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| 型號(hào)： | SN54LS240FK |
| 廠(chǎng)商： | Texas Instruments, Inc. |
| 英文描述： | Dual 1-of-4 Decoder/Demultiplexer; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500 |
| 中文描述： | 八路緩沖器和線(xiàn)路驅(qū)動(dòng)器，三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 7/16頁(yè) |
| 文件大小： | 247K |
| 代理商： | SN54LS240FK |
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SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144B
–
APRIL 1985
–
REVISED FEBRUARY 2002
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LS
’
TYP
SN74LS
’
TYP
UNIT
MIN
MAX
MIN
MAX
VIK
VCC = MIN,
II =
–
18 mA
–
1.5
–
1.5
V
Hysteresis
(VT+
–
VT
–
)
VCC = MIN
0.2
0.4
0.2
0.4
V
VOH
VCC = MIN,
IOH =
–
3 mA
VCC = MIN,
IOH = MAX
VIH = 2 V,
VIL = MAX,
2.4
3.4
2.4
3.4
V
VIH = 2 V,
VIL = 0.5 V,
2
2
VOL
VCC = MIN,
VIL = MAX
VCC = MAX,
VIL = MAX
VCC = MAX,
VIL = MAX
VCC = MAX,
VCC = MAX,
VCC = MAX,
VCC = MAX,
VIH = 2 V,
IOL = 12 mA
IOL = 24 mA
0.4
0.4
V
0.5
IOZH
VIH = 2 V,
VO = 2.7 V
20
20
μ
A
IOZL
VIH = 2 V,
VO = 0.4 V
–
20
–
20
μ
A
II
IIH
IIL
IOS
§
VI = 7 V
VI = 2.7 V
VIL = 0.4 V
0.1
0.1
mA
μ
A
mA
20
20
–
0.2
–
0.2
–
40
–
225
–
40
–
225
mA
Outputs high
All
17
27
17
27
VCC = MAX,
Output open
Out ut o en
Outputs low
’
LS240
26
44
26
44
ICC
’
LS241,
’
LS244
’
LS240
27
29
46
50
27
29
46
50
mA
Outputs disabled
Out uts disabled
’
LS241,
’
LS244
32
54
32
54
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 duration of the short-circuit should not exceed one second.
switching characteristics, V
CC
= 5 V, T
A
= 25
°
C (see Figure 1)
PARAMETER
TEST CONDITIONS
’
LS240
TYP
’
LS241,
’
LS244
MIN
TYP
UNIT
MIN
MAX
MAX
tPLH
tPHL
tPZL
tPZH
tPLZ
tPHZ
RL= 667
RL = 667
,
CL = 45 pF
9
14
12
18
ns
12
18
12
18
RL= 667
RL = 667
,
CL = 45 pF
45 F
20
30
20
30
ns
15
23
15
23
RL = 667
,
CL = 5 pF
10
15
20
25
10
15
20
25
ns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54LS240W | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS |
| SN54LS241FK | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS |
| SN54LS241W | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS |
| SN54LS244FK | Quad 2-Input Multiplexer; Package: TSSOP-16; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500 |
| SN54LS240 | Dual 1-of-4 Decoder/Demultiplexer; Package: SOIC 16 LEAD; No of Pins: 16; Container: Rail; Qty per Container: 48 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54LS240J | 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Inverting 3-ST Bipolar 20-Pin CDIP Tube 制造商:Texas Instruments 功能描述:BFFR/LINE DRVR 8CH INV 3-ST BIPOLAR 20CDIP - Rail/Tube |
| SN54LS240W | 制造商:Texas Instruments 功能描述: |
| SN54LS241J | 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST Bipolar 20-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54LS243J | 制造商:Texas Instruments 功能描述:Bus XCVR Single 4-CH 3-ST 14-Pin CDIP Tube |
| SN54LS244J | 制造商:Texas Instruments 功能描述:Buffer/Line Driver 8-CH Non-Inverting 3-ST Bipolar 20-Pin CDIP Tube 制造商:Texas Instruments 功能描述:BFFR/LINE DRVR 8CH NON-INV 3-ST BIPOLAR 20CDIP - Rail/Tube 制造商:Texas Instruments 功能描述:Octal buffer/line driver,SN54LS244J |
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