15*
1
15
A or B
Q or Q
8.2
14
1
16
1
16
tpd
CLR
Q or Q
CL = 50 pF
7.4
11.4
1
13
1
13
ns
CLR trigger
Q or Q
8.6
14.9
1
17
1
17
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
171
200
240
240
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
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
VCC
3.3 V
TYP
50
UNIT
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 10 MHz
pF
5 V
51
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