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參數(shù)資料
| 型號： | SN74LS540DW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 1A, 12V,±2;% Tolerance, Negative Voltage Regulator, Ta = 0°C to +125°C; Package: 3 LEAD D2PAK; No of Pins: 3; Container: Tape and Reel; Qty per Container: 800 |
| 中文描述： | LS SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 3/3頁 |
| 文件大?。?/td> | 75K |
| 代理商： | SN74LS540DW |
AC WAVEFORMS
1.5 V
1.5 V
1.5 V
1.3 V
1.3 V
1.3 V
1.3 V
VIN
VOUT
tPLH
tPHL
1.3 V
1.3 V
VIN
VOUT
SW2
CL*
5 k
SW1
VCC
RL
TO OUTPUT
UNDER TEST
1.3 V
tPLH
tPHL
VE
VE
VOUT
VE
VE
VOUT
tPHZ
≥
VOH
≈
1.5 V
1.5 V
1.5 V
tPZL
tPLZ
VOL
1.5 V
0.5 V
tPZH
1.3 V
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
0.5 V
≈
1.5 V
SWITCH POSITIONS
5-3
FAST AND LS TTL DATA
SN54/74LS540
SN54/74LS541
AC CHARACTERISTICS
(TA = 25
°
C)
Symbol
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
Min
Typ
Max
tPLH
tPLH
tPHL
tPHL
Propagation Delay,
p g
Data to Output
D l
LS540
9.0
15
VCC = 5 0 V
CL= 45 pF
CL = 45 pF
RL = 667
LS541
12
15
ns
LS540
12
15
LS541
12
18
tPZH
Output Enable Time
to HIGH Level
LS540
15
25
ns
LS541
15
32
tPZL
Output Enable Time
to LOW Level
LS540
20
38
ns
LS541
20
38
tPHZ
Output Disable Time
to HIGH Level
LS540
10
18
ns
CL= 5 0 pF
CL = 5.0 pF
5 0 F
LS541
10
18
tPLZ
Output Disable Time
to LOW Level
LS540
15
25
ns
LS541
15
29
SYMBOL
SW1
SW2
tPZH
tPZL
tPLZ
tPHZ
Open
Closed
Closed
Open
Closed
Closed
Closed
Closed
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN74LS540N | 1A, 12V,±4% Tolerance, Negative Voltage Regulator, Ta = -40°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50 |
| SN74LS640DW | LOW POWER SCHOTTKY |
| SN74LS640N | LOW POWER SCHOTTKY |
| SN74LS641DW | LOW POWER SCHOTTKY |
| SN74LS641N | LOW POWER SCHOTTKY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74LS540DWE4 | 功能描述:緩沖器和線路驅(qū)動器 Octal Buff/Line Drvr W/3-State Otpt RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LS540DWG4 | 功能描述:緩沖器和線路驅(qū)動器 Octal Buffers and Line Drivers RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LS540DWR | 功能描述:緩沖器和線路驅(qū)動器 Octal Buff/Line Drvr W/3-State Otpt RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LS540DWRE4 | 功能描述:緩沖器和線路驅(qū)動器 Octal Buff/Line Drvr W/3-State Otpt RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LS540DWRG4 | 功能描述:緩沖器和線路驅(qū)動器 Octal Buffers and Line Drivers RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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