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參數(shù)資料
| 型號(hào)： | SN74LSLS221 |
| 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(yè)數(shù)： | 8/23頁(yè) |
| 文件大?。?/td> | 620K |
| 代理商： | SN74LSLS221 |
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SDLS213B DECEMBER 1983 REVISED NOVEMBER 2004
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LS221
MIN
TYP
SN74LS221
MIN
TYP
UNIT
MAX
MAX
VT+
Positive-going threshold voltage,
B input
VCC = MIN
1
2*
1
2
V
VT
Negative-going threshold voltage,
B input
VCC = MIN
0.7*
0.9
0.8
0.9
V
VIK
VOH
VCC = MIN,
VCC = MIN,
II = 18 mA
IOH = 400
μ
A
IOL = 4 mA
IOL = 8 mA
VI = 7 V
VI = 2.7 V
1.5
1.5
V
2.5
3.4
2.7
3.4
V
VOL
VCC = MIN
0.25
0.4
0.25
0.4
V
0.35
0.5
II
IIH
VCC = MAX,
VCC = MAX,
0.1
0.1
mA
20
20
μ
A
IIL
A input
VCC = MAX,
VI = 0.4 V
0.4
0.4
mA
CLR, B input
0.8
0.8
IOS§
VCC = MAX
20
100
20
100
mA
ICC
Quiescent
Triggered
VCC = MAX
4.7
19
11
27*
4.7
19
11
27
mA
On products compliant to MIL-PRF-38535, this parameter is not production tested.
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
All typical values are at VCC = 5 V, TA = 25
°
C.
§Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature
SN54LS221
SN74LS221
UNIT
MIN
50
MAX
MIN
50
MAX
tw
Pulse duration
A or B
ns
CLR
40
40
tsu
Rext
Cext
Setup time, inactive state
CLR
15
15
ns
External timing resistance
1.4*
70*
1.4
100
k
External timing capacitance
0*
1000*
0
1000
μ
F
Output duty cycle
RT = 2 k
RT = MAX Rext
50%
90%
50%
90%
On products compliant to MIL-PRF-38535, this parameter is not production tested.
Inactive-state setup time also is referred to as recovery time.
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參數(shù)描述 |
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| SN74LV00AD | 功能描述:邏輯門 Quad 2-In Pos NAND RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74LV00AD | 制造商:Texas Instruments 功能描述:GATE / INVERTER LOGIC IC |
| SN74LV00ADBR | 功能描述:邏輯門 Quad 2-In Pos NAND RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74LV00ADBRG4 | 功能描述:邏輯門 Quadruple 2-Input Positive-NAND gates RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74LV00ADE4 | 功能描述:邏輯門 Quadruple 2-Input Positive-NAND gates RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時(shí)間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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