參數(shù)資料
型號(hào)： SN74LV244APWT
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LV/LV-A/LVX/H SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： GREEN, PLASTIC, TSSOP-20
文件頁數(shù)： 18/22頁
文件大?。?/td> 771K
代理商： SN74LV244APWT
SN54LV244A, SN74LV244A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS383L SEPTEMBER 1997 REVISED AUGUST 2010
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
SN54LV244A
SN74LV244A
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
IOH = 50 μA
2 V to 5.5 V
VCC0.1
V
IOH = 2 mA
2.3 V
2
V
VOH
IOH = 8 mA
3 V
2.48
V
IOH = 16 mA
4.5 V
3.8
IOL = 50 μA
2 V to 5.5 V
0.1
V
IOL = 2 mA
2.3 V
0.4
V
VOL
IOL = 8 mA
3 V
0.44
V
IOL = 16 mA
4.5 V
0.55
II
VI = 5.5 V or GND
0 to 5.5 V
±1
μA
IOZ
VO = VCC or GND
5.5 V
±5
μA
ICC
VI = VCC or GND,
IO = 0
5.5 V
20
μA
Ioff
VI or VO = 0 to 5.5 V
0
5
μA
Ci
VI = VCC or GND
3.3 V
2.3
pF
switching characteristics over recommended operating free-air temperature range,
VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV244A
SN74LV244A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A
Y
7.5*
12.5*
1*
15*
1
15
ten
OE
Y
CL = 15 pF
8.9*
14.6*
1*
17*
1
17
ns
tdis
OE
Y
L
p
9.1*
14.1*
1*
16*
1
16
tpd
A
Y
9.5
15.3
1
18
1
18
ten
OE
Y
C
50 pF
10.8
17.8
1
21
1
21
ns
tdis
OE
Y
CL = 50 pF
13.4
19.2
1
21
1
21
ns
tsk(o)
2
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV244A
SN74LV244A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A
Y
5.4*
8.4*
1*
10*
1
10
ten
OE
Y
CL = 15 pF
6.3*
10.6*
1*
12.5*
1
12.5
ns
tdis
OE
Y
L
p
7.6*
11.7*
1*
13*
1
13
tpd
A
Y
6.8
11.9
1
13.5
1
13.5
ten
OE
Y
C
50 pF
7.8
14.1
1
16
1
16
ns
tdis
OE
Y
CL = 50 pF
11
16
1
18
1
18
ns
tsk(o)
1.5
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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參數(shù)描述
SN74LV244APWTE4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs 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
SN74LV244APWTG4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer Driver 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
SN74LV244ARGYR 功能描述:緩沖器和線路驅(qū)動(dòng)器 Tri-State Octal 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
SN74LV244ARGYRG4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer Driver 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
SN74LV244ATDBR 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs 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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