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參數(shù)資料
| 型號： | JM38510 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT TRIGGER INPUTS |
| 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)： | 21/23頁 |
| 文件大小： | 620K |
| 代理商： | JM38510 |
SN54221, SN54LS221, SN74221, SN74LS221
DUAL MONOSTABLE MULTIVIBRATORS
WITH SCHMITT TRIGGER INPUTS
SDLS213B DECEMBER 1983 REVISED NOVEMBER 2004
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics VCC = 5 V, RL = 400 , TA = 25_C (see Figures 1 and 2)
PARAMETER
FROM
TO
TEST CONDITIONS
SN54221
SN74221
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
tPLH
A
Q
45
70
45
70
tPLH
B
Q
Cext = 80 pF,
Rext = 2 k
35
55
35
55
ns
tPHL
A
Q
Cext = 80 pF,
Rext = 2 k
50
80
50
80
ns
tPHL
B
Q
40
65
40
65
tPHL
CLR
Q
Cext = 80 pF,
Rext = 2 k
27
ns
tPLH
CLR
Q
Cext = 80 pF,
Rext = 2 k
40
ns
Cext = 80 pF,
Rext = 2 k
70
110
150
70
110
150
tw
A or B
Q or Q
Cext = 0,
Rext = 2 k
17
30
50
17
30
50
ns
tw
A or B
Q or Q
Cext = 100 pF, Rext = 10 k
650
700
750
650
700
750
ns
Cext = 1 F,
Rext = 10 k
6.5*
7
7.5*
6.5
7
7.5
ms
On products compliant to MIL-PRF-38535, this parameter is not production tested.
recommended operating conditions (see Note 4)
SN54LS221
SN74LS221
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.75
5
5.25
V
IOH
High-level output current
400
A
IOL
Low-level output current
4
8
mA
v/t
Rise or fall of input pulse rate
B input
1*
1
V/s
v/t
Rise or fall of input pulse rate
A input
1*
1
V/
s
TA
Operating free-air temperature
55
125
0
70
°C
On products compliant to MIL-PRF-38535, this parameter is not production tested.
NOTE 4: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| JM38510/00101BAD | 制造商:National Semiconductor Corporation 功能描述: 制造商:Texas Instruments 功能描述: |
| JM38510/00101BCA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| JM38510/00101BCB | 制造商:Motorola 功能描述:38510/00101 MOT S6I6B |
| JM38510/00101BDA | 制造商:Texas Instruments 功能描述: 制造商:National Semiconductor Corporation 功能描述: |
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